Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Browse doctors
Browse practices
Browse hospitals
Browse insurances
Browse locations
Browse conditions
Browse procedures
Browse treatments
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 1,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
315 verified Doctors in Ontario, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 09/10/2026
Availability last updated 09/10/2026

Dr. Natalie Marino, MD

Primary Care Doctor
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
20 mi · 1321 N Hbr Blvd, Ste 205, Fullerton, CA 92835
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more

Dr. Katia Alfaro Felix, MD

Primary Care Doctor
4.43
·121 reviews
Office staff and RN were very nice and their follow up was great. - Oct 3, 2024 by Thomas C.Click to read more
20 mi · 1321 N Hbr Blvd, Ste 205, Fullerton, CA 92835
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients

Carbon Health Urgent Care - Placentia

Urgent Care Clinic
4.84
·77 reviews
Quick Efficient Contacted RX for my prescriptions right after my appointment - Feb 11, 2024Click to read more
17 mi · 858 N Rose Dr, Placentia, CA 92807
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · 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

Dr. Sreedhar Chava, MD

Primary Care Doctor (Virtual)
4.78
·27 reviews
Todo Excelente by NCClick to read more
El Monte, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits · Expertise in acute stomach inflammation/infection + 9 more ·
Read bio
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

Dr. Sreedhar Chava, MD

Primary Care Doctor
4.78
·27 reviews
Todo Excelente by NCClick to read more
22.5 mi · 3580 Santa Anita Ave, Ste A, El Monte, CA 91731
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Expertise in acute stomach inflammation/infection + 9 more ·
Read bio
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: tomorrow

Dr. Marisse Herrera, DO

Primary Care Doctor
4.80
·20 reviews
Great service - Dec 3, 2025 by Rafael S.Click to read more
20 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: Thu, Sep 17

Dr. Biren Shah, MD

Primary Care Doctor
5.00
·33 reviews
18 mi · 955 W Imperial Hwy, Ste 200, Brea, CA 92821
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 9 more ·
Read bio
Dr. Biren Shah is a family medicine doctor in Brea, California, affiliated with St. Jude Medical Center. He earned his Doctor of Medicine degree from the American University of the Caribbean School of Medicine. Dr. Shah completed both his internship and residency at the University of Kansas Medical ...Click to read more
Next available: Tue, Oct 20

Carbon Health Urgent Care - Corona

Urgent Care Clinic
4.86
·84 reviews
Short wait time, great bedside manner, friendly and knowledgeable staff, - Feb 6, 2026 by Jennifer F.Click to read more
18.5 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 ·
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

Tracy Bronson

Family Nurse Practitioner
4.29
·31 reviews
The beginning was not great but Ms Tracey was great - Apr 9, 2025 by Roshaun A.Click to read more
16.5 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 56 more
Accepting new patientsExpertise in chronic diabetes + 3 more

Vanessa Constantino, NP

Nurse Practitioner
3.43
·7 reviews
Unable to pick up prescriptions because the orders were improperly order and the dosage was too high. Pharmacy would not fill prescriptions because dosage went against proper guidelines. - Apr 10, 2026 by Nicholas S.Click to read more
16.5 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 56 more
Accepting new patients
Next available: tomorrow

Dr. Mohammad Nabulsi, MD

Primary Care Doctor
4.93
·69 reviews
Overall, once you arrived , the staff treated you with the upmost respect . The whole visit was outstanding! The doctor listen and helped explain every part of the visit. I would highly recommend making a appointment with this Facility! Awesome, Awesome,Awesome!!! - Aug 31, 2022 by John N.Click to read more
19.5 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 ·
Read bio
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 7

Dr. Octaviano Roges, MD

Primary Care Doctor
4.67
·9 reviews
Great listener and very kind but more than anything very professional - Jul 28, 2026Click to read more
22 mi · 1211 W La Palma Ave, Ste 408, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Expertise in coronary artery disease + 9 more ·
Read bio
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: Mon, Sep 14

Dr. Henry Cheng, MD

Family Physician
4.64
·119 reviews
Dr Cheng was very attentive, courteous and prompt. Would reccommend. by ARClick to read more
17 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 ·
Read bio
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: Wed, Sep 16

Upper Echelon Urgent Care Fullerton

Urgent Care Clinic
20 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

Carbon Health Urgent Care - La Habra

Urgent Care Clinic
4.91
·65 reviews
The staff was friendly and prompt. I got a last minute appointment on a Sunday evening and was seen right away. - Jun 10, 2024 by KATRINA G.Click to read more
20.5 mi · 1040 W Imperial Hwy, La Habra, CA 90631
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

Dr. Divneet Wadhwa, MD

Primary Care Doctor
5.00
·3 reviews
Dr. Wadhwa is an amazing doctor. Very informative and helpful. by ASClick to read more
22.5 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, Sep 18

Dr. Jon Kramer, MD

Pediatrician
5.00
·31 reviews
16 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: Fri, Sep 18

Angela Huusfeldt, APRN, RN, NP

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
17 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 ·
Read bio
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: Mon, Sep 14

Dr. Vincent Pan, DO

Primary Care Doctor
4.88
·16 reviews
23 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 ·
Read bio
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: Thu, Sep 17

Dr. David Joung, MD

Pediatrician
5.00
·31 reviews
16 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: Thu, Sep 24

Dr. Sanae Ogura, MD

Primary Care Doctor
23.5 mi · 1095 Irvine Blvd, Tustin, CA 92780
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients ·
Read bio
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: Tue, Sep 15

Dr. Jacqueline Sun, DO

Pediatrician
5.00
·38 reviews
16 mi · 4300 Rose Dr, Ste D, 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. Dr. Jacqueline Sun is a compassionate pediatrician practicing at St. Jude - Peds in Yorba Linda, CA. Her expertise includes asthma, allergies, urinary tract infection, obesity, and atopic dermatitis. She also foc...Click to read more
Next available: Fri, Oct 2

Dr. Larissa Isterabadi, MD

Pediatrician
4.97
·32 reviews
16 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: Mon, Oct 12

Dr. Matthew Im, MD

Primary Care Doctor
4.38
·16 reviews
First visit went extremely well I will definitely be back. - Jul 7, 2026 by Michael L.Click to read more
25 mi · 24119 Hemlock Ave, Ste 104, Moreno Valley, CA 92557
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Also offers video visits · Accepting new patients · Excellent wait time ·
Read bio
Dr. Matthew Im is a family physician at Rancho Family Medical Group’s Moreno Valley office. He grew up in Temecula and was inspired to pursue medicine by his father, Dr. Tae Im, who has long been part of Rancho Family. Early experiences on medical mission trips to Haiti and the Philippines further s...Click to read more
Next available: Mon, Sep 14

Barbara Niklas, NP

Nurse Practitioner
18 mi · 955 W Imperial Hwy, Ste 200, Brea, CA 92821
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Also offers video visits · Accepting new patients ·
Read bio
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

Dr. Billy Zhang, MD

Primary Care Doctor
5.00
·30 reviews
24.5 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 ·
Read bio
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, Sep 15

Hesper Tsai, PA

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
20 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 ·
Read bio
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

Dr. Jeremy Joseph Feck, DO

Primary Care Doctor
5.00
·4 reviews
23 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 ·
Read bio
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: Mon, Oct 5

Upper Echelon Urgent Care Fullerton

Urgent Care Clinic (Virtual)
Fullerton, CA
Accepting new patients · Offers video visits ·
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: Sat, Sep 12

Dr. Michael Truong, MD

Primary Care Doctor
4.97
·96 reviews
Friendly and accommodating. Doctor was so concerned about my health - Mar 19, 2025 by Reynaldo D.Click to read more
24 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

Dr. Jenny Wang, DO

Primary Care Doctor
23 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 ·
Read bio
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: Tue, Oct 20

Dr. Crystal Fame, DO

Primary Care Doctor
4.56
·9 reviews
My appointment was great. I was greeted by a friendly staff office that checks me in right away and seen by my provider right away . - Aug 20, 2025 by Beatriz H.Click to read more
24 mi · 2212 E 4th St, Santa Ana, CA 92705
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. Crystal Fame is a Family Medicine physician practicing in Orange County, CA.Click to read more
Next available: Thu, Oct 1

Carbon Health Urgent Care - Whittier

Urgent Care Clinic
4.94
·84 reviews
Great place to go. My first time at that facility. Definitely I recommend - Jul 17, 2023 by Sandra D.Click to read more
23.5 mi · 11806 Whittier Blvd, Whittier, CA 90601
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended ·
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

Dr. Sadia Moinuddin, MD, DABOM

Primary Care Doctor
4.74
·95 reviews
Doctor sadia is the best doctor I have ever had she is very caring an attentive I will recomend her by SPClick to read more
26.5 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: Mon, Sep 14

Dr. Paola Ortiz, MD

Primary Care Doctor
4.59
·92 reviews
Dr. Ortiz was friendly, patient, and listened to all my concerns. I would recommend her! - Aug 20, 2025 by Alyssa G.Click to read more
26.5 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: tomorrow

Dr. Karoline Wang, MD

Primary Care Doctor
4.83
·36 reviews
Friendly professional - Sep 5, 2025 by Antonio N.Click to read more
24.5 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: Fri, Oct 2

Dr. Wasim Raja, MD

Primary Care Doctor
4.85
·488 reviews
Clean and cozy office Dr. Raja is a good communicator and asked me to follow up - Mar 21, 2024 by kim N.Click to read more
29 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 ·
Read bio
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: tomorrow

Dr. Sadia Bashir, DO

Primary Care Doctor
4.88
·8 reviews
Very clean and inviting office, and the doctor really paid attention to all my questions and concerns. - Aug 29, 2026 by Koriel K.Click to read more
29 mi · 801 Spectrum Ctr Dr, Irvine, CA 92618
Accepts Aetna, BlueCross BlueShield, Cigna + 1 more
Accepting new patients · Excellent wait time ·
Read bio
My training as an osteopathic physician is grounded in treating the mind, body and spirit which is reflected in my approach to patient care. I find fulfillment in connecting with patients and building strong relationships. I believe this to be fundamental in creating a path forward to better health....Click to read more
Next available: tomorrow

Dr. Paola Ortiz, MD

Primary Care Doctor (Virtual)
4.59
·92 reviews
Dr. Ortiz was friendly, patient, and listened to all my concerns. I would recommend her! - Aug 20, 2025 by Alyssa G.Click to read more
Norwalk, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · 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: Mon, Sep 21

Dr. Duongthuy Chau, MD

Primary Care Doctor
25 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: Fri, Oct 16

Dr. Nathalie Morales, MD

Primary Care Doctor
5.00
·5 reviews
She has very kind disposition and I will be recommending to my friends. - Aug 22, 2026 by Fritzie S.Click to read more
28 mi · 3850 Barranca Pkwy, Ste KL, Irvine, CA 92606
Accepts Aetna, BlueCross BlueShield, Cigna + 1 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I became a family physician because I find it incredibly rewarding to care for patients across all stages of life, from newborns to older adults. I am committed to building strong, trusting relationships with my patients so they can make informed, personalized decisions about their health. I strive ...Click to read more
Next available: Mon, Sep 14

Dr. Ana B Pantoja, MD

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
27 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

Dr. Sarah O'Loughlin, MD

Pediatrician
4.91
·32 reviews
21.5 mi · 2501 E Chapman Ave, Orange, CA 92869
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 22 years of experience · Highly recommended ·
Read bio
Dr. O'Loughlin believes in preventative medicine and is dedicated to assisting children and their parents as they make decisions about living a healthy lifestyle. As a parent herself, she values the insights that parents provide on the health and well-being of their children when discussing importan...Click to read more
Next available: Tue, Sep 15

Dr. Manuel A Cruz, MD

Primary Care Doctor
4.45
·42 reviews
Dr. Cruz is a phenomenal physician! - Dec 2, 2025 by Enrique G.Click to read more
27 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

Dr. Jessica G Haugen, DO

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
27 mi · 815 Washington Blvd, Montebello, CA 90640
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Excellent wait time ·
Read bio
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: Thu, Oct 8

Carbon Health Urgent Care - Cerritos

Urgent Care Clinic
4.77
·77 reviews
Yes,I will go back. The Provider is very nice and very professional. - Mar 1, 2026 by Wyatt D.Click to read more
27 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

Dr. Robert Frankel, MD

Pediatrician
5.00
·31 reviews
We are so grateful for Doc Frankel! He was able to help our son immediately. Thank you Doc, Frankel. - Feb 20, 2024 by Liam M.Click to read more
21.5 mi · 2501 E Chapman Ave, Orange, CA 92869
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Robert Frankel chose to be a pediatrician because of his love for children. He enjoys being able to bring about a change for the better in the lives of his young patients. Dr. Frankel received his medical degree from the University of Cincinnati's College of Medicine, in Cincinnati, Ohio. He the...Click to read more
Next available: Thu, Sep 24

Dr. Roya Hormozdiaran, MD

Primary Care Doctor
4.78
·142 reviews
Friendly office. The doctor listened to all my complaints and I can’t wait to follow up - Jun 1, 2026 by Luna D.Click to read more
27.5 mi · 62 Corporate Park, Suite 130, Irvine, CA 92606
Accepts Aetna, BlueCross BlueShield, Cigna + 1 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Welcome, and thank you for considering my practice. I’m a board-certified internal medicine physician, trained at the University of Southern California (USC), with over 20 years of experience in patient care, proudly serving the Irvine community. As a primary care physician, I specialize in weight ...Click to read more
Next available: Mon, Oct 5

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
22.5 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

Shary Joseph, DNP

Family Nurse Practitioner
5.00
·15 reviews
Great friendly service, appreciated the doctors bedside manner with a sensitive issue - May 9, 2026 by Chloe D.Click to read more
26 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 ·
Read bio
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: tomorrow

Carbon Health Urgent Care - Cypress

Urgent Care Clinic
4.82
·71 reviews
I was seen promptly, the provider was clear and very easy to communicate with, listened to my concernsClick to read more
27.5 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

Dr. Marta Sarmiento, MD

Pediatrician
4.85
·33 reviews
Excellent staff, fun toys for kids while you wait, free parking. - May 1, 2019 by Andrea P.Click to read more
23 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

Dr. James Kim, MD

Pediatrician
5.00
·30 reviews
24 mi · 2212 E 4th St, Santa Ana, CA 92705
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. I earned my Doctor of Medicine degree from Ohio State University and completed both my internship and residency at Children's Hospital Los Angeles. My goals with each patient interaction are to be a good listene...Click to read more
Next available: Mon, Sep 14

Dr. Jeffrey Messinger, MD

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
24 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: Mon, Sep 14

Dr. Naho Taguchi, MD

Pediatrician
24 mi · 2212 E 4th St, Santa Ana, CA 92705
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 24 years of experience ·
Read bio
Dr. Naho Taguchi is a Pediatrician practicing in Orange County, CA.Click to read more
Next available: Mon, Sep 14
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Made my life so much easier. As someone with chronic health conditions, Zocdoc makes it easy for me to build my medical team and keep track of everything!!
Rachel C
wish I would have found this dentist sooner highly recommend. Thanks Zocdoc
Stefan M
Zocdoc is great and so convenient. It always makes my appointments go smoothly as well.
Marta F
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

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

On average, patients who use Zocdoc can search for a Primary Care Doctor in Ontario, 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 Ontario who accept your insurance and make an appointment online.

How can I find an Ontario Primary Care Doctor who takes my insurance?

Zocdoc lets you search specifically for an Ontario 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 Ontario?

Zocdoc is a free online service that helps patients find Doctors in Ontario and book appointments instantly. You can search for Ontario 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 Ontario?

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

How can I find an Ontario Primary Care Doctor who sees patients after hours?

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

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

You can use Zocdoc to find Doctors in Ontario 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 Ontario?

Doctors in Ontario 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 Ontario 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 Ontario 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 Ontario who sees patients during the weekend?

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

Find doctors

Zocdoc›Doctors›Orange County, CA›Ontario, CA