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315 verified Doctors in Diamond Bar, CA
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Availability last updated 09/09/2026
Availability last updated 09/09/2026
Urgent Care Clinic
4.94
·84 reviews
Great services… everyone was very efficient…Highly recommend - Sep 20, 2024 by blanca A.Click to read more
14 mi · 11806 Whittier Blvd, Whittier, CA 90601
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended ·
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Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Pediatrician
4.97
·32 reviews
9 mi · 4300 Rose Dr, Ste E, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time ·
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Please note that this provider only sees children and adolescents under the age of 18. There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the singl...Click to read more
Next available: Tue, Sep 15
Nurse Practitioner
9.5 mi · 955 W Imperial Hwy, Ste 200, Brea, CA 92821
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Also offers video visits · Accepting new patients ·
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Barbara received a Bachelor of Science degree in Nursing from the University of San Francisco in 1980 and her Nurse Practitioner Education and Master of Science degree in Nursing from Cal State University, Long Beach in 1986. Barbara has been working as a CPNP-PC since 1986 and joined St Jude Herita...Click to read more
Next available: Tue, Sep 15
Primary Care Doctor
4.36
·44 reviews
Dr.Antoja very nice, good listener, I very happy , I have a doctor that cate about me. A 1o tor and the staff. - Jan 6, 2026 by Jaime C.Click to read more
17.5 mi · 815 Washington Blvd, Montebello, CA 90640
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · 25+ years of experience · Expertise in diabetic emergency + 2 more ·
Read bio
Dr. Ana Pantoja is of Mexican descent and grew up in East LA, surrounded by a primarily Mexican American community. She is both bilingual and bicultural. Dr. Pantoja went to medical school at Creighton University School of Medicine in Omaha, NE and completed her Family Practice Residency at the Univ...Click to read more
Pediatrician
5.00
·31 reviews
9 mi · 4300 Rose Dr, Ste B, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Please note that this provider only sees children and adolescents under the age of 18. As a father of two adventurous and energetic boys, I understand the journey of parenthood, which often feels like a roller-coaster ride. When children are doing well and healthy, there is no greater joy and rew...Click to read more
Next available: Thu, Sep 24
Family Nurse Practitioner
4.78
·18 reviews
Angela was a great communicator and followed up when necessary after the appointment to confirm that I had my questions answered. The office did have me wait about 45-55 minutes after I arrived a bit late. I inputted the wrong address and called ahead that I’d be about 15 minutes late. The front d...Click to read more
13 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
Accepts Aetna, BlueCross BlueShield, Cigna + 18 more
Accepting new patients · Highly recommended · Expertise in high cholesterol ·
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Angela Huusfeldt is a Family Medicine Nurse Practitioner dedicated to providing compassionate, patient-centered care for individuals and families across all stages of life. She earned her nursing degree from San Diego State University and began her career in the Neonatal Intensive Care Unit at CHOC ...Click to read more
Next available: tomorrow
Physician Assistant
4.04
·27 reviews
I requested a female doctor. When I showed up to the appointment I mentioned that I had an appointment with a female doctor and they told me there was only a male there that day. I said I wished to reschedule since I booked a female and they only had a male and they said they'd have to charge me for...Click to read more
12 mi · 1321 N Hbr Blvd, Ste 205, Fullerton, CA 92835
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients · Excellent wait time ·
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Ms. Hesper Tsai is a physician assistant practicing at Horizon Dermatology & Primary Care Medical Clinic in Torrance and Newport Beach, CA. She welcomes patients dealing with acne, rash, eczema, anxiety, hyperactivity disorder, and other common illnesses. Ms. Tsai maintains a friendly and non-judgm...Click to read more
Primary Care Doctor (Virtual)
4.59
·92 reviews
Dr. Ortiz was the BEST! She quickly understood my needs. I'm 74 and she was the best Doctor I have had in years. I finally have a primary care physician that not only cares, but I really like. The staff, Leo and Kimberly were outstanding. Thank you Copa de Oro clinic. I am so happy. - Sep 9, 2024 by...Click to read more
Norwalk, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Excellent wait time ·
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PLEASE CONFIRM YOUR APPOINTMENT WITHIN 24 HOURS OF YOUR BOOKING VIA TEXT OR CALL. (Your appointment might be canceled if not confirmed 24 hours before your appointment time) Please confirm your appointment within 24 hours via text or call. I earned my Doctor of Medicine from Ross University School ...Click to read more
Next available: Mon, Sep 21
Nurse Practitioner (Virtual)
1.00
·1 review
Rancho Cucamonga, CA
Accepting new patients · Offers video visits ·
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Ms. Martena Israil is a skilled, friendly, and caring nurse practitioner. She currently offers her services at Rancho Weight Loss in Rancho Cucamonga, CA, and takes virtual appointments. As part of her formal education and training, Ms. Israil earned her master's degree in family health nursing fr...Click to read more
Next available: Fri, Sep 11
Primary Care Doctor
4.85
·488 reviews
He listened to your medical problems and explained / discussed plan of care/treatment . Soft spoken and very professional. by ANACLETA C.Click to read more
23 mi · 11100 Warner Ave, Ste 110, Fountain Valley, CA 92708
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in sepsis + 3 more ·
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Dr. Wasim Raja is a skilled and experienced internist. He currently runs his own practice, based in Fountain Valley, CA, and holds licenses to practice in Texas, Nebraska, and Colorado. Fluency in English, Urdu, and Punjabi has made him accessible to various culturally diverse communities. Dr. Raj...Click to read more
Next available: today
Physician Assistant (Virtual)
5.00
·10 reviews
Upland, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Hilda Mancilla, PA-C, is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland. A lifelong Inland Empire resident, she earned her undergraduate degree from Cal State San Bernardino and her medical training from Western University of Health Sciences in Pomona. With 24 year...Click to read more
Next available: Thu, Sep 17
Physician Assistant
5.00
·10 reviews
11.5 mi · 525 N 13th Ave, Ste A, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Hilda Mancilla, PA-C, is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland. A lifelong Inland Empire resident, she earned her undergraduate degree from Cal State San Bernardino and her medical training from Western University of Health Sciences in Pomona. With 24 year...Click to read more
Next available: Thu, Sep 17
Urgent Care Clinic
4.79
·102 reviews
They need a primary doctor at the office. - Jan 24, 2023 by Jose S.Click to read more
16.5 mi · 7831 Monticello Ave, Ste 1102, Rancho Cucamonga, CA 91739
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Highly recommended · Excellent wait time ·
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Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Family Nurse Practitioner
4.82
·28 reviews
Heidi Larson was the most thorough physician I’ve seen. I felt we were on the same level. She took so much time with me. I truly recommend her. - Jun 18, 2026 by Shawn O.Click to read more
11.5 mi · 525 N 13th Ave, Ste A, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Heidi Larson, FNP-C is a board-certified family nurse practitioner with over 25 years of experience in medicine. She has been caring for patients at Rancho Wellness in Rancho Cucamonga for the past ten years. Originally from Huntington Beach, Heidi completed her undergraduate studies at Westmont Col...Click to read more
Next available: Mon, Sep 21
Family Nurse Practitioner (Virtual)
4.82
·28 reviews
Heidi Larson was the most thorough physician I’ve seen. I felt we were on the same level. She took so much time with me. I truly recommend her. - Jun 18, 2026 by Shawn O.Click to read more
Upland, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Heidi Larson, FNP-C is a board-certified family nurse practitioner with over 25 years of experience in medicine. She has been caring for patients at Rancho Wellness in Rancho Cucamonga for the past ten years. Originally from Huntington Beach, Heidi completed her undergraduate studies at Westmont Col...Click to read more
Next available: Mon, Sep 21
Primary Care Doctor
4.45
·42 reviews
This was my first time visiting this clinic, and I had a very positive experience. The staff were all very friendly and welcoming. The doctor’s assistant was especially kind and helpful. She answered all of my questions and even assisted me with filling out my paperwork. As for my doctor, Dr. Cru...Click to read more
17.5 mi · 815 Washington Blvd, Montebello, CA 90640
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Excellent wait time
Next available: Thu, Sep 24
Primary Care Doctor
5.00
·4 reviews
17.5 mi · 845 W La Veta Ave, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended ·
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Dr. Jeremy Feck is board certified in Family Medicine. He completed medical school at Lake Erie College of Osteopathic Medicine before finishing his residency at Mercy Medical Center in Redding California. Dr. Feck’s areas of expertise and clinical areas of interest include care for patient’s of all...Click to read more
Next available: Fri, Oct 2
Primary Care Doctor
19.5 mi · 1095 Irvine Blvd, Tustin, CA 92780
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients ·
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Dr. Sanae Ogura is board-certified family medicine physician with expertise in preventive care and integrative medicine. She completed medical school at St. George’s Univeristy School of Medicine and residency at Arrowhead Regional Medical Center. She is passionate about building long-term, trusting...Click to read more
Next available: Mon, Sep 14
Family Nurse Practitioner
5.00
·15 reviews
Great experience, thorough exam, answered all my questions and ordered bloodwork right away. Very happy to find new PCP. - Aug 31, 2026Click to read more
17.5 mi · 416 W Las Tunas Dr, Ste 102, San Gabriel, CA 91776
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. Shary Joseph is a skilled adult nurse practitioner from San Gabriel, CA. She practices at the Community Clinic, Dr. Usha Varma. This practice is also perfect for patients who are looking for female providers. She speaks English, Spanish, Arabic, and Hindi. Dr. Joseph completed her doctoral deg...Click to read more
Next available: today
Primary Care Doctor
4.88
·16 reviews
17.5 mi · 845 W La Veta Ave, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended ·
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Dr. Vincent Pan is a board certified Family Medicine physician. An Orange County native, he completed medical school at Touro Nevada College of Osteopathic Medicine before finishing his residency at Loma Linda University Health. He has clinical experience in FQHC, private practice, preventative heal...Click to read more
Next available: Tue, Oct 13
Primary Care Doctor
4.29
·38 reviews
I recently had a consultation for hormonal therapy with Dr. Jessica G Haugen, and I could not be more impressed with the entire experience. My appointment with Dr. Jessica G Haugen was the highlight. She took ample time to listen to my concerns and goals without ever making me feel rushed. She ex...Click to read more
17.5 mi · 815 Washington Blvd, Montebello, CA 90640
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Excellent wait time ·
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Dr. Jessica Gonzalez Haugen was born in Montebello, California. She previously worked as a medical assistant at the Family Care Specialists Montebello office, where she grew to enjoy taking care of families and became motivated to serve this community after the completion of her medical training. Dr...Click to read more
Next available: Tue, Oct 6
Urgent Care Clinic
4.77
·77 reviews
Very efficient and caring service. - May 29, 2024 by Caroline B.Click to read more
18 mi · 13299 South St, Cerritos, CA 90703
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to make high-quality, inclusive, and personal healthcare accessible to all. Our convenient urgent care locations treat a full spectrum of health needs, including cold, COVID and flu symptoms, urinary tract infections, sinus infections, abdomi...Click to read more
Next available: today
Primary Care Doctor
17.5 mi · 845 W La Veta Ave, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Expertise in chronic high blood pressure + 1 more ·
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Dr. Jenny Wang is a boardcertified family medicine physician who has been in practice at community health centers dedicated to helping underserved populations and promoting health equity. She has relocated to Orange County in 2022 and looks forward to continue to care for a diverse patient populatio...Click to read more
Next available: Mon, Oct 19
Primary Care Doctor
19.5 mi · 2212 E. 4th St, Ste 202, Santa Ana, CA 92705
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients
Next available: Wed, Sep 16
Family Physician
4.64
·119 reviews
Punctual, friendly and helpful! Presented with a variety of options going forward and out in less than 1 hour. Excellent! - Nov 2, 2018 by Cameron J.Click to read more
13 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
Accepts Aetna, BlueCross BlueShield, Cigna + 2 more
Accepting new patients · Excellent wait time · Expertise in chronic diabetes + 4 more ·
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Dr. Henry Cheng is a board-certified family medicine physician. He received his medical degree from the American University of the Caribbean School of Medicine and completed his family medicine residency at Mercy Medical Center in Redding, California. Outside of his practice, Dr. Cheng enjoys mount...Click to read more
Next available: Tue, Sep 15
Primary Care Doctor
4.97
·96 reviews
by VPClick to read more
18.5 mi · 1535 17th St, Suite 104, Santa Ana, CA 92705
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · 15 years of experience · Highly recommended · Excellent wait time · Expertise in joint or tendon inflammation of the finger/wrist/hand + 7 more ·
Read bio
*Our Clinic* Introducing a brand-new clinic, designed to offer a small-town doctor's office experience right in the heart of OC. Our independent practice is owned and operated by the attentive physician who will be personally caring for you. Convenience is key, with ample parking space, a first-flo...Click to read more
Next available: Tue, Sep 29
Gastroenterologist
3.33
·3 reviews
I went in for bloody diarrhea and the lovely PA who spoke with me recommended a colonoscopy, stool sample and blood test which I thought was a great idea. The doctor came in and said no to all of that even though I have a family history of colon cancer where members of my family died young. This is ...Click to read more
15 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Expertise in acid reflux + 5 more ·
Read bio
Hussein Abidali, DO, is a board-certified gastroenterologist at Platinum Digestive Health in Rancho Cucamonga, California. With a wealth of credentials and extensive training, Dr. Abidali is dedicated to providing comprehensive and advanced care in gastroenterology. Dr. Abidali holds certifications...Click to read more
Next available: Fri, Sep 11
Primary Care Doctor
4.88
·59 reviews
Very impressed with the concern and attention given to by the doctor - Mar 4, 2026 by Richard H.Click to read more
24.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 16 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in diabetic emergency + 2 more ·
Read bio
Believing that prevention is the best medicine, Dr. Villegas makes health education a top priority for his practice. A San Gabriel Valley native who maintains strong ties with his home area, Dr. Villegas received his medical degree from the University of California-Davis and completed his residency ...Click to read more
Next available: today
Primary Care Doctor
18.5 mi · 12942 Harbor Blvd, Garden Grove, CA 92840
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients ·
Read bio
Dr. Chau is a board-certified family medicine physician who provides comprehensive care for patients of all ages. She understands the importance of good communication between the doctor and patient to provide the best care for her patients.Click to read more
Next available: Tue, Oct 13
Urgent Care Clinic
4.82
·71 reviews
Everyone there was very friendly and I was seen right away, would definitely recommend!Click to read more
19.5 mi · 10165 Valley View St, Cypress, CA 90630
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Family Nurse Practitioner
4.91
·11 reviews
NP Sam was so kind! I felt so judgement and felt she was very personable and a great communicator! by HBClick to read more
17 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Samantha Savage is a highly skilled family nurse practitioner from Norwalk, CA. She serves patients at Copa De Oro Medical Group. Ms. Savage earned her master's degree in nursing from the University of San Diego. She takes a practical and collaborative approach, working closely with each indivi...Click to read more
Next available: today
Primary Care Doctor (Virtual)
4.67
·349 reviews
Nice office, friendly staff. Dr Nazarian made a great impression. Professional and confident with a contemporary sensibility. - Dec 1, 2023 by Jeffrey S.Click to read more
GLENDALE, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 23 years of experience · Offers video visits · Excellent wait time · Expertise in chronic diabetes + 7 more ·
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Dr. Nazarian was raised in Glendale and after high school attended University of Southern California and received a degree in Exercise physiology and minor in Biology. He then attended medical school at St. George’s University. Dr. Nazarian did 3rd year of medical school in New York and finished in ...Click to read more
Next available: today
Primary Care Doctor
4.67
·349 reviews
Nice office, friendly staff. Dr Nazarian made a great impression. Professional and confident with a contemporary sensibility. - Dec 1, 2023 by Jeffrey S.Click to read more
26 mi · 1818 Verdugo Blvd, #207, GLENDALE, CA 91208
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · 23 years of experience · Excellent wait time · Expertise in chronic diabetes + 7 more ·
Read bio
Dr. Nazarian was raised in Glendale and after high school attended University of Southern California and received a degree in Exercise physiology and minor in Biology. He then attended medical school at St. George’s University. Dr. Nazarian did 3rd year of medical school in New York and finished in ...Click to read more
Next available: today
Pediatrician
4.85
·33 reviews
It was great and kinda and she answered all my questions for me is very great.Click to read more
17.5 mi · 725 W La Veta Ave, Ste 240, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Marta Sarmiento is a dedicated and diligent pediatrician serving the community of Orange, CA. She earned her Doctor of Medicine degree from the University of California, Irvine. Dr. Sarmiento runs her own practice, where she provides care for annual physicals, preventative care and immunizati...Click to read more
Gastroenterologist
14.5 mi · 8300 Utica Ave, Ste 300, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients ·
Read bio
Maham Farshidpour, M.D., is a dual board-certified Gastroenterologist and Transplant Hepatologist practicing at Premier Gastroenterology Institute in Rancho Cucamonga, California. Dr. Farshidpour delivers highly specialized, compassionate care across the full spectrum of complex gastrointestinal and...Click to read more
Next available: Fri, Sep 18
Gastroenterologist (Virtual)
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits ·
Read bio
Maham Farshidpour, M.D., is a dual board-certified Gastroenterologist and Transplant Hepatologist practicing at Premier Gastroenterology Institute in Rancho Cucamonga, California. Dr. Farshidpour delivers highly specialized, compassionate care across the full spectrum of complex gastrointestinal and...Click to read more
Next available: Fri, Sep 18
Family Nurse Practitioner
4.62
·21 reviews
Excellent. The surrounding area is a bit dodgy, but the clinic and all its staff were lovely - Feb 2, 2026 by Solana G.Click to read more
17.5 mi · 815 Washington Blvd, Montebello, CA 90640
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Highly recommended · Expertise in high cholesterol + 1 more ·
Read bio
Ms. Shawn Shintaku is a family nurse practitioner. She serves patients at Altais in Montebello, CA. She earned her master's degree in family health nursing from Western University of Health Sciences. Ms. Shintaku provides primary care services, including preventive screenings, chronic disease manag...Click to read more
Next available: tomorrow
Physician Assistant (Gastroenterology)
15 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Thu, Sep 17
Primary Care Doctor
4.23
·163 reviews
The staff was great but I did see a different practitioner. - Mar 20, 2024 by Brooke T.Click to read more
24.5 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 56 more
Accepting new patients · 19 years of experience · Expertise in chronic high blood pressure + 8 more ·
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Dr. Ashouri proudly serves the City of Riverside and surrounding communities with a focus on prevention, women’s health, older adult health, and palliative care. She gives each patient the care and attention they need to find the right treatment for their unique condition. Dr. Ashouri devotes her ti...Click to read more
Next available: today
Urgent Care Clinic
4.68
·314 reviews
Great staff and clean office. Check in was fast and I was seen right away. Definitely recommend this place!! - Jan 10, 2024 by Wendy F.Click to read more
20.5 mi · 600 E Colorado Blvd, Ste 120, Pasadena, CA 91101
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Primary Care Doctor
4.83
·36 reviews
Friendly professional - Sep 5, 2025 by Antonio N.Click to read more
21 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. Karoline Wang is a board-certified Internal Medicine doctor. She graduated from the Medical College of Wisconsin and completed her internship and residency training in internal Medicine at the California Pacific Medical Center in San Francisco. Dr. Wang also has a Masters in Public Health (MHSC)...Click to read more
Next available: Fri, Oct 2
Primary Care Doctor
27 mi · 214 N Central Ave, Glendale, CA 91203
Accepts Medicare
Accepting new patients ·
Read bio
Dr. Zohrab Keshishian is a Primary Care Physician at Elevate Health Group and is proud to care for the community he grew up in. He is committed to building meaningful relationships with his patients and believes in a personalized, preventive approach to medicine that takes each individual's goals, l...Click to read more
Next available: today
Urgent Care Clinic
4.73
·75 reviews
Everyone was so professional and friendly, love it there. - May 31, 2026 by Kim A.Click to read more
21.5 mi · 3851 Katella Ave, Ste 100, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Primary Care Doctor
4.75
·20 reviews
I enjoyed being seen by Robert Tracy, he seems to care and wants to understand reason for visit. by STClick to read more
25.5 mi · 3056 Fletcher Dr, Los Angeles, CA 90065
Accepts Aetna, BlueCross BlueShield, Cigna + 11 more
Accepting new patients · Excellent wait time · Expertise in chronic high blood pressure + 3 more ·
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Dr. Tracy completed his medical school in Florida before moving to Los Angeles for his residency training at the USC Family Medicine program at California Hospital in downtown LA. He was honored to have been elected Chief Resident during his 3rd year by the faculty and fellow residents. In additio...Click to read more
Next available: today
Primary Care Doctor
5.00
·30 reviews
21 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended ·
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Dr. Billy Zhang is a board-certified Internist with an eclectic background, having trained in Philadelphia, Pennsylvania and working as a primary care provider in Brooklyn, New York. Dr. Zhang's area of interest is providing patient centered care, understanding the best way to team up and address bo...Click to read more
Next available: Tue, Oct 13
Pediatrician
4.94
·33 reviews
Doctor was very straightforward with what was going on with my daughter and when I should be concerned and when to bring her to the doctor or understand that she will be ok and recover at home. He was good with my daughter and made her feel comfortable. - Sep 15, 2022 by Ashley D.Click to read more
19.5 mi · 2212 E 4th St, Santa Ana, CA 92705
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 25+ years of experience · Highly recommended ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. Board-certified in pediatrics, Dr. Messinger earned his Doctor of Medicine from Philadelphia University and Thomas Jefferson University. He completed his residency at the University of California, Irvine. His p...Click to read more
Next available: tomorrow
Physician Assistant (Gastroenterology)
5.00
·7 reviews
15 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
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Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Mon, Oct 12
Family Nurse Practitioner
4.82
·28 reviews
Heidi Larson was the most thorough physician I’ve seen. I felt we were on the same level. She took so much time with me. I truly recommend her. - Jun 18, 2026 by Shawn O.Click to read more
16 mi · 8231 Rochester Ave, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Heidi Larson, FNP-C is a board-certified family nurse practitioner with over 25 years of experience in medicine. She has been caring for patients at Rancho Wellness in Rancho Cucamonga for the past ten years. Originally from Huntington Beach, Heidi completed her undergraduate studies at Westmont Col...Click to read more
Next available: Tue, Sep 22
Family Nurse Practitioner (Virtual)
4.82
·28 reviews
Heidi Larson was the most thorough physician I’ve seen. I felt we were on the same level. She took so much time with me. I truly recommend her. - Jun 18, 2026 by Shawn O.Click to read more
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Heidi Larson, FNP-C is a board-certified family nurse practitioner with over 25 years of experience in medicine. She has been caring for patients at Rancho Wellness in Rancho Cucamonga for the past ten years. Originally from Huntington Beach, Heidi completed her undergraduate studies at Westmont Col...Click to read more
Next available: Tue, Sep 22
Urgent Care Clinic
4.86
·84 reviews
Very clean facility, courteous and professional, Dr. was friendly and knowledgeable. - Sep 24, 2025 by Steven A.Click to read more
22 mi · 3955 Bedford Canyon Rd, Ste 103, Corona, CA 92883
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Highly recommended · Excellent wait time ·
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Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Physician Assistant
5.00
·30 reviews
16 mi · 8231 Rochester Ave, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Also offers video visits · Accepting new patients · Highly recommended ·
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Barbara Santa Cruz is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland, with over 44 years of experience in healthcare. A Southern California native, Barbara began her career in nursing before becoming a PA when the profession was still in its early days. Her backgro...Click to read more
Next available: Tue, Sep 29
Physician Assistant (Virtual)
5.00
·30 reviews
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Barbara Santa Cruz is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland, with over 44 years of experience in healthcare. A Southern California native, Barbara began her career in nursing before becoming a PA when the profession was still in its early days. Her backgro...Click to read more
Next available: Tue, Sep 29
Family Nurse Practitioner
19.5 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients ·
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Drew Philip, DNP, APRN, FNP-C, RNFA, is a doctorate-prepared family nurse practitioner with experience in weight management, hormone therapy, preventive care, chronic condition management, and telehealth. Drew earned a Doctor of Nursing Practice from the University of California, Irvine, and has an ...Click to read more
Next available: tomorrow
Family Nurse Practitioner (Virtual)
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits ·
Read bio
Drew Philip, DNP, APRN, FNP-C, RNFA, is a doctorate-prepared family nurse practitioner with experience in weight management, hormone therapy, preventive care, chronic condition management, and telehealth. Drew earned a Doctor of Nursing Practice from the University of California, Irvine, and has an ...Click to read more
Next available: tomorrow
Primary Care Doctor
4.55
·20 reviews
I am satisfied with the care I received and I recommend Dr. Khan. by MCClick to read more
26.5 mi · 275 Victoria St, Ste 1E, Costa Mesa, CA 92627
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience · Excellent wait timeExpertise in bronchitis + 9 more
Next available: tomorrow
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Primary Care Physician
15+ years

In the business of finding quality care for patients

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Frequently asked questions

How can I make a same-day appointment with a Primary Care Doctor in Diamond Bar?

On average, patients who use Zocdoc can search for a Primary Care Doctor in Diamond Bar, book an appointment, and see the Primary Care Doctor within 24 hours. Same-day appointments are often available, you can search for real-time availability of Doctors in Diamond Bar who accept your insurance and make an appointment online.


How can I find a Diamond Bar Primary Care Doctor who takes my insurance?

Zocdoc lets you search specifically for a Diamond Bar Primary Care Doctor who takes your insurance. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.


How can I book an appointment online with a Primary Care Doctor in Diamond Bar?

Zocdoc is a free online service that helps patients find Doctors in Diamond Bar and book appointments instantly. You can search for Diamond Bar Doctors by symptom or visit reason. Then, choose your insurance plan. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.


How can I find a female Primary Care Doctor in Diamond Bar?

When you search for Diamond Bar Doctors on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Doctors in Diamond Bar who match your preferences.


How can I find a Diamond Bar Primary Care Doctor who sees patients after hours?

On Zocdoc, you can search specifically for Diamond Bar Doctors with availability after 5 p.m.


How can I find a top-rated Primary Care Doctor in Diamond Bar?

You can use Zocdoc to find Doctors in Diamond Bar who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.


How can I find a video visit with a Primary Care Doctor online in Diamond Bar?

Doctors in Diamond Bar on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Doctors who offer video visits.


Are video visits with a Primary Care Doctor online covered by my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Doctors in Diamond Bar who accept your insurance for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.


How can I find a Primary Care Doctor in Diamond Bar who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Primary Care Doctor who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.


How can I find a Primary Care Doctor in Diamond Bar who sees patients during the weekend?

Zocdoc let's you see real-time availability for Doctors in Diamond Bar. Many Doctors offer appointments on Saturdays and Sundays.


Who is a primary care doctor?

The definition of 'healthy' has evolved with time. Being healthy means not only the absence of disease but the complete well-being of the body. A primary care doctor may help you in this endeavor by addressing your illnesses and helping you take a proactive step toward a healthy self.

These doctors manage a wide range of patient health concerns over time, having expertise in almost all everyday health issues. They are the first care providers patients contact in the healthcare system. Their line of treatment aims to prevent illness, treat disease, and restore the body's optimal health.


What do primary care doctors do?

A primary care doctor generally forms and maintains a long-term relationship with patients. Many people stick with their primary care doctors for years and develop a bond of trust. This connection helps the physician understand the patient's history and family background, which allows them to prescribe the best possible treatment.

Thus, a primary care doctor is more like a health manager to the patient and their family. They practice in clinics, long-term care facilities, hospitals, and private practices and are qualified to treat all healthcare aspects.

Even without sickness, you can visit a primary care doctor near you to better understand your health conditions and medication. You must schedule regular visits with your primary care doctor for annual or bi-annual health check-ups.


Educational qualification of a primary care doctor

Becoming a primary care doctor begins with receiving an undergraduate degree in pre-medical or other science courses from an accredited school. Subsequently, one needs to graduate from medical school with a degree in medicine to become a physician. 

A residency program with required rotations in emergency medicine, general surgery, pediatrics, obstetrics, and inpatient hospital care follows the graduation. The physician needs to take the American Board of Family Medicine or the American Osteopathic Board of Family Physicians exams to get certification in the respective physician category. They may also choose to subspecialize by opting for additional training.

The final step is to get a license in their state that allows the doctor to practice as a board-certified family doctor. This involves passing either the Comprehensive Osteopathic Medical Licensing Examination (COMLEX-USA) or the United States Medical Licensing Examination (USMLE). 


Types of primary care doctors

While they may choose to become experts in many subspecialties, typically, there are three broad types of primary care doctors:

  • Pediatricians: If your child needs medical attention or supervision, you must promptly contact your child's pediatrician, as they possess the expertise to offer efficient childcare.
  • Internists: An internist is qualified to diagnose and treat only adults. They specialize in identifying and treating adult conditions that do not need surgery.
  • Family physicians: These doctors are qualified to care for children and adults. They usually cater to an entire family's healthcare needs. Because they understand the family's medical history, they can predict potential genetic issues and offer preventive care. They can also treat day-to-day concerns like viral flu, common cold, bronchitis, and more significant problems such as high blood pressure, diabetes, and thyroid.


When to visit a primary care doctor near you?

Knowing when to contact your primary care doctor is essential for maintaining your health. They should be your first contact for non-emergency health questions or concerns, including persistent earache, unrelenting headaches, high fever, abdominal discomfort, mysterious rashes, or respiratory issues such as wheezing or a lasting cough.

Your primary care doctor serves a multifaceted role in your healthcare journey and can be consulted for health inquiries, annual check-ups, screenings, and vaccinations. When you feel unwell, they can conduct examinations, order tests, provide diagnoses, and prescribe medications.

For chronic conditions (e.g., diabetes, asthma, or hypertension), your primary care doctor can facilitate referrals to specialists and become a crucial part of your healthcare team. Even in accidents or injuries, your primary care physician is often the first person you can reach out to, as they can offer guidance and advice. They can help you achieve your maximum health potential, addressing various medical needs throughout your well-being journey.


What is the difference between primary care and emergency care?

As explained above, primary care doctors can address many healthcare concerns, typically non-emergency ones. More severe conditions generally require emergency care, which caters to critically ill patients or those requiring medical attention outside regular office hours. The severity of the medical condition will decide the setting one must visit.

Emergency care services typically encompass treatment for severe injuries like car accidents, fractures, and burns. One also requires emergency care for conditions such as chest pain, stroke-like symptoms, unconsciousness, breathing difficulties, severe bleeding, and dehydration due to persistent nausea, vomiting, or diarrhea. Patients should head to the emergency room when facing challenges like abrupt changes in mental status, a stiff neck accompanied by a fever, persistently elevated heart rate, ingestion of toxic substances, or head trauma that exceeds minor injuries. 

Recognizing the appropriate situations for the emergency room ensures that individuals receive timely and critical care when necessary.


Benefits of visiting a primary care doctor

Regular doctor appointments are essential for keeping good overall health. While many of us may be tempted to miss our check-ups, especially if we are feeling well, the truth is that there are multiple benefits to seeing a primary care doctor.

  • Your primary care doctor maintains your health by identifying problems early.

Preventive health care is essential, and your primary care doctor plays a vital role. During your annual health exam, your primary care doctor will conduct a thorough assessment from head to toe, update any necessary vaccines, and discuss any health concerns you may have. 

  • Your primary care doctor maintains your medical records.

Most of your medical information can now be saved in an electronic medical record available to your doctors. Your primary care doctor will review and update your medical record during your annual wellness exam or any other visit. Your record includes medical, surgical, and medication history, test results, current conditions, treatments, appointment notes, and more. Upon request, your doctor can share your electronic medical record with specialists or schools, and you can access your information through an online patient portal.

  • Primary care physicians manage acute injuries and diseases.

For symptoms of respiratory infections, UTIs, minor burns, abrasions, sprains, fractures, and more, your primary care doctor is your first point of contact unless you have a life-threatening emergency. They can prescribe medication and provide wound care, such as suturing, to help you recover quickly.

  • Your primary care doctor assists you in managing chronic health concerns.

Your primary care doctor creates a care plan to manage serious health issues such as allergies, asthma, diabetes, hypertension, etc. They will discuss the advantages and risks of therapies and medications, show you how to manage your condition daily, and encourage lifestyle changes to improve your overall health and well-being.

  • Primary care doctors refer and coordinate specialized treatment.

Your physician can refer you to the right specialist for specialized care, such as cancer treatment, cardiology, psychiatric treatment, or other needs beyond their scope. They often work closely with various specialists and can facilitate the transfer of your medical documentation, making the process more convenient for you.


Tips for a productive appointment with a primary care doctor

Booking that initial appointment with your new primary care doctor is an important first step—well done! Now, the key is to arrive on time (or even a few minutes early) and be fully prepared to make the most of your visit.

To help your appointment go smoothly and reduce stress on the day, take a little time beforehand to get organized. Start by jotting down your gondola, medical history, including details like surgery dates and locations.

If English isn't your first language, consider bringing along a bilingual friend or family member, or ensure your physician speaks your preferred language. This can make communication more transparent and the overall experience much more comfortable.

In fact, bringing a trusted companion—especially for older adults or individuals with memory concerns—is highly recommended. Whether it's a spouse, adult child, or close friend, having someone else in the room can help share important details, ask questions, or point out symptoms you might not have noticed, like dizziness or snoring.

Dr. Bhullar explains, "Family members often help make sure routine care is up to date and that medications are being taken properly. They can coordinate care in ways doctors sometimes can't."

On the day of your appointment, be sure to bring essentials like your insurance card, a photo ID, and any necessary documentation—especially if you're bringing a child and you're not the legal guardian (you'll need a signed consent form in that case).

If you take prescription medications, bring the original bottles or boxes with you. It's also helpful to bring recent lab or imaging results if you have them. These give your doctor more context and allow them to compare past and present data to better understand your health.

Lastly, manage your expectations for your first visit. If you have complex health issues or haven't seen a doctor in a while, your initial appointment may focus on reviewing your medical background rather than conducting a full physical. But if you're generally healthy, your doctor might be able to perform a complete check-up during that first meeting.

Building a strong relationship with a primary care doctor near you starts from day one. Being open, honest, and prepared sets the foundation for effective, long-term care that supports your overall well-being.


How can you find the best primary care doctor in Diamond Bar, California?

Your primary care doctor can be your long-term healthcare partner, so finding the best provider for you and your family is essential. With Zocdoc, you can easily find a qualified primary care doctor you can consult in the long run. To see the best primary care doctor, visit the Zocdoc website and enter your symptoms, insurance plan, preferred location, and date. You will then get a complete list of the top-rated primary care doctors near you.

You can further apply different filters to narrow your search based on the doctor's gender, hospital affiliations, languages spoken, and whether or not the doctor treats children. You can filter the list to find doctors who accept your insurance plan. If you wish to know what insurance plan you have, submit a photograph of your insurance card to your Zocdoc account, and we will discover and display information about it. For more insurance-related information and answers, visit Zocdoc's patient help center.

All practitioners listed on Zocdoc have a dedicated profile where you can find information about their educational qualifications, specialty, training, expertise, and board certifications, among other details. Moreover, you can also read the verified patient reviews to make an informed decision.

You can also book virtual consultation appointments with Zocdoc. Look for the purple video icon on the doctor's profile. 

Booking appointments on Zocdoc is fast, free, and secure. 


Health indicators in California

A press release from the Association of American Medical Colleges (AAMC) states that by 2034, there will be an estimated severe shortage of physicians in the U.S., with their numbers ranging from only 17,800 to 48,000. According to the Robert Graham Center, California had around 28,644 PCPs in 2018, of which about 10,363 doctors were family physicians.

According to a research report by the Healthforce Center, University of California San Francisco, the total number of M.D. physicians graduating from medical schools in California has increased by 14% in the last decade. Between 2015 and 2020, the number of M.D.s with an active license in California rose by 10%, from nearly 113,039 to 123,941 physicians.

According to Centers for Disease Control and Prevention, California's fertility rate is approximately 52.4, and the life expectancy after birth is around 79 years. However, the infant mortality rate is only 3.7. The cesarean delivery rate is about 30.8. The preterm birth rate is nearly 8.8, and the low birthweight rate is roughly 6.9.


Sources

WebMD

St. George's University 

Healthline

OSF Healthcare System 

California Health Care Foundation[1]

Healthforce Center at the University of California San Francisco

Centers for Disease Control and Prevention

Nemours KidsHealth

Intercoastal Medical Group

Robert Graham Center

Association of American Medical Colleges

Corewell Health


The content herein is provided for general informational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. Medical information changes constantly, and therefore the content on this website should not be assumed to be current, complete or exhaustive. Always seek the advice of your doctor before starting or changing treatment. If you think you may have a medical emergency, please call your doctor or 9-1-1 immediately.

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