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315 verified UnitedHealthcare Doctors in Fontana, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
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Availability last updated 10/01/2026
Availability last updated 10/01/2026

Carbon Health Urgent Care - Rancho Cucamonga

Urgent Care Clinic
4.79
·102 reviews
The office was very clean and the staff was very friendly and knowledgeable.Click to read more
6 mi · 7831 Monticello Ave, Ste 1102, Rancho Cucamonga, CA 91739
In-network · UnitedHealthcare
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. Rishi Majithia, MD

Primary Care Doctor
4.81
·357 reviews
Appreciated Dr. Rishi’s kind and friendly approach. Very nice staff and the whole experience was smooth. - Jun 23, 2025 by Ammar A.Click to read more
13 mi · 99 N San Antonio Ave, Ste 210, Upland, CA 91786
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
***We DO NOT accept HMO plans or out-of-state insurance plans. You will be charged cash for those appointments. We do not prescribe controlled substances. All pre-visit information must be filled out in a timely manner before your appointment, or you will be subject to cancellation. Please review...Click to read more
Next available: tomorrow

Dr. Azhar Majeed, MD, FACP

Primary Care Doctor
4.80
·137 reviews
Very attentive to what my concerns were and very explanatory. Office staff is very friendly and attentive as well. Thank you. - Jan 20, 2026 by John C.Click to read more
11.5 mi · 1042 San Bernardino Rd, Upland, CA 91786
In-network · UnitedHealthcare
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, Nov 5

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
10 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patientsExpertise in chronic diabetes + 3 more

Carbon Health Urgent Care - Eastvale

Urgent Care Clinic
4.82
·74 reviews
I love this place! I just wish it was a full service office and not just an urgent care - Mar 28, 2025 by Maria M.Click to read more
12 mi · 14117 Limonite Ave, Eastvale, CA 91752
In-network · UnitedHealthcare
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

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
10 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patients
Next available: tomorrow

Dr. Oluyemisi Olubi, MD, MPH

Primary Care Doctor
4.78
·54 reviews
Very clear and communicative. Friendly staff and straight to the point. Would recommend ! - Sep 4, 2026 by Rodrick M.Click to read more
17 mi · 760 S Washburn Ave, Ste 22, Corona, CA 92882
In-network · UnitedHealthcare
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. Howard Pyo, DO

Family Physician
4.88
·1373 reviews
Was great in listening to my symptoms and answering all the questions I had about the prescriptions! - Jun 21, 2024Click to read more
12 mi · 360 E 7th St, Ste B, Upland, CA 91786
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
DISCLAIMER: Pyo Clinic is a learning facility but patient permission is ALWAYS sought before we include residents/students in their care. You can request that you are seen only by Dr Pyo without resident or student involvement as we fully respect your choice. Dr. Howard Pyo is a board-certified fam...Click to read more
Next available: Wed, Oct 7

Dr. Lubna Isho, DO

Primary Care Doctor
4.82
·251 reviews
A wonderful doctor - patient, warm, thorough, and tells you exactly what to expect in terms of recovery. Highly recommend! - Jun 7, 2022 by Neha D.Click to read more
18 mi · 250 W Bonita Ave, #150, Pomona, CA 91767
In-network · UnitedHealthcare
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: Wed, Oct 28

Carbon Health Urgent Care - Corona

Urgent Care Clinic
4.86
·85 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
19.5 mi · 3955 Bedford Canyon Rd, Ste 103, Corona, CA 92883
In-network · UnitedHealthcare
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. Karen Kay G Alfonso, MD

Pediatrician
5.00
·1 review
17 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alfonso is a board-certified pediatrician practicing for over 10 years in Orange and LA county. She received her medical degree at UC Davis School of Medicine and completed her residency training at CHOC Children’s hospital. Her favorite thing about being a pediatrician is, of course, the kids!...Click to read more
Next available: Mon, Oct 5

Dr. Aaron Lin, DO

Primary Care Doctor
4.94
·52 reviews
My chart is a little buggy. - Jul 19, 2022 by Jeffrey J.Click to read more
22 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in lower back pain + 5 more ·
Read bio
I am committed to providing comprehensive health care for you and your family, working to achieve optimal health through a healthy lifestyle and disease prevention. I believe in caring for you when you are both sick and well. I earned my Doctor of Osteopathic Medicine degree from Rowan University an...Click to read more
Next available: Tue, Nov 3

Dr. Natalie Garcia-Montoya, MD

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
24 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in underactive thyroid + 4 more ·
Read bio
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

Dr. Simon Kim, DO

Primary Care Doctor
5.00
·1 review
Very thorough, kind, and explains medical answers really well. by BPClick to read more
30.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Simon Kim is an Internal Medicine physician at Pyo Clinic in Fullerton, CA, where he provides comprehensive primary care for adult patients through both in-office and virtual consultations. Fluent in both English and Korean, Dr. Kim is able to provide care to patients in the language they feel m...Click to read more
Next available: today

Dr. Meisam Fekri, MD

Primary Care Doctor
4.81
·247 reviews
The dr was very helpful, he’s very knowledgeable and understanding - Jul 1, 2025 by Terry M.Click to read more
28.5 mi · 222 N Sunset Ave, Ste. F, West Covina, CA 91790
In-network · UnitedHealthcare
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. Alexander Tran, DO

Primary Care Doctor
4.91
·43 reviews
Great visit. Very straight forward and will be making him my primary care doctor. - Sep 15, 2026 by Stephon F.Click to read more
30.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Next available: today

Dr. Brian T Lai, DO

Primary Care Doctor
5.00
·33 reviews
27 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 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
Next available: Wed, Oct 21

Carbon Health Urgent Care - Placentia

Urgent Care Clinic
4.84
·77 reviews
I would definitely recommend. Doctor was nice , it went quick. - Jan 21, 2024 by Michael B.Click to read more
27.5 mi · 858 N Rose Dr, Placentia, CA 92807
In-network · UnitedHealthcare
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. Divneet Wadhwa, MD

Primary Care Doctor
5.00
·6 reviews
I was able to see the doc right away. She answered all of my questions and I left feeling more confident about my health. by CWClick to read more
33.5 mi · 1781 W Romneya Dr, Ste B, Anaheim, CA 92801
In-network · UnitedHealthcare
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: tomorrow

Dr. Suehong Tao, MD

Pediatrician
4.87
·30 reviews
24 mi · 17083 Main St, Hesperia, CA 92345
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Dr. Suehong Tao is a reliable and diligent pediatrician. She is currently a part of St. Mary High Desert - Peds in Hesperia, CA. She easily connects with her young patients and their parents. Dr. Tao attended Zhejiang Medical University for medical school. She holds a certification from the America...Click to read more

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
32 mi · 1201 W Whittier Blvd, La Habra, CA 90631
In-network · UnitedHealthcare
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: Mon, Oct 26

Dr. Jon Kramer, MD

Pediatrician
5.00
·31 reviews
27 mi · 4300 Rose Dr, Ste E, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. I love being able to help families through the joys and challenges of raising happy, healthy children. It's a remarkable thing to sign a teenager's health form for college and remember the first time you saw that...Click to read more
Next available: Thu, Oct 8

Dr. Karoline Wang, MD

Primary Care Doctor
4.83
·36 reviews
Friendly professional - Sep 5, 2025 by Antonio N.Click to read more
32.5 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
In-network · UnitedHealthcare
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: Tue, Oct 20

Dr. Minh Trang Tran, MD

Primary Care Doctor
5.00
·30 reviews
32 mi · 1201 W Whittier Blvd, La Habra, CA 90631
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Minh Tran, MD is a board-certified internal medicine physician with St. Jude Heritage Medical Group practicing in La Habra, CA.Click to read more
Next available: Fri, Nov 6

Dr. Michael Truong, MD

Primary Care Doctor
4.97
·99 reviews
Dr. Truong was very kind, he listened and took his time with me in this hard time in my life. - Jul 30, 2024 by Suzette S.Click to read more
33 mi · 1535 17th St, Suite 104, Santa Ana, CA 92705
In-network · UnitedHealthcare
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, Oct 20

Dr. Jeremy Joseph Feck, DO

Primary Care Doctor
5.00
·5 reviews
32.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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: Wed, Oct 28

Dr. Vincent Pan, DO

Primary Care Doctor
4.88
·16 reviews
32.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
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: Fri, Oct 30

Dr. Larissa Isterabadi, MD

Pediatrician
4.97
·32 reviews
27 mi · 4300 Rose Dr, Ste E, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the singl...Click to read more
Next available: Wed, Oct 14

Dr. David Joung, MD

Pediatrician
5.00
·31 reviews
27 mi · 4300 Rose Dr, Ste B, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. As a father of two adventurous and energetic boys, I understand the journey of parenthood, which often feels like a roller-coaster ride. When children are doing well and healthy, there is no greater joy and rew...Click to read more
Next available: Wed, Oct 7

Carbon Health Urgent Care - La Habra

Urgent Care Clinic
4.91
·65 reviews
It was very upbeat and streamlined. In and out and my meds were sent to my Pharmacy. Excellent experience! - Oct 25, 2025 by HAROLD G.Click to read more
32.5 mi · 1040 W Imperial Hwy, La Habra, CA 90631
In-network · UnitedHealthcare
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. Billy Zhang, MD

Primary Care Doctor
5.00
·30 reviews
32.5 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
In-network · UnitedHealthcare
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: Thu, Nov 5

Dr. Henry Leung, DO

Primary Care Doctor
4.84
·395 reviews
I am grateful that Dr Leung always makes time for people, like me, who have sudden illness or discomfort. - Jul 22, 2015 by Margaret O.Click to read more
37.5 mi · 24953 Paseo De Valencia Building B, Suite 13B, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in high cholesterol + 5 more ·
Read bio
Dr. Leung is the medical director at AV Family Medicine & Urgent Care. He oversees a staff of doctors and nurse practitioner who are ready to take care of your needs. Dr. Leung is an active member of the American Board of Family Medicine, and is on staff with Memorialcare Saddleback Medical Cente...Click to read more
Next available: tomorrow

Dr. Farhad Nassiri Afshar, MD

Primary Care Doctor
4.93
·30 reviews
I am a new patient. The receptionist was amazing. He knew who I was before I could even take out my insurance card. Dr Afshar saw me within minutes of my arrival and was very thorough with background inquiries and my overall health condition before we talked about my current issue. I think he car...Click to read more
35.5 mi · 62 Corporate Park, Ste 200, Irvine, CA 92606
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
PPO-only adult PCP/internal medicine in Irvine. Anthem Blue Cross PPO, Aetna PPO, Cigna PPO, and UnitedHealthcare PPO. Not Blue Shield of CA or HMO. I’m Farhad Nassiri Afshar, MD, an ABIM-certified internist and founder of Afshar Medical Group. I provide clear, practical, prevention-focused care f...Click to read more
Next available: Tue, Oct 6

Dr. Marco Paez, MD

Gastroenterologist
4.86
·84 reviews
I had a great experience with Dr. Paez and his receptionist, Urelly. They were so welcoming and made me feel very comfortable. Dr. Paez answered all of my questions and really took time with me. - Sep 13, 2024 by Stephanie S.Click to read more
27.5 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Marco A. Paez was born in Miami, Florida. He attended Miami-Dade College and Florida International University (FIU). He graduated with a competitive degree in Biological Sciences with a minor in Psychology. He then matriculated at Georgetown University School of Medicine in Washington, D.C. wher...Click to read more
Next available: Tue, Oct 27

Dr. Christina Steinhauser, DO

Gastroenterologist
4.98
·122 reviews
Dr. Christina was incredibly kind and caring. I am so happy to be in her hands.Click to read more
27.5 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
In-network · UnitedHealthcare
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: Mon, Nov 2

Dr. Paola Ortiz, MD

Primary Care Doctor
4.59
·93 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
38.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
In-network · UnitedHealthcare
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. Yama Afshar, DO

Primary Care Doctor
4.81
·108 reviews
I had a great experience the staff was friendly, the place was clean, and the wait wasnt long. Very happy I chose Dr.Afshar!Click to read more
37 mi · 24321 Avenida De La Carlota, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time · Expertise in chronic high blood pressure ·
Read bio
Dr. Yama Afshar is an internal medicine physician with a background in public health. He completed medical school at Midwestern University Arizona College of Osteopathic Medicine in Glendale, AZ and residency in internal medicine at UCSF Fresno in Fresno, CA. Dr. Afshar provides primary care for adu...Click to read more
Next available: Fri, Oct 9

Dr. Nusrat Ahsan, MD

Primary Care Doctor
4.87
·95 reviews
Really clean office, friendly staff, and the Dr listened to all my concerns, very attentive - Oct 25, 2022 by Karen G.Click to read more
35.5 mi · 22621 Lake Forest Dr, Lake Forest, CA 92630
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 5 more ·
Read bio
While Dr. Ahsan was growing up, she always wanted to be a doctor. Her mother told her stories about how her father wanted his youngest daughter to become a doctor, but he passed away just before she was born. Ever since, she has felt a strong obligation to fulfill his wish. She believes that we, as ...Click to read more
Next available: tomorrow

Dr. Roya Hormozdiaran, MD

Primary Care Doctor
4.78
·144 reviews
Very personable! Gave me so much time! I truly appreciated her comfort and support. - Dec 31, 2025 by Kristin V.Click to read more
35.5 mi · 62 Corporate Park, Suite 130, Irvine, CA 92606
In-network · UnitedHealthcare
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: Wed, Oct 28

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
31 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
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, Oct 8
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Frequently asked questions

How can I make a same-day appointment with a Primary Care Doctor in Fontana who takes UnitedHealthcare insurance?

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

How can I find a Primary Care Doctor in Fontana who takes UnitedHealthcare?

Zocdoc lets you search specifically for a Primary Care Doctor in Fontana who takes UnitedHealthcare. 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 UnitedHealthcare Primary Care Doctor in Fontana?

Zocdoc is a free online service that helps patients find UnitedHealthcare Doctors in Fontana and book appointments instantly. You can search for UnitedHealthcare Doctors in Fontana by symptom or visit reason. 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 Fontana who takes UnitedHealthcare insurance?

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

How can I find a UnitedHealthcare Primary Care Doctor in Fontana who sees patients after hours?

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

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

You can use Zocdoc to find UnitedHealthcare Doctors in Fontana 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 Fontana?

Doctors in Fontana 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 UnitedHealthcare?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Doctors in Fontana who accept UnitedHealthcare 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 UnitedHealthcare Primary Care Doctor in Fontana 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 UnitedHealthcare Primary Care Doctor in Fontana who sees patients during the weekend?

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

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Zocdoc›Doctors›Orange County, CA›Fontana, CA›UnitedHealthcare