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315 verified UnitedHealthcare Doctors in Fullerton, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providersInsurance logo
Availability last updated 10/23/2026
Availability last updated 10/23/2026

Dr. Simon Kim, DO

Primary Care Doctor
4.97
·34 reviews
Very thorough, kind, and explains medical answers really well. by BPClick to read more
2.5 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. Alexander Tran, DO

Primary Care Doctor
4.88
·64 reviews
Detail oriented, great care, helpful staff and doctor. by BPClick to read more
2.5 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. Divneet Wadhwa, MD

Primary Care Doctor
5.00
·16 reviews
Dr. Wadhwa is very patient, attentive and thorough. by AYClick to read more
3 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

Dr. Howard Pyo, DO

Family Physician
4.88
·1382 reviews
Dr is a great caring Dr. the Dr I’ve been looking for. - Jun 21, 2024 by Victoria Z.Click to read more
2.5 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

Carbon Health Urgent Care - La Habra

Urgent Care Clinic
4.91
·66 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
2.5 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. Mohammad Nabulsi, MD

Primary Care Doctor
4.93
·69 reviews
Professional and helpful, medium wait time for actual video appointment - Sep 7, 2022 by Brian B.Click to read more
3.5 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. Minh Trang Tran, MD

Primary Care Doctor
5.00
·30 reviews
3.5 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. Sadia Moinuddin, MD, DABOM

Primary Care Doctor
4.74
·97 reviews
Doctor sadia is the best doctor I have ever had she is very caring an attentive I will recomend her by SPClick to read more
8.5 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

Dr. Brian T Lai, DO

Primary Care Doctor
5.00
·33 reviews
5 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
Quick Efficient Contacted RX for my prescriptions right after my appointment - Feb 11, 2024Click to read more
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. Paola Ortiz, MD

Primary Care Doctor
4.60
·94 reviews
Very friendly staff and listen to everything that I said and answered my questions about what I was going through. - Jan 23, 2025 by Javier J.Click to read more
8.5 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: Wed, Oct 28

Dr. Meisam Fekri, MD

Primary Care Doctor
4.81
·255 reviews
The doctor took his time to go over all my questions and review labs. He was thorough and very friendly. - Apr 15, 2026 by Brian B.Click to read more
12.5 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. Cynthia Chen-Joea, DO, FAAFP, MPH

Primary Care Doctor
4.85
·158 reviews
Dr. Chen was kind and understanding, I feel a bit better having talked to her by RDClick to read more
8.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
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. Cynthia Chen-Joea is a highly skilled family physician in Norwalk, CA. She offers in-person and virtual services at Copa ...Click to read more
Next available: Thu, Nov 5

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
10.5 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

Carbon Health Urgent Care - Cerritos

Urgent Care Clinic
4.77
·79 reviews
I was in and out in 20 mns showed up earlier and was seen right away - Oct 21, 2025 by Elizabeth M.Click to read more
7 mi · 13299 South St, Cerritos, CA 90703
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to make high-quality, inclusive, and personal healthcare accessible to all. Our convenient urgent care locations treat a full spectrum of health needs, including cold, COVID and flu symptoms, urinary tract infections, sinus infections, abdomi...Click to read more
Next available: today

Dr. Vincent Pan, DO

Primary Care Doctor
4.88
·16 reviews
8.5 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
8.5 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

Carbon Health Urgent Care - Cypress

Urgent Care Clinic
4.82
·74 reviews
Great experience didn’t wait long great staff and they were able to flush my ears out in a timely manner - Mar 13, 2026 by Lucia V.Click to read more
8 mi · 10165 Valley View St, Cypress, CA 90630
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. Jenny Wang, DO

Primary Care Doctor
8.5 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

Dr. Jon Kramer, MD

Pediatrician
5.00
·31 reviews
5 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

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·9 reviews
I had an excellent experience with Dr. Levitt today. From the moment the appointment began, she was incredibly pleasant, kind, and welcoming, which immediately put me at ease. What stood out the most was how much she cared about getting the full picture of my health. Dr. Levitt took the time to t...Click to read more
3.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Wed, Nov 11

Dr. Larissa Isterabadi, MD

Pediatrician
4.97
·32 reviews
5 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. 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
10.5 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

Carbon Health Urgent Care - Whittier

Urgent Care Clinic
4.94
·84 reviews
They were very thorough. - May 18, 2023 by Jerry G.Click to read more
9 mi · 11806 Whittier Blvd, Whittier, CA 90601
In-network · UnitedHealthcare
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
4.85
·495 reviews
Great location, great office staff & the doctor was very kind and listened to my concerns.Click to read more
12.5 mi · 11100 Warner Ave, Ste 110, Fountain Valley, CA 92708
In-network · UnitedHealthcare
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: Mon, Oct 26

Dr. David Joung, MD

Pediatrician
5.00
·31 reviews
5 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

Carbon Health Urgent Care - Los Alamitos

Urgent Care Clinic
4.74
·77 reviews
Everyone was so professional and friendly, love it there. - May 31, 2026 by Kim A.Click to read more
10 mi · 3851 Katella Ave, Ste 100, Los Alamitos, CA 90720
In-network · UnitedHealthcare
Accepting new patients ·
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. Aaron Lin, DO

Primary Care Doctor
4.94
·52 reviews
It was a virtual appointment and i don’t know why zocdoc asks me for office review. Dr Lin was amazing friendly and knowledgeable. His assistants were nice and friendly over the phone too. - May 15, 2022 by Ronnie A.Click to read more
11 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. 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
11 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. Kim Ngan Ngoc Tran, DO

Primary Care Doctor
5.00
·30 reviews
11 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. Lilian Li, DO

Primary Care Doctor
4.60
·30 reviews
11 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. Marco Paez, MD

Gastroenterologist
4.86
·85 reviews
The staff is friendly and proffessional. The Dr is thorough and kind. - Sep 16, 2026 by Paula S.Click to read more
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. Marienelle Banez, MD

Pediatrician
5.00
·30 reviews
5 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. 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
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. Henry Cheng, MD

Family Physician
4.64
·120 reviews
I like the doctor, He is professional, and most important thing is he can speak some Chinese, that helps a lot for the communication. - May 25, 2017 by Wenting L.Click to read more
9.5 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

Samantha Savage, RN

Family Nurse Practitioner
4.90
·29 reviews
Friendly & Professional Staff. Very Knowledgeable! by EDClick to read more
8.5 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
Ms. Samantha Savage is a highly skilled family nurse practitioner from Norwalk, CA. She serves patients at Copa De Oro Medical Group. Ms. Savage earned her master's degree in nursing from the University of San Diego. She takes a practical and collaborative approach, working closely with each indivi...Click to read more
Next available: Wed, Oct 28

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
15 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. Marta Sarmiento, MD

Pediatrician
4.85
·33 reviews
Great doctor and staff. Highly recommended for parents seeking for new pediatric doctor. - Oct 13, 2022 by Aaron T.Click to read more
8.5 mi · 725 W La Veta Ave, Ste 240, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Marta Sarmiento is a dedicated and diligent pediatrician serving the community of Orange, CA. She earned her Doctor of Medicine degree from the University of California, Irvine. Dr. Sarmiento runs her own practice, where she provides care for annual physicals, preventative care and immunizati...Click to read more

Dr. Karoline Wang, MD

Primary Care Doctor
4.84
·38 reviews
Friendly professional - Sep 5, 2025 by Antonio N.Click to read more
14.5 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

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
9.5 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
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Zocdoc lets you search specifically for a Primary Care Doctor in Fullerton 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 Fullerton?

Zocdoc is a free online service that helps patients find UnitedHealthcare Doctors in Fullerton and book appointments instantly. You can search for UnitedHealthcare Doctors in Fullerton 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 Fullerton who takes UnitedHealthcare insurance?

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

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

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

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

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

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

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

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