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315 verified UnitedHealthcare Doctors in Diamond Bar, 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

Bridget Jemison, PA-C

Physician Assistant
4.78
·247 reviews
She was great! Put me at ease and patiently answered my questions. I’d defintely recommend! - May 24, 2025Click to read more
34 mi · 6222 W Manchester Ave, Ste A, Los Angeles, CA 90045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
California native. Earned a Bachelor of Science degree in Biology from California State Dominguez Hills and a Bachelor's in Physician Assistant Studies from Charles R. Drew University of Medicine and Science. I have 10 years of combined experience as a Certified Physician Assistant/Associate in area...Click to read more
Next available: Mon, Oct 26

Dr. Reut Pagi, MD

Pediatrician
4.95
·160 reviews
Excellent service, fantastic professional doctor. Would recommend her highly!. by OHClick to read more
32.5 mi · 8500 Wilshire Blvd, #917, Beverly Hills, CA 90211
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
My 1st Clinic specializes in both general pediatrics and pediatric nephrology. We believe in caring for the whole child to support and nurture all aspects of their development. Our clinic takes the time to get to know each family and partners with parents to provide the best personalized, long-term ...Click to read more
Next available: Wed, Nov 4

Dr. Meena Dopp, MD

Primary Care Doctor (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Dr. Meena Dopp is a double board-certified physician in Internal Medicine and Preventive Medicine who is passionate about helping patients achieve optimal health through personalized, proactive medical care. Dr Dopp believes the best healthcare not only treats illness but also prevents disease, exte...Click to read more

Carbon Health Urgent Care - Santa Monica

Urgent Care Clinic
4.84
·113 reviews
Kelly and Isaí take the time to lessen and explain - Mar 19, 2023 by Angelica A.Click to read more
38 mi · 3032 Wilshire Blvd, Ste A, Santa Monica, CA 90403
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

Nicole Sugumaran, PA

Physician Assistant (Virtual)
5.00
·9 reviews
I had a great experience with Nicole Sugumaran, PA. She was very attentive, thorough, and took the time to listen and explain everything clearly. I highly recommend her for anyone looking for a knowledgeable and caring provider. - Oct 27, 2025 by Leigh W.Click to read more
Beverly Hills, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
*Please note: Circle Medical is unable to see patients who are on a Medicaid or MediCal insurance plan, as it could result in you losing your insurance coverage. If after booking with us it is found that you have a plan that is part of Medicaid or MediCal, your appointment will be cancelled.* Ni...Click to read more
Next available: Mon, Oct 26

Angeline Haygood, PA

Physician Assistant (Virtual)
5.00
·6 reviews
Very attentive - Jan 7, 2026 by Konstantina S.Click to read more
Beverly Hills, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in lower back pain ·
Read bio
*Please note: Circle Medical is unable to see patients who are on a Medicaid or MediCal insurance plan, as it could result in you losing your insurance coverage. If after booking with us it is found that you have a plan that is part of Medicaid or MediCal, your appointment will be cancelled.* An...Click to read more
Next available: Mon, Oct 26

Dr. Samantha Mohammad, MD

Primary Care Doctor
5.00
·6 reviews
Nurse Esperanza and Dr. Mohammad were wonderful and the front desk crew were lovely. I arrived for my appointment and finished online intake forms I’d forgotten to do and I was seen within 10 mins of arrival. Queer friendly space and people <3 - Aug 23, 2026 by Rachel Z.Click to read more
38.5 mi · 9043 Woodman Ave, Ste C, Arleta, CA 91331
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
As a board-certified Family Medicine physician, Dr. Mohammad is passionate about helping individuals and families achieve their best health while building lasting relationships with patients. Her approach to care is collaborative, evidence-based, and culturally sensitive, with a strong focus on pati...Click to read more
Next available: Wed, Nov 11

Dr. Sahar Raheel, MD

Pediatrician
33.5 mi · 3475 Torrance Blvd, Ste A, Torrance, CA 90503
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Sahar Raheel, MD, is a board-certified pediatrician who was born and raised in Southern California. Before entering the field of medicine, Dr. Raheel spent a few years as a high school teacher, which continues to shape her approach to patient care today. She is dedicated to building lasting relation...Click to read more
Next available: Thu, Oct 29

Dr. Parvita Panchal, MD

Primary Care Doctor
4.87
·46 reviews
Great service. Clean office - Jun 12, 2024 by Christina L.Click to read more
0.5 mi · 253 S. Diamond Bar Blvd, Diamond Bar, CA 91765
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I am excited to be back in my hometown of Diamond Bar to serve my community as your doctor! As your physician, I will partner with you to help optimize your health. My goal is to work with you using different evidence-based modalities to manage and, more importantly, prevent chronic diseases. I s...Click to read more

Dr. Paul Usborne, MD

Primary Care Doctor (Virtual)
4.78
·91 reviews
Great doctor! Made my visit very pleasant. I'll be going here for Dr. Usbourne from now on - Mar 10, 2017 by John M.Click to read more
Covina, CA
In-network · UnitedHealthcare
Accepting new patients · 24 years of experience · Offers video visits · Excellent wait time · Expertise in lower back pain + 9 more ·
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. Paul Usborne, MD

Primary Care Doctor
4.78
·91 reviews
Great doctor! Made my visit very pleasant. I'll be going here for Dr. Usbourne from now on - Mar 10, 2017 by John M.Click to read more
6.5 mi · 256 W San Bernardino Rd, Covina, CA 91723
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 24 years of experience · Excellent wait time · Expertise in lower back pain + 9 more ·
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
6.5 mi · 500 W Badillo St, Covina, CA 91722
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience ·

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
7 mi · 5475 Walnut Ave, Chino, CA 91710
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. Sushma Sadula, MD

Primary Care Doctor (Virtual)
4.45
·73 reviews
Dr. Sadula was lovely, and I’m so excited to start my care with her! She’s knowledgeable, thorough, and ordered an extensive panel of labs that made me feel confident we’re taking a comprehensive approach to my health. The only downside was that I booked the appointment through Zocdoc for an annual ...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 yo...Click to read more

Dr. Sushma Sadula, MD

Primary Care Doctor (Virtual)
4.49
·70 reviews
Dr. Sadula was lovely, and I’m so excited to start my care with her! She’s knowledgeable, thorough, and ordered an extensive panel of labs that made me feel confident we’re taking a comprehensive approach to my health. The only downside was that I booked the appointment through Zocdoc for an annual ...Click to read more
Chino, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
I’m Dr. Sushma Sadula, a board-certified family medicine physician with a special focus on women’s health. My medical journey began in medical school in India and continued through a family medicine residency in Chino, California. Over the past five years, I’ve dedicated myself to helping women achi...Click to read more

Dr. Hemalatha Murugan, MD

Primary Care Doctor (Virtual)
4.25
·4 reviews
Staff was very nice. Doctor listened to my concerns thoroughly - Oct 29, 2025 by Brenda H.Click to read more
Chino, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in sepsis + 1 more ·
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 yo...Click to read more

Dr. Hemalatha Murugan, MD

Primary Care Doctor
4.25
·4 reviews
Staff was very nice. Doctor listened to my concerns thoroughly - Oct 29, 2025 by Brenda H.Click to read more
7 mi · 5475 Walnut Ave, Chino, CA 91710
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Expertise in sepsis + 1 more ·
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 yo...Click to read more

Dr. Hemalatha Murugan, MD

Primary Care Doctor
7 mi · 5475 Walnut Ave, Chino, CA 91710
In-network · UnitedHealthcare
Also offers video visitsAccepting new patientsExpertise in sepsis + 1 more

Dr. Sushma Sadula, MD

Primary Care Doctor
4.45
·73 reviews
Dr. Sadula was lovely, and I’m so excited to start my care with her! She’s knowledgeable, thorough, and ordered an extensive panel of labs that made me feel confident we’re taking a comprehensive approach to my health. The only downside was that I booked the appointment through Zocdoc for an annual ...Click to read more
7 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 yo...Click to read more

Dr. Sushma Sadula, MD

Primary Care Doctor
4.49
·70 reviews
Dr. Sadula was lovely, and I’m so excited to start my care with her! She’s knowledgeable, thorough, and ordered an extensive panel of labs that made me feel confident we’re taking a comprehensive approach to my health. The only downside was that I booked the appointment through Zocdoc for an annual ...Click to read more
7 mi · 5475 Walnut Ave, Chino, CA 91710
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
I’m Dr. Sushma Sadula, a board-certified family medicine physician with a special focus on women’s health. My medical journey began in medical school in India and continued through a family medicine residency in Chino, California. Over the past five years, I’ve dedicated myself to helping women achi...Click to read more

Dr. Mehul Sonawala, MD

Primary Care Doctor (Virtual)
4.85
·39 reviews
nice visit,kind doctor and assistant - Feb 7, 2025 by Louise L.Click to read more
Chino, 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
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 visit...Click to read more

Dr. Hemalatha Murugan, MD

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

Dr. Mehul Sonawala, MD

Primary Care Doctor
4.85
·39 reviews
nice visit,kind doctor and assistant - Feb 7, 2025 by Louise L.Click to read more
7 mi · 5475 Walnut Ave, Chino, CA 91710
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
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 visit...Click to read more

Dr. Matthew Rikio Murayama, DO

Primary Care Doctor (Virtual)
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
Chino Hills, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · 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

Dr. Melvin Kantono, DO

Primary Care Doctor
5.00
·30 reviews
8 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Melvin Kantono believes incorporating preventative medicine and building close relationships with his patients are key to living a healthier lifestyle. Outside of medicine, he enjoys calisthenics, airsoft, and traveling.Click to read more

Dr. Sarom Pyun, MD

Primary Care Doctor
4.95
·38 reviews
Great experience! My doctor was kind and informative. Would recommend - Aug 28, 2024 by Sarah R.Click to read more
8 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 3 more ·
Read bio
My primary goals in medicine are providing compassionate, evidence-based care to all patients. I enjoy patient education and preventative care and believe that understanding one's health leads to better health outcomes. I earned my Doctor of Medicine from the University of California, Irvine, and co...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
9 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. Charlene Lin, MD

Primary Care Doctor
5.00
·30 reviews
9 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. Jim Tran, DO

Primary Care Doctor
5.00
·33 reviews
9 mi · 4300 Rose Dr, Ste Q, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in atrial fibrillation and atrial flutter + 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. 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. Brian T Lai, DO

Primary Care Doctor (Virtual)
5.00
·33 reviews
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. Dean Okimoto, MD

Primary Care Doctor
5.00
·32 reviews
9 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. 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
9 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. 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
9 mi · 4300 Rose Dr, Ste S, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in chronic high blood pressure + 2 more ·
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. Surin Alice Kim, MD

Primary Care Doctor
5.00
·30 reviews
9 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. Christin Jane Tee, MD

Primary Care Doctor
5.00
·31 reviews
9 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. Colette Shiu, MD

Primary Care Doctor
5.00
·36 reviews
great doctor,recommend! - Feb 25, 2025 by Ying L.Click to read more
9 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. 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
9 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. Dean Okimoto, MD

Primary Care Doctor
5.00
·32 reviews
9 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. 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

Dr. Wilfredo Alejo, MD

Pediatrician (Virtual)
5.00
·32 reviews
Diamond Bar, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time ·
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. 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

Dr. Sandra Mathur, DO

Pediatrician
5.00
·30 reviews
3 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 ·
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

Dr. Wilfredo Alejo, MD

Pediatrician
5.00
·32 reviews
3 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 ·
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. If you ch...Click to read more

Dr. Hemalatha Murugan, MD

Primary Care Doctor (Virtual)
4.25
·4 reviews
Staff was very nice. Doctor listened to my concerns thoroughly - Oct 29, 2025 by Brenda H.Click to read more
Upland, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in sepsis + 1 more ·
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 yo...Click to read more

Dr. Hemalatha Murugan, MD

Primary Care Doctor
4.25
·4 reviews
Staff was very nice. Doctor listened to my concerns thoroughly - Oct 29, 2025 by Brenda H.Click to read more
9.5 mi · 732 Mountain Ave, Ste A, Upland, CA 91786
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Expertise in sepsis + 1 more ·
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 yo...Click to read more

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
9.5 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. So La Lee, MD

Primary Care Doctor
5.00
·30 reviews
9.5 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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Dr. So La Lee is a primary care physician practicing in Orange County, CA.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 ·
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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. 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
9.5 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 ·
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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. 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 ·
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. 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. Biren Shah, MD

Primary Care Doctor
5.00
·33 reviews
9.5 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. Marlene Mires, MD

Primary Care Doctor
5.00
·34 reviews
They saw me before my scheduled time I didn’t have to wait for the doctor at all! She listened to my needs and I feel very taken care of and safe with her.Click to read more
9.5 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. 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
9.5 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
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Primary Care Physician
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