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315 verified UnitedHealthcare Doctors in Rancho Cucamonga, 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 06/05/2026
Availability last updated 06/05/2026

Esther Sung, APRN, RN

Family Nurse Practitioner (Virtual)
5.00
·7 reviews
- Sep 22, 2025 by Laura S.Click to read more
Chino, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more

Esther Sung, NP

Family Nurse Practitioner (Virtual)
5.00
·4 reviews
- Jun 3, 2025 by Danielle A.Click to read more
Chino, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Esther Sung, MSN, FNP-C, is a compassionate and dedicated Family Nurse Practitioner with a rich background in primary care, pediatrics, and community health. She earned her Bachelor's degrees from Loma Linda University Medical Center and California State University, East Bay, and completed her Maste...Click to read more

Shivani Sharma, NP

Family Nurse Practitioner (Virtual)
3.75
·4 reviews
The doctor was wonderful! she guided me through the process she answered all my questions and I felt heard and understood. I would definitely recommend her and return in the future - May 15, 2025 by Leahmontaine B.Click to read more
Chino, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more

Shivani Sharma, NP

Family Nurse Practitioner
3.75
·4 reviews
The doctor was wonderful! she guided me through the process she answered all my questions and I felt heard and understood. I would definitely recommend her and return in the future - May 15, 2025 by Leahmontaine B.Click to read more
7.5 mi · 5475 Walnut Ave, Chino, CA 91710
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more

Shivani Sharma, NP

Family Nurse Practitioner (Virtual)
3.75
·4 reviews
The doctor was wonderful! she guided me through the process she answered all my questions and I felt heard and understood. I would definitely recommend her and return in the future - May 15, 2025 by Leahmontaine B.Click to read more
Chino, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Ms. Shivani Sharma is a dedicated and compassionate family nurse practitioner who focuses on patient advocacy and education. She is based in Chino, CA, and provides both in-person and virtual consultations at Cajon Medical Group. Following her bachelor's degree at Samuel Merritt University, Ms. Sha...Click to read more

Esther Sung, APRN, RN

Family Nurse Practitioner
5.00
·7 reviews
- Sep 22, 2025 by Laura S.Click to read more
7.5 mi · 5475 Walnut Ave, Chino, CA 91710
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before y...Click to read more

Dr. Hemalatha Murugan, MD

Primary Care Doctor (Virtual)
Riverside, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in sepsis + 1 more

Dr. Mehul Sonawala, MD

Primary Care Doctor (Virtual)
4.78
·45 reviews
Doctor was very kind and very to the point. Answered all my questions and concerns. Thank you doctor! - Sep 27, 2024 by Andrew P.Click to read more
Riverside, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in anxiety disorders + 9 more ·
Read bio
Dr. Mehul Sonawala is an accomplished physician with expertise in Internal Medicine, Bioengineering, and Cardiology. He earned his Doctor of Medicine from the University of Mumbai and completed his residency in Internal Medicine at Los Angeles General Medical Center. Additionally, he holds an MD in ...Click to read more

Dr. Hemalatha Murugan, MD

Primary Care Doctor
15 mi · 4013 Brockton Ave, Riverside, CA 92501
In-network · UnitedHealthcare
Also offers video visitsAccepting new patientsExpertise in sepsis + 1 more

Dr. Mehul Sonawala, MD

Primary Care Doctor
4.78
·45 reviews
Doctor was very kind and very to the point. Answered all my questions and concerns. Thank you doctor! - Sep 27, 2024 by Andrew P.Click to read more
15 mi · 4013 Brockton Ave, Riverside, CA 92501
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in anxiety disorders + 9 more ·
Read bio
Dr. Mehul Sonawala is an accomplished physician with expertise in Internal Medicine, Bioengineering, and Cardiology. He earned his Doctor of Medicine from the University of Mumbai and completed his residency in Internal Medicine at Los Angeles General Medical Center. Additionally, he holds an MD in ...Click to read more

Dr. Mehul Sonawala, MD

Primary Care Doctor
4.85
·39 reviews
Doctor was very kind and very to the point. Answered all my questions and concerns. Thank you doctor! - Sep 27, 2024 by Andrew P.Click to read more
15 mi · 4013 Brockton Ave, Riverside, CA 92501
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in anxiety disorders + 9 more ·
Read bio
Dr. Mehul Sonawala is an accomplished physician with expertise in Internal Medicine, Bioengineering, and Cardiology. He earned his Doctor of Medicine from the University of Mumbai and completed his residency in Internal Medicine at Los Angeles General Medical Center. Additionally, he holds an MD in ...Click to read more

Dr. Paul Usborne, MD

Primary Care Doctor (Virtual)
4.78
·89 reviews
I would definitely recommend this doctor's office friendly staff very clean and accurate on timing !!! - Jan 20, 2023 by Daniel R.Click to read more
Covina, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Dr. Usborne is a Southern California native. He was born and raised in San Diego and graduated from Bonita Vista High School. He earned his undergraduate degree at the University of California, Davis. He received his doctorate degree from AUC School of Medicine and completed his post-graduate educat...Click to read more

Dr. Viet Mai, MD

Primary Care Doctor
17.5 mi · 500 W Badillo St, Covina, CA 91722
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience ·

Dr. Jing Chen, MD

Pediatrician
5.00
·35 reviews
I was very satisfied with the overall experience and care that was provided. Everyone was very friendly, kind, and patient. - Apr 3, 2024 by Cataleya M.Click to read more
11 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
Please note that this provider only sees children and adolescents under the age of 18. Dr. Jing Chen is a board-certified Pediatrician practicing the past 3 years in Southern California. She completed medical school at Creighton University School of Medicine before finishing her residency and inter...Click to read more

Dr. Jing Chen, MD

Pediatrician (Virtual)
5.00
·35 reviews
I was very satisfied with the overall experience and care that was provided. Everyone was very friendly, kind, and patient. - Apr 3, 2024 by Cataleya M.Click to read more
Chino Hills, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. Dr. Jing Chen is a board-certified Pediatrician practicing the past 3 years in Southern California. She completed medical school at Creighton University School of Medicine before finishing her residency and inter...Click to read more

Dr. Karen Kay G Alfonso, MD

Pediatrician
5.00
·1 review
11 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

Dr. Lauren Mamaril Wheeler, DO

Primary Care Doctor
4.88
·33 reviews
Dr Wheeler listened to my issues and did not rush through my appointment. I’m looking forward to continuing my care with her office. - Oct 2, 2025 by Renee C.Click to read more
19 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Lauren Wheeler is a board-certified family medicine physician, currently practicing in Anaheim Hills. She grew up in metropolitan Detroit, and completed medical school at Michigan State University. She finished residency at Loma Linda University, where she served as chief resident. Dr. Wheeler ...Click to read more

Dr. Jo Pitzer, MD

Primary Care Doctor
5.00
·39 reviews
I had a zoom appointment. The assistants called me as soon as I made the appointment to gather all of my information. I also received another phone call prior to the zoom call to make sure everything was in order. The Dr was very thorough and informative. - Oct 6, 2022 by Marcela Moncada M.Click to read more
19 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in insomnia + 7 more ·
Read bio
As a family practice physician, I strive to treat all patients with the highest level of compassion, care, and understanding. I enjoy caring for patients of all ages, and my goal is to provide the exceptional care that every patient deserves. I earned my Doctor of Medicine from the University of Pit...Click to read more

Dr. Ammar Dahodwala, MD

Primary Care Doctor
5.00
·30 reviews
19 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Ammar Dahodwala is a board-certified physician specializing in Internal Medicine and Pediatrics. Originally from South Jersey right outside Philadelphia (go Phillies, Eagles, and Sixers!), Dr. Dahodwala completed his medical school training at Cooper Medical School of Rowan University where he w...Click to read more

Dr. Lauren Mamaril Wheeler, DO

Primary Care Doctor (Virtual)
4.88
·33 reviews
Dr Wheeler listened to my issues and did not rush through my appointment. I’m looking forward to continuing my care with her office. - Oct 2, 2025 by Renee C.Click to read more
Anaheim, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Lauren Wheeler is a board-certified family medicine physician, currently practicing in Anaheim Hills. She grew up in metropolitan Detroit, and completed medical school at Michigan State University. She finished residency at Loma Linda University, where she served as chief resident. Dr. Wheeler ...Click to read more

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
19 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. Ammar Dahodwala, MD

Primary Care Doctor (Virtual)
5.00
·30 reviews
Anaheim, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Dr. Ammar Dahodwala is a board-certified physician specializing in Internal Medicine and Pediatrics. Originally from South Jersey right outside Philadelphia (go Phillies, Eagles, and Sixers!), Dr. Dahodwala completed his medical school training at Cooper Medical School of Rowan University where he w...Click to read more

Dr. Colette Shiu, MD

Primary Care Doctor
5.00
·36 reviews
great doctor,recommend! - Feb 25, 2025 by Ying L.Click to read more
20 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in high cholesterol + 2 more ·
Read bio
Dr. Colette Shiu is a caring primary care doctor serving people of all ages in Yorba Linda, CA. Her current practice location is St. Jude - Family Medicine. She is also a visiting affiliate at Saint Jude Medical Center. Being fluent in English and Chinese (Cantonese), Dr. Shiu accepts patients fro...Click to read more

Dr. Charlene Lin, MD

Primary Care Doctor (Virtual)
5.00
·30 reviews
Yorba Linda, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Dr. Charlene Lin completed medical school at Western Michigan University Homer Stryker MD School of Medicine followed by her internal medicine internship and residency training at Trinity Health Ann Arbor Hospital. Her areas of expertise and clinical interests include management of complex and chron...Click to read more

Dr. Charlene Lin, MD

Primary Care Doctor
5.00
·30 reviews
20 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Charlene Lin completed medical school at Western Michigan University Homer Stryker MD School of Medicine followed by her internal medicine internship and residency training at Trinity Health Ann Arbor Hospital. Her areas of expertise and clinical interests include management of complex and chron...Click to read more

Dr. Brian T Lai, DO

Primary Care Doctor (Virtual)
5.00
·33 reviews
- Sep 17, 2025 by Brenda M.Click to read more
Yorba Linda, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Brian Lai is a board-certified Family Medicine physician who is born and raised in Southern California. He completed medical school at Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in Pomona. After medical school, he completed his Family Medicine residency...Click to read more

Dr. Surin Alice Kim, MD

Primary Care Doctor
5.00
·30 reviews
20 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Surin Alice Kim is a board-certified family medicine physician practicing with St. Jude Heritage Medical Group in Yorba Linda, CA.Click to read more

Dr. Kiana Nouri, MD

Primary Care Doctor
5.00
·35 reviews
New patient so lot to cover listened to me and added comments have appointment for follow up and yearly checkup - Mar 17, 2023 by Peggy H.Click to read more
20 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute urinary tract infection + 5 more ·
Read bio
Dr. Kiana Nouri is a family medicine physician with St. Jude Heritage Medical Group. She earned her Doctor of Osteopathic Medicine degree from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific. Dr. Nouri completed both her internship and residency at Northridge Ho...Click to read more

Dr. Lina Kim, DO

Primary Care Doctor
4.79
·42 reviews
I am extremely pleased with Dr Kim. Very professional - Jan 19, 2023 by Thomas D.Click to read more
20 mi · 4300 Rose Dr, Ste S, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Kim is a board-certified family medicine physician who earned her Doctor of Osteopathic Medicine degree from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific. She completed both her internship and residency at Broward Health Medical Center. Dr. Kim believes i...Click to read more

Dr. Dean Okimoto, MD

Primary Care Doctor
5.00
·32 reviews
20 mi · 4300 Rose Dr, Ste P, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in acid reflux + 9 more ·
Read bio
There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the single most important thing I can do to keep your children and your community safe. I earned ...Click to read more

Dr. Therese Santos, DO

Primary Care Doctor
5.00
·33 reviews
Dr. Santos is the best doctor I've seen in a while. She was very thorough in her questions regarding my reason for visiting. She was kind and listened to my concerns and was proactive with ordering the tests I needed done.Click to read more
20 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Therese Santos is a board-certified family medicine physician with St. Jude Heritage Medical Group in Yorba Linda, California. She obtained her bachelor’s degree in kinesiology exercise science at CalState Long Beach and attended medical school at Western University of Health Sciences in Pomona,...Click to read more

Dr. Dean Okimoto, MD

Primary Care Doctor
5.00
·32 reviews
20 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in acid reflux + 9 more ·
Read bio
There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the single most important thing I can do to keep your children and your community safe. I earned ...Click to read more

Dr. Christin Jane Tee, MD

Primary Care Doctor
5.00
·31 reviews
20 mi · 4300 Rose Dr, Ste R, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Christin Tee is a board-certified Family Medicine physician who values comprehensive patient care. She grew up in Taiwan before moving to the U.S. at age 13. She completed medical school at Tulane University School of Medicine and finished her residency at Emanate Health in West Covina, CA. Dr....Click to read more

Dr. Judy Losco, DO

Primary Care Doctor
5.00
·33 reviews
Felt very taken care of. All around the kind of feeling you want to have when regarding your body and your health. Easy interface with MyChart, able to link all your medical records, and access to so much information just about every topic. - Mar 3, 2025 by Alexis S.Click to read more
20 mi · 4300 Rose Dr, Ste R, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in chronic high blood pressure + 3 more ·
Read bio
There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the single most important thing I can do to keep your children and your community safe. I earned ...Click to read more

Dr. Christin Jane Tee, MD

Primary Care Doctor (Virtual)
5.00
·31 reviews
Yorba Linda, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Christin Tee is a board-certified Family Medicine physician who values comprehensive patient care. She grew up in Taiwan before moving to the U.S. at age 13. She completed medical school at Tulane University School of Medicine and finished her residency at Emanate Health in West Covina, CA. Dr....Click to read more

Denette Munchel, PA-C

Physician Assistant
4.97
·31 reviews
- Feb 8, 2023 by Julie R.Click to read more
14 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 ·
Read bio
I have been a physician assistant specializing in family medicine-with a focus on women and children-since 1984. I earned my Bachelor's in Physician Assistant Studies from the University of Southern California, after completing my undergraduate degree at the University of California, Irvine. The fie...Click to read more

Dr. Saagar Raju, MD

Family Physician
5.00
·2 reviews
Great experience with the doctor - Feb 17, 2026 by David W.Click to read more
15 mi · 4013 Brockton Ave, Riverside, CA 92501
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 1 more ·
Read bio
Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before your visi...Click to read more

Debra Bogar, DNP

Family Nurse Practitioner
4.76
·33 reviews
Making the appt was easy, signing the docs was a click away on zocdoc and made the check in process quick, waited no more than 7mins. 10/10 Easy parking nice area by AMClick to read more
15 mi · 4013 Brockton Ave, Riverside, CA 92501
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Debra Bogar is an adept Family Nurse Practitioner with eight years of high-risk women's health experience and a Doctor of Nursing Practice (DNP) FNP-C degree from Loma Linda University Medical Center. With a track record of improving patient care, Debra excelled at Well-One Health Clinic, offering p...Click to read more

Dr. Maria Garcia De Benitez, MD

Family Physician
4.27
·11 reviews
Parking is behind the complex, so plan on parking and walking a little bit around. The 1st appointment requires a ton of paperwork to be completed - 2 packets worth! It took me 35 minutes just to get through it all. Therefore, you must plan to be there like at least 45 minutes early. The staff is ni...Click to read more
15 mi · 4013 Brockton Ave, Riverside, CA 92501
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure + 3 more ·
Read bio
Dr. Maria S. Garcia is a highly experienced and board-certified family physician with 25 years of medical practice. Originally from Mexico City, she earned her medical degree there before completing her Family Medicine residency in Texas. Throughout her career, Dr. Garcia has been deeply committed t...Click to read more

Vanessa Constantino, NP

Nurse Practitioner
3.17
·6 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
15.5 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patients

Dr. Samuel Yang, DO

Primary Care Doctor
5.00
·31 reviews
Very nice and professional staff! Everyone was so helpful making sure I got everything I needed. Absolutely the best! ZERO wait time! Doctor came to check in on me within five minutes of being sat. - Aug 27, 2025 by Dasom K.Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Samuel Yang is a board-certified family physician with Providence St. Jude Heritage Medical Group. He completed medical school at Touro College of Osteopathic Medicine before finishing residency and internship at Loma Linda University Medical Center. His clinical areas of interest include everyt...Click to read more

Dr. Jorge Galdamez, MD

Primary Care Doctor
5.00
·37 reviews
What a refreshing and pleasant experience Dr Galdamez is a clear communicator and he spent time going over every important detail. Much appreciated, thank you - Feb 7, 2024 by Richard P.Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · 25 years of experience · Highly recommended · Expertise in chronic diabetes + 3 more ·
Read bio
Dr. Jorge Galdamez is a family medicine doctor in Santa Ana, California. He earned his Doctor of Medicine degree from the University of California, San Diego School of Medicine and completed both his internship and residency at the University of California, Irvine. Dr. Galdamez has been in practice ...Click to read more

Dr. Andrew Thua Thang Ngo, MD

Primary Care Doctor (Virtual)
5.00
·30 reviews
Brea, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Dr. Andrew Ngo is a board-certified Family Medicine physician who has been practicing in Southern California for several years. He completed medical school at Saint Louis University School of Medicine before finishing his residency at PIH Health Whittier Family Medicine Residency Program. He was one...Click to read more

Dr. So La Lee, MD

Primary Care Doctor
5.00
·30 reviews
22.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. So La Lee is a primary care physician practicing in Orange County, CA.Click to read more

Dr. Mariam Moosa Ali, DO

Primary Care Doctor (Virtual)
4.83
·36 reviews
The specialties listed are not accurate. It was a waste of time, and she told me to find someone more local. - Dec 9, 2025Click to read more
Brea, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Ali is board certified in Family Medicine and completed her residency training at Emanate Health in West Covina, California. She values establishing long-lasting relationships with her patients and creating a positive environment to help patients improve and manage their health. Dr. Ali treats a...Click to read more

Dr. Angelia Sidarta, DO

Primary Care Doctor
5.00
·40 reviews
She listened and worked with me to get to my health goals. - Feb 23, 2023Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 200, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in atrial fibrillation and atrial flutter + 4 more ·
Read bio
It is a wonderful experience to provide medical care for my patients through every stage of life, from the simple cold to chronic medical problems. Getting to know my patients is a treasured privilege. Excellent care starts with listening carefully and understanding a patient's needs and hopes. It i...Click to read more

Dr. Mariam Moosa Ali, DO

Primary Care Doctor
4.83
·36 reviews
The specialties listed are not accurate. It was a waste of time, and she told me to find someone more local. - Dec 9, 2025Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Ali is board certified in Family Medicine and completed her residency training at Emanate Health in West Covina, California. She values establishing long-lasting relationships with her patients and creating a positive environment to help patients improve and manage their health. Dr. Ali treats a...Click to read more

Dr. Biren Shah, MD

Primary Care Doctor
5.00
·33 reviews
- Mar 30, 2023 by Nicholas R.Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 200, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 9 more ·
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Dr. Biren Shah is a family medicine doctor in Brea, California, affiliated with St. Jude Medical Center. He earned his Doctor of Medicine degree from the American University of the Caribbean School of Medicine. Dr. Shah completed both his internship and residency at the University of Kansas Medical ...Click to read more

Dr. Samuel Yang, DO

Primary Care Doctor (Virtual)
5.00
·31 reviews
Very nice and professional staff! Everyone was so helpful making sure I got everything I needed. Absolutely the best! ZERO wait time! Doctor came to check in on me within five minutes of being sat. - Aug 27, 2025 by Dasom K.Click to read more
Brea, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Dr. Samuel Yang is a board-certified family physician with Providence St. Jude Heritage Medical Group. He completed medical school at Touro College of Osteopathic Medicine before finishing residency and internship at Loma Linda University Medical Center. His clinical areas of interest include everyt...Click to read more

Dr. Andrew Thua Thang Ngo, MD

Primary Care Doctor
5.00
·30 reviews
22.5 mi · 955 W Imperial Hwy, Ste 200, Brea, CA 92821
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Andrew Ngo is a board-certified Family Medicine physician who has been practicing in Southern California for several years. He completed medical school at Saint Louis University School of Medicine before finishing his residency at PIH Health Whittier Family Medicine Residency Program. He was one...Click to read more

Dr. Robert Ranney, MD

Primary Care Doctor
4.95
·39 reviews
Great appointment. I am thankful that ZocDoc hooked me up?? - Sep 14, 2023 by Thomas W.Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in chronic anemia + 8 more ·
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Preventive care is where Dr. Ranney's practice begins. He believes that helping his patients achieve good health means educating them on living a healthy lifestyle. The best way to treat disease is to prevent it from ever occurring. Dr. Ranney chose to pursue a career in medicine because of his inte...Click to read more

Dr. Soo Park, DO

Primary Care Doctor
5.00
·49 reviews
Dr. Park was great! She was friendly and made sure all my questions were answered. I will definitely be going to her from now on. - Dec 27, 2024 by Daniel C.Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 2 more ·
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As a primary care physician within the field of Family Medicine, I value continuity of care and the opportunity to use a comprehensive skillset to adapt to the specific needs of any patient. I earned my Doctor of Osteopathic Medicine degree from Western University of Health Sciences, College of Oste...Click to read more

Dr. Marlene Mires, MD

Primary Care Doctor
5.00
·34 reviews
It was a great experience! Dr. Mires was very pleasant and helpful. I felt very comfortable at the visit. - Mar 14, 2024 by Joana M.Click to read more
22.5 mi · 955 W Imperial Hwy, Ste 200, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · 20 years of experience · Highly recommended · Excellent wait time · Expertise in lower back pain + 4 more ·
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I have always had an interest in preventative medicine and enjoy seeing people of all ages. My interests also lie in women's health. I completed my medical education at Universidad Autónoma de Guadalajara Facultad de Medicina Tabasco, followed by internships at New York Medical College and Saint Vin...Click to read more

Dr. Wilfredo Alejo, MD

Pediatrician
5.00
·32 reviews
- Mar 9, 2023 by Le W.Click to read more
16 mi · 1514 Valley Vista Dr, Diamond Bar, CA 91765
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
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There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the single most important thing I can do to keep your children and your community safe. If you ch...Click to read more

Dr. Sandra Mathur, DO

Pediatrician (Virtual)
5.00
·30 reviews
Diamond Bar, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended ·
Read bio
Parents quickly realize that I am passionate about what I do: being a pediatrician has been my dream since I was 3 years old I am completely committed to each child’s health and well-being, and care for my patients as if they were my own If there is a problem, I will do everything in my power to fix...Click to read more
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Average time it takes to be seen by a provider

Doctor
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Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
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10/10!!!! I woke up on Sunday with severe wisdom tooth pain. I was able to make an early appointment Monday morning...So so happy with my experience!
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Frequently asked questions

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

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

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

Zocdoc lets you search specifically for a Primary Care Doctor in Rancho Cucamonga 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 Rancho Cucamonga?

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

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

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

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

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

You can use Zocdoc to find UnitedHealthcare Doctors in Rancho Cucamonga 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 Rancho Cucamonga?

Doctors in Rancho Cucamonga 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 Rancho Cucamonga 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 Rancho Cucamonga who sees patients in the morning or evening?

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How can I find a UnitedHealthcare Primary Care Doctor in Rancho Cucamonga who sees patients during the weekend?

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