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315 verified Doctors in Diamond Bar, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
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Availability last updated 09/29/2026
Availability last updated 09/29/2026
Primary Care Doctor
4.87
·23 reviews
Dr Shah is great. Very knowledgeable and great professionalism. Will recommend him to others. - Jan 18, 2022 by Janet J.Click to read more
1 mi · 23341 Golden Spgs Dr, Ste 210, Diamond Bar, CA 91765
Accepts Aetna, Medicare + 1 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in underactive thyroid + 4 more ·
Read bio
Dr. Hitendra Shah is a highly trusted primary care doctor. He practices at Wellness Medical Clinic in Diamond Bar, CA, where he welcomes people of all ages. As part of his formal education, Dr. Shah earned a medical degree from Dr. Vaishampayan Memorial Medical College. People trust his expertise b...Click to read more
Next available: tomorrow
Primary Care Doctor
0.5 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · Expertise in lower back pain + 4 more ·
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Dr. Patrick Bachoura is a family medicine physician with St. Jude Heritage Medical Group. He attended medical school at St. George's University and completed his internship at PIH Health. His clinical interists include mental health including anxiety and depression, diabetes, cholesterol, geriatrics...Click to read more
Next available: Wed, Oct 14
Primary Care Doctor
4.91
·77 reviews
staff was nice, welcoming. Dr was thorough and made sure I understood everything. - Jul 27, 2022 by Ian R.Click to read more
0.5 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 3 more ·
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Dr. Eric Lee is a family physician and primary care doctor. He is a part of St. Jude - Family Medicine in Diamond Bar, CA. He treats a range of common illnesses and also offers consultations and check-ups as part of his services. Dr. Lee earned his medical degree from A. T. Still University. He co...Click to read more
Next available: Tue, Oct 27
Primary Care Doctor
4.94
·52 reviews
Dr. Lin not only listened but had my chart available and it seems like to was better versed in my medical history than I was. Which made me feel confident in his recommendations. He was super nice and made virtual visits feel comfortable! - Oct 10, 2022 by Sarilyn Y.Click to read more
0.5 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in lower back pain + 5 more ·
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I am committed to providing comprehensive health care for you and your family, working to achieve optimal health through a healthy lifestyle and disease prevention. I believe in caring for you when you are both sick and well. I earned my Doctor of Osteopathic Medicine degree from Rowan University an...Click to read more
Next available: Fri, Oct 23
Primary Care Doctor
4.67
·30 reviews
Friendly and efficient experience. Staff was very helpful with forms. I will be back my next appointment. - Aug 23, 2026 by Robert G.Click to read more
8 mi · 1651 N. Hacienda Blvd, La Puente, CA 91744
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Expertise in acute stomach inflammation/infection + 9 more ·
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Please confirm your insurance deductible status prior to booking your appointment, as this effect your co-pay-co-insurance at time of service! Dr. Sreedhar Chava is a highly regarded family physician who sees patients at his private practice in La Puente and El Monte, CA. He offers both in-person ...Click to read more
Next available: today
Primary Care Doctor
4.80
·243 reviews
The doctor was attentive to my needs and helpful. If you’re in the area and need a doctor. Dr. Fekri is worth visiting! - Jan 31, 2025 by Marwan S.Click to read more
8 mi · 222 N Sunset Ave, Ste. F, West Covina, CA 91790
Accepts Aetna, BlueCross BlueShield, Cigna + 45 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Medical, STRAIGHT MEDICAL ONLY! NO HMO MEDICAL! No Caloptima No Alameda Alliance No Care First No LA Care Health Plan No Kaiser Permanente No Inland Empire Education and Training: Doctor of Medicine, Shiraz University of Medical Sciences School of Medicine Residency in Internal ...Click to read more
Next available: today
Primary Care Doctor
4.81
·357 reviews
First visit, friendly staff. The Dr listened to my concerns & offered solutions. by RPClick to read more
9.5 mi · 99 N San Antonio Ave, Ste 210, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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***We DO NOT accept HMO plans or out-of-state insurance plans. You will be charged cash for those appointments. We do not prescribe controlled substances. All pre-visit information must be filled out in a timely manner before your appointment, or you will be subject to cancellation. Please review...Click to read more
Next available: today
Primary Care Doctor
4.90
·39 reviews
Detail oriented, great care, helpful staff and doctor. by BPClick to read more
12 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Next available: today
Primary Care Doctor
4.82
·251 reviews
Great, knowledgeable and caring Doctor! Kindly accommodated my emergency appointment , and provided good advice and care. - Sep 23, 2022 by Elina W.Click to read more
6 mi · 250 W Bonita Ave, #150, Pomona, CA 91767
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time ·
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NOW OFFERING LASER AESTHETIC TREATMENTS INCLUDING SKIN TAG REMOVAL, LASER HAIR REMOVAL, FACELIFT, SMOOTHEYE, LIPLASE. Dr. Lubna Isho is a board certified highly experienced Family Practice Physician. Through Compassion, meticulous attention to detail, and an atmosphere where patients can speak free...Click to read more
Next available: Tue, Oct 27
Primary Care Doctor
5.00
·31 reviews
Very nice and professional staff! Everyone was so helpful making sure I got everything I needed. Absolutely the best! ZERO wait time! Doctor came to check in on me within five minutes of being sat. - Aug 27, 2025 by Dasom K.Click to read more
9.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. Samuel Yang is a board-certified family physician with Providence St. Jude Heritage Medical Group. He completed medical school at Touro College of Osteopathic Medicine before finishing residency and internship at Loma Linda University Medical Center. His clinical areas of interest include everyt...Click to read more
Next available: Mon, Oct 5
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
6 mi · 250 W Bonita Ave, Ste 250, Pomona, CA 91767
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Expertise in acid reflux + 5 more ·
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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: tomorrow
Primary Care Doctor (Virtual)
5.00
·3 reviews
Dr. Zhou is a wonderful doctor. He recently treated me for an ear infection, and I was so impressed by his kind and compassionate approach. He truly takes his time with his patients and works beautifully with families and healthcare teams to provide top-notch care. I cannot recommend him highly enou...Click to read more
Upland, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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**Please be advised this practice is not in network with insurances.** Initial Visit: $150 I'm born and raised in SoCal. I believe in honoring patient preferences and giving them control of their own care. Before medicine, I worked at Amazon. What stuck with me was how seriously they took speed and...Click to read more
Next available: Wed, Oct 7
Primary Care Doctor
5.00
·33 reviews
9 mi · 4300 Rose Dr, 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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Dr. Brian Lai is a board-certified Family Medicine physician who is born and raised in Southern California. He completed medical school at Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in Pomona. After medical school, he completed his Family Medicine residency...Click to read more
Next available: Mon, Oct 19
Primary Care Doctor
5.00
·1 review
9 mi · 4300 Rose Dr, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 11 more
Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. John Shin is a board-certified Family Medicine physician with a comprehensive approach to patient care. He completed medical school at California Northstate University College of Medicine and finished his residency at Kaiser Permanente Orange County, where he received extensive training in both ...Click to read more
Next available: Tue, Oct 20
Naturopathic Doctor
5.00
·2 reviews
Very warm and attentive service. Pleasure to be both seen and heard at a medical visit, by a doctor who is willing to work with me to get to the root of the issue. by LKClick to read more
5.5 mi · 13768 Roswell Ave, Ste 219, Chino, CA 91710
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
**Please note we are a self-pay practice initial visits are $330 for 60–90 minutes. We provide super bills for our patients to apply to their insurance policies. Dr. Zaghi is a passionate and dedicated Naturopathic Doctor who believes deeply in the power of personalized, patient-centered care. She...Click to read more
Next available: Thu, Oct 1
Primary Care Doctor
9 mi · 4300 Rose Dr, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients ·
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Dr. Kevin Hua is a family medicine physician practicing in Yorba Linda, CA.Click to read more
Next available: Thu, Oct 29
Primary Care Doctor
5.00
·33 reviews
9 mi · 4300 Rose Dr, Ste Q, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in atrial fibrillation and atrial flutter + 9 more ·
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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 single most important thing I can do to keep your children and your community safe. I earned ...Click to read more
Next available: Fri, Oct 30
Primary Care Doctor
4.73
·11 reviews
Dr. Octaviano Roges was excellent. He was kind, compassionate, and took the time to truly listen to my concerns. He made me feel comfortable from the beginning of the visit, explained everything clearly, and developed a thoughtful treatment plan tailored to my situation. I never felt rushed, and ...Click to read more
14.5 mi · 1211 W La Palma Ave, Ste 408, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in coronary artery disease + 9 more ·
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Dr. Rogés completed his Family Medicine residency at the University of California, San Diego in 2009 and is board certified in Family Practice. His work has been published in the "Expert Opinion" journal and he has been a reviewer for the prestigious "The Lancet". Dr. Rogés is passionate about the t...Click to read more
Next available: tomorrow
Primary Care Doctor
4.93
·69 reviews
Great experience and very comfortable communication with staff and doctor. - Mar 23, 2024 by Anthony D.Click to read more
10.5 mi · 1201 W Whittier Blvd, La Habra, CA 90631
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 4 more ·
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My goal is to provide compassionate, comprehensive care by treating patients with evidence-based medicine. I am dedicated to ensuring that my patients maintain good health while addressing their preventive healthcare needs and managing active and chronic diseases across all ages. I earned my Doctor ...Click to read more
Next available: Wed, Oct 21
Primary Care Doctor
4.81
·21 reviews
Today was my first appointment and I've already begun recommending this office to my friends. I am 26 and just came off my parents insurance. Now I am having my first major health issue but I don't go to the doctor enough to justify paying for health insurance and thousands in deductibles. This doct...Click to read more
12 mi · 1440 N Harbor Blvd, Ste 110, Fullerton, CA 92835
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*Please note: This is a cash-based monthly membership primary care practice. We do not accept any insurances. Marisse Herrera, DO, is a board-certified family medicine physician in Fullerton, California. She leads the medical team at Upper Echelon Medical, a practice dedicated to holistic wellness...Click to read more
Next available: Tue, Oct 6
Primary Care Doctor
4.80
·137 reviews
Highly recommended, staff is very approachable & professional. Great doctor. by PGClick to read more
11 mi · 1042 San Bernardino Rd, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 32 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in diabetic emergency + 9 more ·
Read bio
Serving members of the Pomona, Upland, and San Antonio communities, Dr. Azhar Majeed provides quality internal care with attention to detail, compassion, and a gifted support staff. He uses only the most up-to-date equipment to ensure accurate diagnoses and safe treatment plans. Dr. Majeed offers a...Click to read more
Next available: Thu, Oct 15
Primary Care Doctor
5.00
·1 review
17.5 mi · 416 W Las Tunas Dr, Ste 102, San Gabriel, CA 91776
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
A primary care provider (PCP) like Usha Varma sees people with common medical problems. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections...Click to read more
Next available: today
Primary Care Doctor
5.00
·30 reviews
10.5 mi · 1201 W Whittier Blvd, La Habra, CA 90631
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended ·
Read bio
Minh Tran, MD is a board-certified internal medicine physician with St. Jude Heritage Medical Group practicing in La Habra, CA.Click to read more
Next available: Tue, Nov 3
Primary Care Doctor (Virtual)
4.67
·30 reviews
Vien by PCClick to read more
El Monte, CA
Accepting new patients · Offers video visits · Expertise in acute stomach inflammation/infection + 9 more ·
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Self Pay/Out of Pocket Rate (no insurance): $80 for initial consultation, rates and costs vary after that depending on treatment plan Dr. Sreedhar Chava is a family physician at Sreedhar Chava MD in La Puente and El Monte, CA, where he sees patients in person and also offers virtual consultations. ...Click to read more
Next available: Sat, Oct 3
Family Physician
4.88
·1369 reviews
I came in prepared and he was very open and attentive. He will be my Primary and I’ll be happy to go back when needed - Sep 24, 2024 by Yolanda B.Click to read more
12 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
DISCLAIMER: Pyo Clinic is a learning facility but patient permission is ALWAYS sought before we include residents/students in their care. You can request that you are seen only by Dr Pyo without resident or student involvement as we fully respect your choice. Dr. Howard Pyo is a board-certified fam...Click to read more
Next available: today
Urgent Care Clinic
12 mi · 1440 North Harbor Blvd, Ste 110, Fullerton, CA 92835
Also offers video visits · Accepting new patients ·
Read bio
Upper Echelon Urgent Care is a cash only clinic, treating patients of every age, from infants to seniors. Coughs, colds, sore throats, UTIs, lacerations that need repair, abscesses that need to be drained: if it's urgent but not an emergency, we handle it. What makes us different is what you won't g...Click to read more
Next available: today
Primary Care Doctor
5.00
·6 reviews
Dr. Wadhwa is very patient, attentive and thorough. by AYClick to read more
14.5 mi · 1781 W Romneya Dr, Ste B, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Friday clinic appointments are now open and accepting new patients! Book today to reserve your visit. Dr. Wadhwa founded Westlight Medical Group on the belief that exceptional healthcare begins with a personal connection. A Board-Certified Family Medicine Physician and Anaheim Hills native, Dr. ...Click to read more
Next available: Fri, Oct 2
Primary Care Doctor
4.39
·46 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 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 ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. I love being able to help families through the joys and challenges of raising happy, healthy children. It's a remarkable thing to sign a teenager's health form for college and remember the first time you saw that...Click to read more
Next available: Thu, Oct 1
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: today
Pediatrician
5.00
·1 review
8 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alfonso is a board-certified pediatrician practicing for over 10 years in Orange and LA county. She received her medical degree at UC Davis School of Medicine and completed her residency training at CHOC Children’s hospital. Her favorite thing about being a pediatrician is, of course, the kids!...Click to read more
Next available: Wed, Oct 21
Primary Care Doctor
4.74
·96 reviews
Very friendly staff, clear communication & they listened very well to my concerns regarding my health - Aug 6, 2026 by Tessa L.Click to read more
17 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
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) Dr. Sadia Moinuddin, MD, FACP, DABOM, is a board-certified internal medicine physician who takes a compassionate, patient-cen...Click to read more
Next available: Fri, Oct 2
Primary Care Doctor
4.59
·93 reviews
Very friendly staff and listen to everything that I said and answered my questions about what I was going through. - Jan 23, 2025 by Javier J.Click to read more
17 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Excellent wait time ·
Read bio
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: Fri, Oct 2
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 ·
Read bio
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: Wed, Oct 14
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 ·
Read bio
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: Wed, Oct 14
Gastroenterologist
4.86
·84 reviews
I had a great experience with Dr. Paez and his receptionist, Urelly. They were so welcoming and made me feel very comfortable. Dr. Paez answered all of my questions and really took time with me. - Sep 13, 2024 by Stephanie S.Click to read more
10 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Marco A. Paez was born in Miami, Florida. He attended Miami-Dade College and Florida International University (FIU). He graduated with a competitive degree in Biological Sciences with a minor in Psychology. He then matriculated at Georgetown University School of Medicine in Washington, D.C. wher...Click to read more
Next available: Tue, Oct 20
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: Mon, Oct 26
Gastroenterologist
4.98
·122 reviews
Dr. Christina was incredibly kind and caring. I am so happy to be in her hands.Click to read more
10 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Christina Steinhauser is a former Chief of Medicine and Chief of Gastroenterology at Nellis Air Force Base, a current assistant professor at the Uniformed Services University of Health Sciences, and a former assistant professor at the University of Nevada, Las Vegas. She earned her Doctor of Ost...Click to read more
Next available: Thu, Oct 22
Primary Care Doctor
4.45
·42 reviews
Close to home , young was good explaining things - Oct 27, 2025 by Richard P.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: Wed, Oct 7
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 ·
Read bio
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: today
Calendar Check
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Average time it takes to be seen by a provider

Doctor
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Verified providers with a 4.8 average rating

Primary Care Physician
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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.


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

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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?

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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

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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