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315 verified UnitedHealthcare Doctors in Upland, 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 06/03/2026
Availability last updated 06/03/2026

Dr. Rishi Majithia, MD

Primary Care Doctor
4.80
·332 reviews
Smooth experience. Helpful, friendly doctor with relaxed bedside manner - Jan 9, 2025 by Keren A.Click to read more
1 mi · 99 N San Antonio Ave, Ste 210, Upland, CA 91786
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We are based out of Upland, California. We collect deductibles and copays at the time of service. If you have any questions or concerns, please call your insurance before your visi...Click to read more
Next available: today

Carbon Health Urgent Care - Rancho Cucamonga

Urgent Care Clinic
4.79
·101 reviews
The office was very clean and the staff was very friendly and knowledgeable.Click to read more
6.5 mi · 7831 Monticello Ave, Ste 1102, Rancho Cucamonga, CA 91739
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today

Carbon Health Urgent Care - Eastvale

Urgent Care Clinic
4.85
·67 reviews
I love this place! I just wish it was a full service office and not just an urgent care - Mar 28, 2025 by Maria M.Click to read more
9 mi · 14117 Limonite Ave, Eastvale, CA 91752
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today

Dr. Paul Usborne, MD

Primary Care Doctor
4.78
·89 reviews
He took his time with me and listened to all my concerns. Very thorough - Jul 23, 2014 by Lourdes M.Click to read more
14 mi · 256 W San Bernardino Rd, Covina, CA 91723
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 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. Eric Lee, DO

Primary Care Doctor
4.91
·76 reviews
staff was nice, welcoming. Dr was thorough and made sure I understood everything. - Jul 27, 2022 by Ian R.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 ·
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, Jun 23

Dr. Aaron Lin, DO

Primary Care Doctor
4.94
·52 reviews
My chart is a little buggy. - Jul 19, 2022 by Jeffrey J.Click to read more
11 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 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: Fri, Jun 26

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: Mon, Jul 6

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, Jul 7

Dr. Karen Kay G Alfonso, MD

Pediatrician
5.00
·1 review
9.5 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alfonso is a board-certified pediatrician practicing for over 10 years in Orange and LA county. She received her medical degree at UC Davis School of Medicine and completed her residency training at CHOC Children’s hospital. Her favorite thing about being a pediatrician is, of course, the kids!...Click to read more
Next available: Mon, Jun 22

Dr. Brian T Lai, DO

Primary Care Doctor
5.00
·33 reviews
17.5 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: Mon, Jun 22

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
17 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
Next available: Fri, Jul 10

Dr. Jim Tran, DO

Primary Care Doctor
5.00
·33 reviews
- Dec 9, 2024 by Setareh A.Click to read more
17.5 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
Next available: Tue, Jun 30

Dr. Andrew Thua Thang Ngo, MD

Primary Care Doctor
5.00
·30 reviews
19.5 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
Next available: Wed, Jun 10

Carbon Health Urgent Care - Placentia

Urgent Care Clinic
4.85
·71 reviews
I would definitely recommend. Doctor was nice , it went quick. - Jan 21, 2024 by Michael B.Click to read more
19 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

Tracy Bronson

Family Nurse Practitioner
4.25
·28 reviews
The beginning was not great but Ms Tracey was great - Apr 9, 2025 by Roshaun A.Click to read more
18 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patientsExpertise in chronic diabetes + 3 more
Next available: today

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
19.5 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
Next available: Mon, Jul 13

Carbon Health Urgent Care - Corona

Urgent Care Clinic
4.85
·80 reviews
Short wait time, great bedside manner, friendly and knowledgeable staff, - Feb 6, 2026 by Jennifer F.Click to read more
20.5 mi · 3955 Bedford Canyon Rd, Ste 103, Corona, CA 92883
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today

Carbon Health Urgent Care - La Habra

Urgent Care Clinic
4.90
·61 reviews
It was very upbeat and streamlined. In and out and my meds were sent to my Pharmacy. Excellent experience! - Oct 25, 2025 by HAROLD G.Click to read more
21.5 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

Regina Robertson, NP

Family Nurse Practitioner
4.33
·18 reviews
Provider listened and provided good feedback and information pertaining to my issues. A clear plan was communicated to address my health problems. Regina was caring and empathetic. - Mar 31, 2026 by Marcia S.Click to read more
17.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Regina Robertson, MSN, APRN, FNP-BC, is a compassionate and experienced Nurse Practitioner with more than 30 years in nursing and advanced clinical care. She is dedicated to providing thoughtful, patient-centered primary care that focuses on both physical and emotional well-being. Regina holds a Mas...Click to read more
Next available: Mon, Jun 8

Angela Huusfeldt, APRN, RN, NP

Family Nurse Practitioner
4.69
·13 reviews
Angela was a great communicator and followed up when necessary after the appointment to confirm that I had my questions answered. The office did have me wait about 45-55 minutes after I arrived a bit late. I inputted the wrong address and called ahead that I’d be about 15 minutes late. The front d...Click to read more
19 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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: tomorrow

Dr. Jon Kramer, MD

Pediatrician
5.00
·31 reviews
- Nov 8, 2025 by Aries A.Click to read more
17.5 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, Jun 8

Dr. David Joung, MD

Pediatrician
5.00
·30 reviews
17.5 mi · 4300 Rose Dr, Ste B, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
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, Jun 11

Dr. Larissa Isterabadi, MD

Pediatrician
4.97
·32 reviews
17.5 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: Thu, Jun 18

Dr. Howard Pyo, DO

Family Physician
4.88
·1290 reviews
Great office experience. Friendly and very welcoming. Very clean office space. Definitely recommend a visit. - Jun 21, 2023 by Jeremy H.Click to read more
21 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. If patient prefers to see only Dr. Pyo, we fully respect their choice and will not include residents or students in their care. All of our patients are GUARANTEED...Click to read more
Next available: tomorrow

Dr. Henry Cheng, MD

Family Physician
4.64
·118 reviews
Dr Cheng was very attentive, courteous and prompt. Would reccommend. by ARClick to read more
19 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
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, Jun 8

Dr. Kristi Kwan, DO

Primary Care Doctor
5.00
·1 review
23.5 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Kristi Kwan is a board-certified family medicine physician practicing with St. Joseph Heritage Medical Group in Orange, CA.Click to read more
Next available: Wed, Jul 8

Dr. Marco Paez, MD

Gastroenterologist
4.94
·77 reviews
I had a great experience with Dr. Paez and his receptionist, Urelly. They were so welcoming and made me feel very comfortable. Dr. Paez answered all of my questions and really took time with me. - Sep 13, 2024 by Stephanie S.Click to read more
18.5 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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: Fri, Jun 19

Carbon Health Urgent Care - Whittier

Urgent Care Clinic
4.94
·79 reviews
This physician was very knowledgeable about my issue. The medication prescribed were exactly what I needed. - Mar 28, 2026Click to read more
24.5 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. Jeremy Joseph Feck, DO

Primary Care Doctor
5.00
·4 reviews
25 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
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: Thu, Jun 18

Dr. Vincent Pan, DO

Primary Care Doctor
4.88
·16 reviews
25 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Vincent Pan is a board certified Family Medicine physician. An Orange County native, he completed medical school at Touro Nevada College of Osteopathic Medicine before finishing his residency at Loma Linda University Health. He has clinical experience in FQHC, private practice, preventative heal...Click to read more
Next available: Fri, Jun 19

Dr. Christina Steinhauser, DO

Gastroenterologist
4.97
·92 reviews
She was extremely informative and helpful. I hope she helps me. - Feb 4, 2025 by Aida D.Click to read more
18.5 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, Jun 24

Dr. Jenny Wang, DO

Primary Care Doctor
25 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, Jul 10

Dr. Sadia Moinuddin, MD, DABOM

Primary Care Doctor
4.72
·82 reviews
My experience with doctor sadia was great she answered all my questions without making me feel rushed I gladly recomend her. by LPClick to read more
27.5 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: Tue, Jun 9

Dr. Wasim Raja, MD

Primary Care Doctor
4.85
·480 reviews
I was in a vulnerable state due to my current health concerns and Dr. Raja made me feel calm and comfortable. - Jan 23, 2023Click to read more
31 mi · 11100 Warner Ave, Ste 110, Fountain Valley, CA 92708
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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: today

Karmbir Takhar, APRN, NP

Family Nurse Practitioner
4.83
·6 reviews
I love this place, looks like home and make feel good. - Apr 24, 2026 by Nelly V.Click to read more
23.5 mi · 11306 Mountain View Ave, Ste C, Loma Linda, CA 92354
In-network · UnitedHealthcare
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 collect deductibles, copays at the time of service. If you have any questions, please call your insurance before your visit. In addition, please be accurate about the reason for yo...Click to read more
Next available: tomorrow

Dr. Karoline Wang, MD

Primary Care Doctor
4.91
·35 reviews
Friendly professional - Sep 5, 2025 by Antonio N.Click to read more
27 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: Mon, Jun 15

Dr. Julie Navarro, DO

Primary Care Doctor
4.69
·78 reviews
Everything went smoothly! Everyone in the office was friendly and communicative. All my concerns were addressed.Click to read more
27.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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. Julie Navarro is a skilled and experienced family physician. She sees patients in person at Copa De Oro Medical Group in ...Click to read more
Next available: Mon, Jun 15

Dr. Robert Frankel, MD

Pediatrician
5.00
·31 reviews
We are so grateful for Doc Frankel! He was able to help our son immediately. Thank you Doc, Frankel. - Feb 20, 2024 by Liam M.Click to read more
23.5 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Robert Frankel chose to be a pediatrician because of his love for children. He enjoys being able to bring about a change for the better in the lives of his young patients. Dr. Frankel received his medical degree from the University of Cincinnati's College of Medicine, in Cincinnati, Ohio. He the...Click to read more
Next available: tomorrow

Dr. Billy Zhang, MD

Primary Care Doctor
5.00
·30 reviews
27 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Billy Zhang is a board-certified Internist with an eclectic background, having trained in Philadelphia, Pennsylvania and working as a primary care provider in Brooklyn, New York. Dr. Zhang's area of interest is providing patient centered care, understanding the best way to team up and address bo...Click to read more
Next available: Tue, Jun 30

Dr. Paola Ortiz, MD

Primary Care Doctor
4.57
·89 reviews
Very good experience everyone one was friendly and didn’t have a long wait - May 7, 2025 by Juana R.Click to read more
27.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
In-network · UnitedHealthcare
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: Tue, Jun 23
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On Zocdoc, you can search specifically for UnitedHealthcare Doctors in Upland with availability after 5 p.m.

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

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

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

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

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