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315 verified Doctors in Ontario, CA
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Availability last updated 04/02/2026
Availability last updated 04/02/2026

Dr. Rishi Majithia, MD

Primary Care Doctor
4.82
·315 reviews
The physician was very professional, a good listener and very respectful. - Sep 19, 2025 by Empress E.Click to read more
2.5 mi · 99 N San Antonio Ave, Ste 210, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We are based out of Upland, California. We collect deductibles and copays at the time of service. If you have any questions or concerns, please call your insurance before your visi...Click to read more
Next available: today

Dr. Azhar Majeed, MD, FACP

Primary Care Doctor
4.79
·135 reviews
Exceptional physician with a wonderful bedside manner. Staff was very friendly and took me back right away - Jul 11, 2018 by Elizabeth T.Click to read more
4 mi · 255 E Bonita Ave, Pomona, CA 91767
Accepts Aetna, BlueCross BlueShield, Cigna + 40 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, Apr 23

Dr. Lubna Isho, DO

Primary Care Doctor
4.82
·244 reviews
Great office and staff. Dr. Isho was quite thorough on going over health information and has friendly demeanor. by Rachelle A.Click to read more
6 mi · 250 W Bonita Ave, #150, Pomona, CA 91767
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Also offers video visits · Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time ·
Read bio
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, Apr 21

Carbon Health Urgent Care - Eastvale

Urgent Care Clinic
4.84
·64 reviews
It was easy to make appointments, the wait time was minimal and the staff was very friendly and professional. - May 15, 2025 by Donald R.Click to read more
7 mi · 14117 Limonite Ave, Eastvale, CA 91752
Accepts Aetna, BlueCross BlueShield, Cigna + 17 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

Carbon Health Urgent Care - Rancho Cucamonga

Urgent Care Clinic
4.79
·99 reviews
They need a primary doctor at the office. - Jan 24, 2023 by Jose S.Click to read more
7.5 mi · 7831 Monticello Ave, Ste 1102, Rancho Cucamonga, CA 91739
Accepts Aetna, BlueCross BlueShield, Cigna + 17 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

Martena Israil, NP

Nurse Practitioner (Virtual)
1.00
·1 review
Rancho Cucamonga, CA
Accepting new patients · Offers video visits ·
Read bio
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: tomorrow

Hilda Mancilla, PA

Physician Assistant
2.5 mi · 525 N 13th Ave, Ste A, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 40 more
Accepting new patients ·
Read bio
Hilda Mancilla, PA-C, is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland. A lifelong Inland Empire resident, she earned her undergraduate degree from Cal State San Bernardino and her medical training from Western University of Health Sciences in Pomona. With 24 year...Click to read more
Next available: Wed, Apr 8

Heidi Larson, APRN, RN, NP

Family Nurse Practitioner
2.5 mi · 525 N 13th Ave, Ste A, Upland, CA 91786
Accepts Aetna, BlueCross BlueShield, Cigna + 40 more
Accepting new patients ·
Read bio
Heidi Larson, FNP-C is a board-certified family nurse practitioner with over 25 years of experience in medicine. She has been caring for patients at Rancho Wellness in Rancho Cucamonga for the past ten years. Originally from Huntington Beach, Heidi completed her undergraduate studies at Westmont Col...Click to read more
Next available: Thu, Apr 9

Dr. Oluyemisi Olubi, MD, MPH

Primary Care Doctor
4.68
·37 reviews
Great appointment with Dr.Olubi. I felt heard and received thorough care! by Patrice T.Click to read more
14 mi · 760 S Washburn Ave, Ste 22, Corona, CA 92882
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Excellent wait time ·
Read bio
Dr Olubi earned her medical degree from the College of Medicine, University of Lagos in Nigeria. She completed a full rotational internship at San Fernando General Hospital, Trinidad, West Indies, and Pediatric Internship at the Children’s Hospital of New Jersey at Newark Beth Israel Medical Center ...Click to read more
Next available: today

Dr. Sergio B Villegas, MD

Primary Care Doctor
4.85
·48 reviews
Very impressed with the concern and attention given to by the doctor - Mar 4, 2026 by Richard H.Click to read more
16.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in diabetic emergency + 2 more ·
Read bio
Believing that prevention is the best medicine, Dr. Villegas makes health education a top priority for his practice. A San Gabriel Valley native who maintains strong ties with his home area, Dr. Villegas received his medical degree from the University of California-Davis and completed his residency ...Click to read more
Next available: today

Barbara Santacruz, PA

Physician Assistant
6.5 mi · 8231 Rochester Ave, Rancho Cucamonga, CA 91730
Accepts Aetna, BlueCross BlueShield, Cigna + 40 more
Accepting new patients ·
Read bio
Barbara Santa Cruz is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland, with over 44 years of experience in healthcare. A Southern California native, Barbara began her career in nursing before becoming a PA when the profession was still in its early days. Her backgro...Click to read more
Next available: Tue, Apr 7

Dr. Meisam Fekri, MD

Primary Care Doctor
4.79
·200 reviews
i found a doctor who is empathetic, caring, friendly and a great listener. - Nov 16, 2024 by Sandra P.Click to read more
16.5 mi · 222 N Sunset Ave, Ste. F, West Covina, CA 91790
Accepts Aetna, BlueCross BlueShield, Cigna + 61 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
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: tomorrow

Dr. Anousheh Ashouri, MD

Primary Care Doctor
4.28
·156 reviews
The staff was great but I did see a different practitioner. - Mar 20, 2024 by Brooke T.Click to read more
16.5 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 68 more
Accepting new patients · 19 years of experience · Expertise in chronic high blood pressure + 8 more ·
Read bio
Dr. Ashouri proudly serves the City of Riverside and surrounding communities with a focus on prevention, women’s health, older adult health, and palliative care. She gives each patient the care and attention they need to find the right treatment for their unique condition. Dr. Ashouri devotes her ti...Click to read more
Next available: Mon, Apr 6

Dr. Mehul Sonawala, MD

Primary Care Doctor
4.77
·43 reviews
nice visit,kind doctor and assistant - Feb 7, 2025 by Louise L.Click to read more
16.5 mi · 4013 Brockton Ave, Riverside, CA 92501
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in anxiety disorders + 9 more ·
Read bio
Dr. Mehul Sonawala is an accomplished physician with expertise in Internal Medicine, Bioengineering, and Cardiology. He earned his Doctor of Medicine from the University of Mumbai and completed his residency in Internal Medicine at Los Angeles General Medical Center. Additionally, he holds an MD in ...Click to read more
Next available: Thu, Apr 9

Carbon Health Urgent Care - Placentia

Urgent Care Clinic
4.85
·68 reviews
Very nice clinic! Dr was very kind and helpful! Would totally recommend for any urgent care needs! - Apr 29, 2025 by Elizabeth B.Click to read more
17 mi · 858 N Rose Dr, Placentia, CA 92807
Accepts Aetna, BlueCross BlueShield, Cigna + 20 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. 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 + 43 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. Sabrina Cooley, MD

Primary Care Doctor
3.63
·27 reviews
The conversation with the doctor felt very rushed and dismissive. I felt as if my questions were not fully being heard or answered. The door also kept opening while I was in the examining position which made me feel very uncomfortable.Click to read more
20 mi · 1321 N Hbr Blvd, Ste 205, Fullerton, CA 92835
Accepts Aetna, BlueCross BlueShield, Cigna + 43 more
Accepting new patientsExpertise in schizophrenia + 1 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 + 43 more
Accepting new patients

Dr. Marisse Herrera, DO

Primary Care Doctor
4.79
·19 reviews
Great, personal experience! - Jul 1, 2024 by Matthew P.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: Mon, Apr 6

Carbon Health Urgent Care - Corona

Urgent Care Clinic
4.84
·76 reviews
Staff was friendly and knowledgeable. Once seen by provider, she was quick and precise. - Jan 4, 2024 by Peyton G.Click to read more
18.5 mi · 3955 Bedford Canyon Rd, Ste 103, Corona, CA 92883
Accepts Aetna, BlueCross BlueShield, Cigna + 17 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

Carbon Health Urgent Care - La Habra

Urgent Care Clinic
4.90
·60 reviews
Yes I will definitely go back. It was such and easy process. Everyone was helpful and nice!!!! - Sep 10, 2024 by Alyssa M.Click to read more
20.5 mi · 1040 W Imperial Hwy, La Habra, CA 90631
Accepts Aetna, BlueCross BlueShield, Cigna + 20 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. Howard Pyo, DO

Family Physician
4.88
·1248 reviews
I was able to book for a same-day appointment. Dr. Pyo was very kind and able to meet my medical needs. - Nov 3, 2023 by Naomi M.Click to read more
19 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
Accepts Aetna, BlueCross BlueShield, Cigna + 30 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. If patient prefers to see only Dr. Pyo, we fully respect their choice and will not include residents or students in their care. All of our patients are GUARANTEED...Click to read more
Next available: today

Angela Huusfeldt, APRN, RN, NP

Family Nurse Practitioner
5.00
·2 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 + 45 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: tomorrow

Brittany A Camille, NP

Nurse Practitioner
4.94
·79 reviews
Brittany was excellent, she was so kind and really understood my concerns with my health and took her time.Click to read more
16.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Brittany Camille brings over a decade of diverse nursing experience to Altais Medical Group Riverside. Her background in primary care and medical-surgical units has given her a comprehensive understanding of patient care needs. Brittany chose to become a Family Nurse Practitioner for the opportunity...Click to read more
Next available: Tue, Apr 7

Regina Robertson, NP

Family Nurse Practitioner
16.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients ·
Read bio
Regina Robertson, MSN, APRN, FNP-BC, is a compassionate and experienced Nurse Practitioner with more than 30 years in nursing and advanced clinical care. She is dedicated to providing thoughtful, patient-centered primary care that focuses on both physical and emotional well-being. Regina holds a Mas...Click to read more
Next available: Tue, Apr 7

Tracy Bronson

Family Nurse Practitioner
4.24
·25 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 + 68 more
Accepting new patientsExpertise in chronic diabetes + 3 more
Next available: Mon, Apr 6

Dr. Rameshchandra Bambhania, MD

Primary Care Doctor
5.00
·34 reviews
Great! by OMClick to read more
23.5 mi · 13132 Newport Ave, Ste 200, Tustin, CA 92780
Accepts Aetna, BlueCross BlueShield, Cigna + 22 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in high cholesterol + 2 more ·
Read bio
Board certified internal medicine physician with a diploma in Dermatology. 35 years in private practice of medicine. Practice focused on prevention and health promotion. My goal is to keep my patients healthy, productive and happy. I will always have my patient’s best interest at heart. As a side no...Click to read more
Next available: Mon, Apr 6

Dr. Adnan Ameer, MD

Gastroenterologist
14 mi · 4244 Riverwalk Pkwy, Ste 290, Riverside, CA 92505
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr. Adnan Ameer is an experienced gastroenterologist providing in-person services at United Medical Doctors. He sees patients in Riverside and Moreno Valley, CA. As part of his formal education and training, Dr. Ameer completed a medical degree at the Ross University School of Medicine in Dominica,...Click to read more
Next available: Thu, May 21

Dr. Matthew Im, MD

Primary Care Doctor
25 mi · 24119 Hemlock Ave, Ste 104, Moreno Valley, CA 92557
Accepts Aetna, BlueCross BlueShield, Cigna + 42 more
Also offers video visits · Accepting new patients ·
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: tomorrow

Dr. Henry Cheng, MD

Family Physician
4.64
·116 reviews
Very Good! Good communication skills Very informative. by JEClick to read more
17 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
Accepts Aetna, BlueCross BlueShield, Cigna + 9 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: Mon, Apr 13

Dr. Christina Steinhauser, DO

Gastroenterologist
4.97
·88 reviews
Went to Dr. Steinhauser for a IBS consultation. I avoid going to doctors because of past bad experiences but this was nothing like that, she made me feel totally safe and heard. She is a great listener and seems extremely educated and passionate about her field! Highly recommend her if you are looki...Click to read more
16.5 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 15 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: Wed, Apr 22

Dr. Marco Paez, MD

Gastroenterologist
4.93
·71 reviews
My experience at Dr. Paez's office was excellent: I arrived early and was seen early. He has an engaging manner while still being focused on the details of and motivation for the plan of care. I was able to schedule another appointment within a week: super-grateful for the efficiency of the staff as...Click to read more
16.5 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 14 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, Apr 28

Carbon Health Urgent Care - Whittier

Urgent Care Clinic
4.99
·75 reviews
They were very thorough. - May 18, 2023 by Jerry G.Click to read more
23.5 mi · 11806 Whittier Blvd, Whittier, CA 90601
Accepts Aetna, BlueCross BlueShield, Cigna + 20 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. Wasim Raja, MD

Primary Care Doctor
4.84
·468 reviews
He listened patiently to my concern and communicated clearly. - Apr 23, 2024Click to read more
29 mi · 11100 Warner Ave, Ste 110, Fountain Valley, CA 92708
Accepts Aetna, BlueCross BlueShield, Cigna + 13 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: today

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 + 43 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. Michael Truong, MD

Primary Care Doctor
4.96
·77 reviews
This was my first appointment here, and it went very smoothly! Dr. Truong is thorough and understanding. - Jun 19, 2024 by Rachael G.Click to read more
24 mi · 1535 17th St, Suite 104, Santa Ana, CA 92705
Accepts Aetna, BlueCross BlueShield, Cigna + 10 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, Apr 28

Dr. Jennifer Dong, MD

Primary Care Doctor
5.00
·15 reviews
Dr. Dong has been my GP for more than 10 years and i wouldn’t have had it any other way. She’s highly respected in New York City where I first met her. Dr.Dong has always been caring, resourceful, respectful and kind. She even would check-up on me even if I didn’t have an appointment - that’s the...Click to read more
26.5 mi · 1190 Roosevelt #100, Irvine, CA 92620
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Portola Direct Primary Care is a concierge primary care practice based on direct membership with our office for access to your PCP and longitudinal primary care. We do not accept or bill health insurances. You can find us online if this sounds new and you wish to learn more about how our practice si...Click to read more
Next available: Mon, Apr 6

Dr. Julie Navarro, DO

Primary Care Doctor
4.67
·72 reviews
Dr Navarro takes time to explain my situation and answers all of my questions. - May 8, 2025 by Michelle L.Click to read more
26.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Also offers video visits · Accepting new patients ·
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. Julie Navarro is a skilled and experienced family physician. She sees patients in person at Copa De Oro Medical Group in ...Click to read more
Next available: Mon, Apr 13

Dr. Farhad Nassiri Afshar, MD

Primary Care Doctor
5.00
·20 reviews
He was a good doctor. - Oct 11, 2025Click to read more
27.5 mi · 62 Corporate Park, Ste 200, Irvine, CA 92606
Accepts Aetna, BlueCross BlueShield, UnitedHealthcare + 5 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
PPO-only clinic (Anthem Blue Cross, Aetna, Cigna, UnitedHealthcare) and Original Medicare—not in network with Blue Shield of California or HMO plans—in Irvine, led by a board-certified internal medicine physician providing adult primary care in Orange County. We have a 24h cancellation policy with a...Click to read more
Next available: Mon, Apr 6

Dr. Roya Hormozdiaran, MD

Primary Care Doctor
4.84
·103 reviews
Dr Roya is wonderful!! She was so respectful and helpful. I look forward to my next visit. by NMClick to read more
27.5 mi · 62 Corporate Park, Ste 130, Irvine, CA 92606
Accepts Aetna, BlueCross BlueShield, Cigna + 7 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, Apr 6
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1-3 days

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Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Zocdoc is the best. The NP, I believe, was very knowledgeable and very proficient. I totally recommend Zocdoc to my friends. Thank you, Zocdoc!
Michelle C
Great experience! Now seeing this doctor for routine foot care. Thank you Zocdoc!
Trefalyn M L
Zocdoc is great and so convenient. It always makes my appointments go smoothly as well.
Marta F
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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.

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