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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 10/23/2026
Availability last updated 10/23/2026

Carbon Health Urgent Care - Rancho Cucamonga

Urgent Care Clinic
4.76
·103 reviews
They need a primary doctor at the office. - Jan 24, 2023 by Jose S.Click to read more
6 mi · 7831 Monticello Ave, Ste 1102, Rancho Cucamonga, CA 91739
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. Rishi Majithia, MD

Primary Care Doctor
4.80
·361 reviews
Takes the time to listen and review concern’s and communicates well. - Mar 13, 2025Click 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: today

Dr. Azhar Majeed, MD, FACP

Primary Care Doctor
4.80
·137 reviews
It was a short video chat and it went really well. by David S.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, Dec 3

Carbon Health Urgent Care - Eastvale

Urgent Care Clinic
4.82
·74 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
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

Dr. Matthew Rikio Murayama, DO

Primary Care Doctor
4.88
·34 reviews
My video visit with Dr. Murayama was smooth. He communicated clearly and addressed all my concerns. - Oct 2, 2025 by Lavanya R.Click to read more
17 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
* Patients between the ages of 12-17 should contact the office to schedule an appointment. * Dr. Matthew Murayama is a Family Medicine physician who completed his residency training in the Inland Empire in 2024. He received his medical degree from Western University COMP in Pomona, CA before comple...Click to read more
Next available: Tue, Nov 24

Dr. Lubna Isho, DO

Primary Care Doctor
4.82
·251 reviews
The friendly nature of the medical center and the staff were good. I appreciate Dr Lubna Isho because she knows her job. - Dec 12, 2023 by Grace S.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, Nov 18

Carbon Health Urgent Care - Corona

Urgent Care Clinic
4.86
·86 reviews
Made an appointment early morning. Got in fast. Very friendly staff by Theresa K.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. Natalie Garcia-Montoya, MD

Primary Care Doctor
4.89
·47 reviews
I had a great experience! The staff was very friendly and my doctor really took her time to address my concerns. I was also seen right away! - Aug 20, 2024 by Lizzette M.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
Next available: Mon, Oct 26

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: Mon, Nov 23

Dr. Kim Ngan Ngoc Tran, DO

Primary Care Doctor
5.00
·30 reviews
22 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in chronic high blood pressure + 6 more ·
Read bio
Dr. Kim Tran is a board-certified Family Medicine physician. After graduating from University of California, Irvine in 2011, she went on to complete medical school at Lake Erie College of Osteopathic Medicine in Erie, PA and residency training at Sisters of Charity Hospital in Buffalo, NY, where she...Click to read more
Next available: Tue, Nov 24

Dr. Eric Lee, DO

Primary Care Doctor
4.91
·77 reviews
Great, patient communicator. Will go back to him next year for my physical. - Dec 17, 2024Click 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 ·
Read bio
Dr. Eric Lee is a family physician and primary care doctor. He is a part of St. Jude - Family Medicine in Diamond Bar, CA. He treats a range of common illnesses and also offers consultations and check-ups as part of his services. Dr. Lee earned his medical degree from A. T. Still University. He co...Click to read more
Next available: Tue, Nov 24

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: Tue, Nov 3

Dr. Lilian Li, DO

Primary Care Doctor
4.60
·30 reviews
22 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Lilian Li is a family medicine physician with St. Jude Heritage Medical Group practicing in Diamond Bar, CA.Click to read more
Next available: Tue, Dec 1

Dr. Meisam Fekri, MD

Primary Care Doctor
4.81
·255 reviews
The doctor was attentive to my needs and helpful. If you’re in the area and need a doctor. Dr. Fekri is worth visiting! - Jan 31, 2025 by Marwan S.Click to read more
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: today

Dr. Simon Kim, DO

Primary Care Doctor
4.97
·34 reviews
Very patient and attentive. Great doctor - would recommend to others! by EWClick 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

Amaka Iheaka, RN

Adult Psychiatric & Mental Health Nurse Practitioner (Virtual)
Corona, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Ms. Amaka Iheaka is an adult psychiatric and mental health nurse practitioner at Compass Center for Wellness in Corona, CA. She offers in-person and virtual consultations to patients aged 18 and above facing mental health challenges affecting their quality of life. Ms. Iheaka attentively listens to...Click to read more
Next available: Tue, Dec 1

Dr. Alexander Tran, DO

Primary Care Doctor
4.88
·64 reviews
It was very efficient while addressing all of my concerns. by BDClick 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: Thu, Nov 19

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. Henry Cheng, MD

Family Physician
4.64
·120 reviews
Punctual, friendly and helpful! Presented with a variety of options going forward and out in less than 1 hour. Excellent! - Nov 2, 2018 by Cameron J.Click to read more
26 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
In-network · UnitedHealthcare
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, Oct 26

Dr. Lloydette Brewah, DNP

Adult Psychiatric & Mental Health Nurse Practitioner (Virtual)
4.71
·14 reviews
She made me feel comfortable and was very communicative. I had a great experience especially with this being my first time. by OSClick to read more
Apple valley, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ms. Lloydette Brewah is an experienced adult psychiatric and mental health nurse practitioner at Precision Wood & Psychiatry Inc. She offers virtual consultations to improve access to quality care. Ms. Brewah addresses and treats a wide range of mental health conditions. Patients value her expertis...Click to read more
Next available: today

Dr. Divneet Wadhwa, MD

Primary Care Doctor
5.00
·16 reviews
They put the ‘care’ in healthcare. Phenomenal staff, impeccable Doctor, and a clear understanding of what you’re in for! - Oct 16, 2026 by Malina P.Click 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
Now accepting new patients, with Saturday appointments available! Book your visit and discover personalized care at Westlight Medical Group. Dr. Wadhwa founded Westlight with a simple belief: exceptional healthcare begins with a personal connection. She takes time to listen, understand your concern...Click to read more
Next available: Fri, Oct 30

Angela Huusfeldt, APRN, RN, NP

Family Nurse Practitioner
4.79
·19 reviews
Angela was very kind and offered great advice. I never felt judged at all and she shared some helpful ideas! - Jul 21, 2026 by Meagan P.Click to read more
26 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
In-network · UnitedHealthcare
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, Oct 26

Dr. Howard Pyo, DO

Family Physician
4.88
·1382 reviews
One of the best doctors I've experienced in many years and many doctors. Smart advice, simple & straightforward. - Jul 21, 2024 by Patricia B.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
DISCLAIMER: Pyo Clinic is a learning facility but patient permission is ALWAYS sought before we include residents/students in their care. You can request that you are seen only by Dr Pyo without resident or student involvement as we fully respect your choice. Dr. Howard Pyo is a board-certified fam...Click to read more
Next available: today

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: Mon, Oct 26

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: Wed, Nov 11

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: Tue, Oct 27

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: Thu, Oct 29

Dr. Karoline Wang, MD

Primary Care Doctor
4.84
·38 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, Nov 10

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: Tue, Nov 24

Dr. Michael Truong, MD

Primary Care Doctor
4.97
·99 reviews
Dr. Truong was great as well as the entire staff. Johnny was extremely helpful. Really enjoyed my first visit there.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, Nov 10

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: Tue, Nov 17

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, Nov 18

Dr. Jenny Wang, DO

Primary Care Doctor
32.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
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: Fri, Nov 20

Carbon Health Urgent Care - La Habra

Urgent Care Clinic
4.91
·66 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
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. Farhad Nassiri Afshar, MD

Primary Care Doctor
4.94
·33 reviews
Dr Afshar gently checked my heart and lung sound with his Stethoscope, palpate and checked my abdomen also my lower extremities, gave his advise and recommendation in a manner you easily understand. A very simple and professional MD highly recommended. - Feb 4, 2026 by Teodoro E.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 27

Dr. Marienelle Banez, MD

Pediatrician
5.00
·30 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 ·
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 sin...Click to read more
Next available: Tue, Dec 1

Dr. Marco Paez, MD

Gastroenterologist
4.86
·85 reviews
Dr Paez and his staff were very friendly and professional - Sep 9, 2026 by Debra L.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: Wed, Nov 25

Dr. Christina Steinhauser, DO

Gastroenterologist
4.98
·122 reviews
Dr. Steinhauser is pure joy bundled up an adorable woman, which was absolutely unexpected when scheduling a colonoscopy. ?? Her demeanor makes it feel like you're chit-chatting with one of your girlfriend, all the while she is delivering all the necessary information. I'm so grateful to have found a...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: Wed, Dec 9

Dr. Sadia Moinuddin, MD, DABOM

Primary Care Doctor
4.74
·97 reviews
Very friendly staff, clear communication & they listened very well to my concerns regarding my health - Aug 6, 2026 by Tessa L.Click to read more
38.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
In-network · UnitedHealthcare
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: Wed, Oct 28
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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