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315 verified Doctors in Ontario, CA
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Availability last updated 06/18/2026
Availability last updated 06/18/2026
Primary Care Doctor
4.60
·30 reviews
9.5 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended ·
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Dr. Lilian Li is a family medicine physician with St. Jude Heritage Medical Group practicing in Diamond Bar, CA.Click to read more
Primary Care Doctor (Virtual)
Diamond Bar, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in emphysema (copd) + 9 more ·
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Building a long-term relationship with each of my patients is both important and satisfying. At every age, and regardless of what their limitations might be, there are many steps people can take to achieve and maintain good health. My approach is to partner with each patient in developing a personal...Click to read more
Family Nurse Practitioner (Virtual)
3.75
·4 reviews
The doctor was wonderful! she guided me through the process she answered all my questions and I felt heard and understood. I would definitely recommend her and return in the future - May 15, 2025 by Leahmontaine B.Click to read more
Chino, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Offers video visits ·
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Ms. Shivani Sharma is a dedicated and compassionate family nurse practitioner who focuses on patient advocacy and education. She is based in Chino, CA, and provides both in-person and virtual consultations at Cajon Medical Group. Following her bachelor's degree at Samuel Merritt University, Ms. Sha...Click to read more
Family Nurse Practitioner
5.00
·7 reviews
3.5 mi · 5475 Walnut Ave, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Also offers video visits · Accepting new patients · Highly recommended ·
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Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more
Family Nurse Practitioner (Virtual)
3.75
·4 reviews
Chino, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Offers video visits ·
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Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more
Family Nurse Practitioner
3.75
·4 reviews
3.5 mi · 5475 Walnut Ave, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Also offers video visits · Accepting new patients ·
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Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more
Family Nurse Practitioner (Virtual)
5.00
·7 reviews
Chino, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Offers video visits · Highly recommended ·
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Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more
Family Nurse Practitioner
3.75
·4 reviews
The doctor was wonderful! she guided me through the process she answered all my questions and I felt heard and understood. I would definitely recommend her and return in the future - May 15, 2025 by Leahmontaine B.Click to read more
3.5 mi · 5475 Walnut Ave, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Also offers video visits · Accepting new patients ·
Read bio
Ms. Shivani Sharma is a dedicated and compassionate family nurse practitioner who focuses on patient advocacy and education. She is based in Chino, CA, and provides both in-person and virtual consultations at Cajon Medical Group. Following her bachelor's degree at Samuel Merritt University, Ms. Sha...Click to read more
Family Nurse Practitioner
5.00
·4 reviews
3.5 mi · 5475 Walnut Ave, Chino, CA 91710
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Also offers video visits · Accepting new patients · Highly recommended ·
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Esther Sung, MSN, FNP-C, is a compassionate and dedicated Family Nurse Practitioner with a rich background in primary care, pediatrics, and community health. She earned her Bachelor's degrees from Loma Linda University Medical Center and California State University, East Bay, and completed her Maste...Click to read more
Family Nurse Practitioner (Virtual)
5.00
·4 reviews
Chino, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Accepting new patients · Offers video visits · Highly recommended ·
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Esther Sung, MSN, FNP-C, is a compassionate and dedicated Family Nurse Practitioner with a rich background in primary care, pediatrics, and community health. She earned her Bachelor's degrees from Loma Linda University Medical Center and California State University, East Bay, and completed her Maste...Click to read more
Primary Care Doctor (Virtual)
Diamond Bar, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Offers video visits ·
Internist
4 mi · 8906 San Bernardino Rd, Ste 140, Rancho Cucamonga, CA 91730
Also offers video visits · Accepting new patients ·
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My experience embodies the fusion of clinical excellence, artificial intelligence, and strategic business acumen. I bring data-driven, academic, and commercial research design understanding. Coupled with machine learning knowledge, the sky’s the limit. I earned my Doctor of Medicine from the Univ...Click to read more
Nurse Practitioner
1.00
·1 review
4 mi · 8906 San Bernardino Rd, Ste 140, Rancho Cucamonga, CA 91730
Also offers video visits · Accepting new patients ·
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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
Internist (Virtual)
Rancho Cucamonga, CA
Accepting new patients · Offers video visits ·
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My experience embodies the fusion of clinical excellence, artificial intelligence, and strategic business acumen. I bring data-driven, academic, and commercial research design understanding. Coupled with machine learning knowledge, the sky’s the limit. I earned my Doctor of Medicine from the Univ...Click to read more
Nurse Practitioner
4.5 mi · 5581 Daniels St, Chino, CA 91710
Accepting new patients
Nurse Practitioner
4.5 mi · 5581 Daniels St, Chino, CA 91710
Accepting new patients
Nurse Practitioner
4.5 mi · 5581 Daniels St, Chino, CA 91710
Accepting new patients
Nurse Practitioner
4.5 mi · 5581 Daniels St, Chino, CA 91710
Accepting new patients
Nurse Practitioner
6.5 mi · 14504 Pipeline Ave, Chino, CA 91710
Accepting new patients
Nurse Practitioner
6.5 mi · 14504 Pipeline Ave, Chino, CA 91710
Accepting new patients
Nurse Practitioner
6.5 mi · 14504 Pipeline Ave, Chino, CA 91710
Accepting new patients
Nurse Practitioner
6.5 mi · 14504 Pipeline Ave, Chino, CA 91710
Accepting new patients
Physician Assistant
5.00
·9 reviews
6.5 mi · 8231 Rochester Ave, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 16 more
Also offers video visits · Accepting new patients · Highly recommended ·
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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
Physician Assistant (Virtual)
5.00
·9 reviews
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 16 more
Accepting new patients · Offers video visits · Highly recommended ·
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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
Pediatrician
5.00
·1 review
7 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Highly recommended · Excellent wait time ·
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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
Pediatrician
5.00
·35 reviews
I was very satisfied with the overall experience and care that was provided. Everyone was very friendly, kind, and patient. - Apr 3, 2024 by Cataleya M.Click to read more
7 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
Accepts Aetna, BlueCross BlueShield, Cigna + 6 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. Dr. Jing Chen is a board-certified Pediatrician practicing the past 3 years in Southern California. She completed medical school at Creighton University School of Medicine before finishing her residency and inter...Click to read more
Pediatrician (Virtual)
5.00
·35 reviews
I was very satisfied with the overall experience and care that was provided. Everyone was very friendly, kind, and patient. - Apr 3, 2024 by Cataleya M.Click to read more
Chino Hills, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. Dr. Jing Chen is a board-certified Pediatrician practicing the past 3 years in Southern California. She completed medical school at Creighton University School of Medicine before finishing her residency and inter...Click to read more
Primary Care Doctor (Virtual)
4.78
·90 reviews
He took his time to talk to me. I did not feel rushed. It was nice to have a Dr that actually listens. by Shirrea M.Click to read more
Covina, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Excellent wait time ·
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Dr. Usborne is a Southern California native. He was born and raised in San Diego and graduated from Bonita Vista High School. He earned his undergraduate degree at the University of California, Davis. He received his doctorate degree from AUC School of Medicine and completed his post-graduate educat...Click to read more
Primary Care Doctor
14.5 mi · 500 W Badillo St, Covina, CA 91722
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience ·
Primary Care Doctor (Virtual)
4.88
·33 reviews
Dr Wheeler listened to my issues and did not rush through my appointment. I’m looking forward to continuing my care with her office. - Oct 2, 2025 by Renee C.Click to read more
Anaheim, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Dr. Lauren Wheeler is a board-certified family medicine physician, currently practicing in Anaheim Hills. She grew up in metropolitan Detroit, and completed medical school at Michigan State University. She finished residency at Loma Linda University, where she served as chief resident. Dr. Wheeler ...Click to read more
Primary Care Doctor
4.89
·47 reviews
Dr. Garcia-Montoya and staff were so welcoming and have put me at ease. I did not feel rushed. I love the fact that they remind me of the Providence I used to go to while working at my previous job. Thank you! - Jun 5, 2024 by Charis G.Click to read more
15 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in underactive thyroid + 4 more ·
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Dr. Garcia-Montoya chose Family Medicine as a specialty to serve generations of families through comprehensive health care, including disease prevention. She earned her Doctor of Medicine degree from Ross University School of Medicine and completed both her internship and residency at the Univers...Click to read more
Primary Care Doctor (Virtual)
5.00
·30 reviews
Anaheim, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits · Highly recommended ·
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Dr. Ammar Dahodwala is a board-certified physician specializing in Internal Medicine and Pediatrics. Originally from South Jersey right outside Philadelphia (go Phillies, Eagles, and Sixers!), Dr. Dahodwala completed his medical school training at Cooper Medical School of Rowan University where he w...Click to read more
Primary Care Doctor
4.88
·33 reviews
Dr Wheeler listened to my issues and did not rush through my appointment. I’m looking forward to continuing my care with her office. - Oct 2, 2025 by Renee C.Click to read more
15 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Lauren Wheeler is a board-certified family medicine physician, currently practicing in Anaheim Hills. She grew up in metropolitan Detroit, and completed medical school at Michigan State University. She finished residency at Loma Linda University, where she served as chief resident. Dr. Wheeler ...Click to read more
Primary Care Doctor
5.00
·30 reviews
15 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Ammar Dahodwala is a board-certified physician specializing in Internal Medicine and Pediatrics. Originally from South Jersey right outside Philadelphia (go Phillies, Eagles, and Sixers!), Dr. Dahodwala completed his medical school training at Cooper Medical School of Rowan University where he w...Click to read more
Primary Care Doctor
4.79
·42 reviews
I am extremely pleased with Dr Kim. Very professional - Jan 19, 2023 by Thomas D.Click to read more
16 mi · 4300 Rose Dr, Ste S, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended ·
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Dr. Kim is a board-certified family medicine physician who earned her Doctor of Osteopathic Medicine degree from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific. She completed both her internship and residency at Broward Health Medical Center. Dr. Kim believes i...Click to read more
Primary Care Doctor
5.00
·33 reviews
Dr. Santos is the best doctor I've seen in a while. She was very thorough in her questions regarding my reason for visiting. She was kind and listened to my concerns and was proactive with ordering the tests I needed done.Click to read more
16 mi · 4300 Rose Dr, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time ·
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Dr. Therese Santos is a board-certified family medicine physician with St. Jude Heritage Medical Group in Yorba Linda, California. She obtained her bachelor’s degree in kinesiology exercise science at CalState Long Beach and attended medical school at Western University of Health Sciences in Pomona,...Click to read more
Primary Care Doctor
5.00
·33 reviews
Felt very taken care of. All around the kind of feeling you want to have when regarding your body and your health. Easy interface with MyChart, able to link all your medical records, and access to so much information just about every topic. - Mar 3, 2025 by Alexis S.Click to read more
16 mi · 4300 Rose Dr, Ste R, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in chronic high blood pressure + 3 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
Primary Care Doctor
16 mi · 4300 Rose Dr, Ste S, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in osteoporosis + 7 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. If you ch...Click to read more
Primary Care Doctor (Virtual)
5.00
·33 reviews
Yorba Linda, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
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
Primary Care Doctor
16 mi · 4300 Rose Dr, Ste M, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in lower back pain + 9 more ·
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Dr. Anthony Bae is a board-certified internist practicing with St. Jude Heritage Medical Group in Yorba Linda, CA.Click to read more
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
Great experience! Now seeing this doctor for routine foot care. Thank you Zocdoc!
Trefalyn M L
I was very pleased with everything about my appt. Super nice staff. Short wait. Another Zocdoc success!
Marielle A
Zocdoc is great! Please consider using this you won't regret it. I was very, very pleased with my visit my future PCP was great!
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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.


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