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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.
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Availability last updated 09/04/2026
Availability last updated 09/04/2026

Carbon Health Urgent Care - Whittier

Urgent Care Clinic
4.94
·84 reviews
It was nice to be in a welcoming place wait time was not Long at all.. - Nov 24, 2024 by Joe P.Click to read more
27.5 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. Michael Truong, MD

Primary Care Doctor
4.97
·96 reviews
Friendly and accommodating. Doctor was so concerned about my health - Mar 19, 2025 by Reynaldo D.Click to read more
28 mi · 1535 17th St, Suite 104, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 15 years of experience · Highly recommended · Excellent wait time · Expertise in joint or tendon inflammation of the finger/wrist/hand + 7 more ·
Read bio
*Our Clinic* Introducing a brand-new clinic, designed to offer a small-town doctor's office experience right in the heart of OC. Our independent practice is owned and operated by the attentive physician who will be personally caring for you. Convenience is key, with ample parking space, a first-flo...Click to read more
Next available: Tue, Sep 22

Dr. Vincent Pan, DO

Primary Care Doctor
4.88
·16 reviews
27.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Vincent Pan is a board certified Family Medicine physician. An Orange County native, he completed medical school at Touro Nevada College of Osteopathic Medicine before finishing his residency at Loma Linda University Health. He has clinical experience in FQHC, private practice, preventative heal...Click to read more
Next available: Tue, Oct 13

Dr. Karoline Wang, MD

Primary Care Doctor
4.83
·36 reviews
Friendly professional - Sep 5, 2025 by Antonio N.Click to read more
28.5 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Karoline Wang is a board-certified Internal Medicine doctor. She graduated from the Medical College of Wisconsin and completed her internship and residency training in internal Medicine at the California Pacific Medical Center in San Francisco. Dr. Wang also has a Masters in Public Health (MHSC)...Click to read more
Next available: Thu, Oct 1

Dr. Billy Zhang, MD

Primary Care Doctor
5.00
·30 reviews
28.5 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: Wed, Sep 30

Dr. Paola Ortiz, MD

Primary Care Doctor (Virtual)
4.58
·91 reviews
Im very pleased with Dr. Ortiz, very soft spoken, kind, good listener. Shows interest and concern about my family health history. She makes sure that i have print out of my summary visit, prescription, request for blood work ready before i check out. Very good experience ! - Sep 4, 2024 by Rovina P...Click to read more
Norwalk, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
PLEASE CONFIRM YOUR APPOINTMENT WITHIN 24 HOURS OF YOUR BOOKING VIA TEXT OR CALL. (Your appointment might be canceled if not confirmed 24 hours before your appointment time) Please confirm your appointment within 24 hours via text or call. I earned my Doctor of Medicine from Ross University School ...Click to read more
Next available: Wed, Sep 9

Dr. Wasim Raja, MD

Primary Care Doctor
4.85
·488 reviews
Dr. Raja was very professional and answered all my questions very clearly. - Sep 19, 2022 by Nicholas N.Click to read more
33.5 mi · 11100 Warner Ave, Ste 110, Fountain Valley, CA 92708
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in sepsis + 3 more ·
Read bio
Dr. Wasim Raja is a skilled and experienced internist. He currently runs his own practice, based in Fountain Valley, CA, and holds licenses to practice in Texas, Nebraska, and Colorado. Fluency in English, Urdu, and Punjabi has made him accessible to various culturally diverse communities. Dr. Raj...Click to read more
Next available: today

Dr. Roya Hormozdiaran, MD

Primary Care Doctor
4.78
·142 reviews
- Aug 21, 2025 by Jessica H.Click to read more
31.5 mi · 62 Corporate Park, Suite 130, Irvine, CA 92606
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Welcome, and thank you for considering my practice. I’m a board-certified internal medicine physician, trained at the University of Southern California (USC), with over 20 years of experience in patient care, proudly serving the Irvine community. As a primary care physician, I specialize in weight ...Click to read more
Next available: Tue, Sep 15

Dr. Artin Nazarian, MD

Primary Care Doctor
4.67
·348 reviews
Dr. Artin is really knowledgeable and understanding and we will continue with him for sure - Oct 13, 2023 by Rasha A.Click to read more
36.5 mi · 1818 Verdugo Blvd, #207, GLENDALE, CA 91208
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 23 years of experience · Excellent wait time · Expertise in chronic diabetes + 7 more ·
Read bio
Dr. Nazarian was raised in Glendale and after high school attended University of Southern California and received a degree in Exercise physiology and minor in Biology. He then attended medical school at St. George’s University. Dr. Nazarian did 3rd year of medical school in New York and finished in ...Click to read more
Next available: today

Dr. Artin Nazarian, MD

Primary Care Doctor (Virtual)
4.67
·348 reviews
Dr. Artin is really knowledgeable and understanding and we will continue with him for sure - Oct 13, 2023 by Rasha A.Click to read more
GLENDALE, CA
In-network · UnitedHealthcare
Accepting new patients · 23 years of experience · Offers video visits · Excellent wait time · Expertise in chronic diabetes + 7 more ·
Read bio
Dr. Nazarian was raised in Glendale and after high school attended University of Southern California and received a degree in Exercise physiology and minor in Biology. He then attended medical school at St. George’s University. Dr. Nazarian did 3rd year of medical school in New York and finished in ...Click to read more
Next available: today

Carbon Health Urgent Care - Cerritos

Urgent Care Clinic
4.77
·77 reviews
Excellent service. Doctor was kind and patient. Definitely recommended this facility. - Dec 28, 2024 by Daniel R.Click to read more
31.5 mi · 13299 South St, Cerritos, CA 90703
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to make high-quality, inclusive, and personal healthcare accessible to all. Our convenient urgent care locations treat a full spectrum of health needs, including cold, COVID and flu symptoms, urinary tract infections, sinus infections, abdomi...Click to read more
Next available: today

Carbon Health Urgent Care - Pasadena

Urgent Care Clinic
4.68
·314 reviews
Very modern and clean facilities, attentive staff.Click to read more
31.5 mi · 600 E Colorado Blvd, Ste 120, Pasadena, CA 91101
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today

Dr. Sarah O'Loughlin, MD

Pediatrician
4.91
·32 reviews
26 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · 22 years of experience · Highly recommended ·
Read bio
Dr. O'Loughlin believes in preventative medicine and is dedicated to assisting children and their parents as they make decisions about living a healthy lifestyle. As a parent herself, she values the insights that parents provide on the health and well-being of their children when discussing importan...Click to read more
Next available: Tue, Sep 15

Dr. Marta Sarmiento, MD

Pediatrician
4.85
·33 reviews
Excellent staff, fun toys for kids while you wait, free parking. - May 1, 2019 by Andrea P.Click to read more
27 mi · 725 W La Veta Ave, Ste 240, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Marta Sarmiento is a dedicated and diligent pediatrician serving the community of Orange, CA. She earned her Doctor of Medicine degree from the University of California, Irvine. Dr. Sarmiento runs her own practice, where she provides care for annual physicals, preventative care and immunizati...Click to read more

Carbon Health Urgent Care - Cypress

Urgent Care Clinic
4.81
·70 reviews
Great experience didn’t wait long great staff and they were able to flush my ears out in a timely manner - Mar 13, 2026 by Lucia V.Click to read more
32 mi · 10165 Valley View St, Cypress, CA 90630
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today

Dr. 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
26 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: Thu, Sep 24

Dr. Suehong Tao, MD

Pediatrician
4.87
·30 reviews
27.5 mi · 17083 Main St, Hesperia, CA 92345
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Dr. Suehong Tao is a reliable and diligent pediatrician. She is currently a part of St. Mary High Desert - Peds in Hesperia, CA. She easily connects with her young patients and their parents. Dr. Tao attended Zhejiang Medical University for medical school. She holds a certification from the America...Click to read more
Next available: Thu, Sep 10

Dr. Marc Bennett, MD

Pediatrician
5.00
·30 reviews
26 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. Dr. Marc Bennett enjoys the energy and enthusiasm children bring into his medical practice. He is continually amazed at the strength of character and spirit that young people possess. Dr. Bennett prides himself o...Click to read more
Next available: Thu, Oct 8

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
27 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Thu, Sep 17

Dr. Yama Afshar, DO

Primary Care Doctor
4.81
·108 reviews
Dr Ashfar was friendly professional and to the point, felt comfortable and heard. Thank you!Click to read more
35 mi · 24321 Avenida De La Carlota, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time · Expertise in chronic high blood pressure ·
Read bio
Dr. Yama Afshar is an internal medicine physician with a background in public health. He completed medical school at Midwestern University Arizona College of Osteopathic Medicine in Glendale, AZ and residency in internal medicine at UCSF Fresno in Fresno, CA. Dr. Afshar provides primary care for adu...Click to read more
Next available: Wed, Sep 9

Dr. Jeffrey Messinger, MD

Pediatrician
4.94
·33 reviews
Doctor was very straightforward with what was going on with my daughter and when I should be concerned and when to bring her to the doctor or understand that she will be ok and recover at home. He was good with my daughter and made her feel comfortable. - Sep 15, 2022 by Ashley D.Click to read more
28.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. Board-certified in pediatrics, Dr. Messinger earned his Doctor of Medicine from Philadelphia University and Thomas Jefferson University. He completed his residency at the University of California, Irvine. His p...Click to read more
Next available: Tue, Sep 8

Dr. Alexander Tauras, MD

Primary Care Doctor
5.00
·2 reviews
35 mi · 1704 Colorado Blvd, Los Angeles, CA 90041
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 2 more ·
Read bio
Dr. Tauras received his medical degree from the George Washington University School of Medicine in 2014. He completed a residency in family medicine at PIH Health in Whittier where he participated in the tropical medicine track which included rotations in Cameroon and Malawi. Dr. Tauras spent most o...Click to read more
Next available: Wed, Sep 9

Samantha Savage, RN

Family Nurse Practitioner
4.90
·10 reviews
She was very attentive & informational by SCClick to read more
30.5 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Samantha Savage is a highly skilled family nurse practitioner from Norwalk, CA. She serves patients at Copa De Oro Medical Group. Ms. Savage earned her master's degree in nursing from the University of San Diego. She takes a practical and collaborative approach, working closely with each indivi...Click to read more
Next available: today

Dr. Naho Taguchi, MD

Pediatrician
28.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 24 years of experience ·
Read bio
Dr. Naho Taguchi is a Pediatrician practicing in Orange County, CA.Click to read more
Next available: Wed, Sep 9

Dr. Venessa Gutierrez, MD

Pediatrician
5.00
·30 reviews
28.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Gutierrez is a pediatrician dedicated to the health of her patients who strives to work as a culturally sensitive physician, while continuing to emphasize preventive medicine. She completed her internship at New York Medical College and her residency at White Memorial Medical Center. When Dr. G...Click to read more
Next available: Thu, Sep 10

Dr. Reza Govashiri, MD

Primary Care Doctor
5.00
·38 reviews
Dr. Govashiri was fantastic. He was very professional, concise and precise - Aug 22, 2024 by Carl S.Click to read more
33.5 mi · 22621 Lake Forest Dr, Lake Forest, CA 92630
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 9 more ·
Read bio
Dr. Reza Govashiri is an internist practicing for almost 30 years, currently working in Lake Forest, California for Mission Heritage Medical Group. He completed medical school at Tabritz University of Medical Sciences before finishing his internship and residency at Brooklyn Hospital Center. Dr. Go...Click to read more
Next available: Wed, Sep 30

Dr. James Kim, MD

Pediatrician
5.00
·30 reviews
28.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. I earned my Doctor of Medicine degree from Ohio State University and completed both my internship and residency at Children's Hospital Los Angeles. My goals with each patient interaction are to be a good listene...Click to read more
Next available: Thu, Sep 10

Dr. Nusrat Ahsan, MD

Primary Care Doctor
4.87
·95 reviews
My visit went really well. All of my concerns were addressed in an honest and friendly manner.Click to read more
33.5 mi · 22621 Lake Forest Dr, Lake Forest, CA 92630
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 5 more ·
Read bio
While Dr. Ahsan was growing up, she always wanted to be a doctor. Her mother told her stories about how her father wanted his youngest daughter to become a doctor, but he passed away just before she was born. Ever since, she has felt a strong obligation to fulfill his wish. She believes that we, as ...Click to read more
Next available: Wed, Oct 7

Dr. Henry Leung, DO

Primary Care Doctor
4.84
·395 reviews
The Doctor was extraordinarily courteous and that's half the treatment; highly recommend. - Mar 19, 2015 by Mohammed M.Click to read more
35.5 mi · 24953 Paseo De Valencia Building B, Suite 13B, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in high cholesterol + 5 more ·
Read bio
Dr. Leung is the medical director at AV Family Medicine & Urgent Care. He oversees a staff of doctors and nurse practitioner who are ready to take care of your needs. Dr. Leung is an active member of the American Board of Family Medicine, and is on staff with Memorialcare Saddleback Medical Cente...Click to read more
Next available: Wed, Sep 9

Dr. Haleh Khoshreza, MD

Primary Care Doctor
4.71
·82 reviews
The doctor was knowledgeable, caring and thorough. - Jan 28, 2026 by Hamid A.Click to read more
34 mi · 23141 Moulton Pkwy, Ste 108, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Dr. Khoshreza has been practicing as a primary care physician, focusing on preventive medicine and managing chronic diseases. With a passion for guiding patients toward healthier lifestyles, she is committed to fostering strong patient relationships and providing personalized, evidence-based care.Click to read more
Next available: Fri, Sep 25

Carbon Health Urgent Care - Los Alamitos

Urgent Care Clinic
4.74
·74 reviews
Everyone was so professional and friendly, love it there. - May 31, 2026 by Kim A.Click to read more
34.5 mi · 3851 Katella Ave, Ste 100, Los Alamitos, CA 90720
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today

Carol Jung, PA-C

Physician Assistant
5.00
·23 reviews
Carol is an empathetic provider that will make you feel listened and heard! Highly recommend! by CKClick to read more
29.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I'm a Physician Assistant with a passion for developing relationships as well as meeting patients where they are — whether that means navigating a new diagnosis, managing a chronic condition, or simply being a provider who truly listens. With a background in adult primary care and a specialty in PM&...Click to read more
Next available: Wed, Sep 9

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
27 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Mon, Oct 12

Dr. Alex Adamian, MD

Primary Care Doctor
5.00
·15 reviews
Excellent insight and bedside manner. No long wait time. Would recommend - Jul 14, 2026Click to read more
36.5 mi · 1818 Verdugo Blvd, #401, Glendale, CA 91208
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I am a family medicine doctor who cares for patients at every stage of life. I try to listen carefully and not rush my patients. I work with my patient to achieve the best health outcomes. I focus on evidence based medicine and I stay up to date with the latest medical advances. AGE: Accepting pa...Click to read more
Next available: Tue, Sep 8

Louise Jones, FNP, APRN

Family Nurse Practitioner
4.82
·22 reviews
So kind and amazing! I would highly recommend this provider. by KLClick to read more
29.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Louise Jones, DNP, FNP-BC, is a board-certified Family Nurse Practitioner dedicated to providing compassionate, evidence-based care for patients of all ages. She believes in building lasting relationships with her patients by listening carefully, educating them about their health, and working togeth...Click to read more
Next available: Wed, Sep 9

Andrew Ho, FNP

Family Nurse Practitioner
5.00
·27 reviews
Andrew provided exceptional care during my recent doctor's office visit. He was incredibly thorough, took the time to explain everything clearly, and made sure all of my questions were answered before I left. His professionalism and dedication to patient care are evident. I felt very safe and well-l...Click to read more
29.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Mr. Andrew Ho is a skilled and compassionate family nurse practitioner. He provides in-person services at Besa Health in Santa Ana, CA. He also offers virtual services. ​As part of his formal education, Mr. Ho completed a master's degree in nursing at Azusa Pacific University. He is a first-generat...Click to read more
Next available: Thu, Sep 10

Carbon Health Urgent Care - Costa Mesa

Urgent Care Clinic
4.79
·105 reviews
The office was clean and there were kind and helpful employees. - Sep 5, 2024 by Wren G.Click to read more
34.5 mi · 3195 Harbor Blvd, Ste 3 Costa Mesa, Costa Mesa, CA 92626
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

Beatrize Zayco, PA

Physician Assistant
5.00
·11 reviews
Had an excellent visit with Bea recently and couldn't be happier with the care I received. She was punctual, thorough, and took the time to actually listen to my concerns rather than rushing through the appointment. I'd highly recommend her to anyone looking for attentive, timely, and knowledgeable ...Click to read more
29.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Beatrize Zayco, PA-C, is a dedicated Physician Assistant with clinical experience in endocrinology and wound care. Originally raised in California, she pursued her medical education in Boston, Massachusetts, where she developed a strong foundation in patient-centered care and evidence-based medicine...Click to read more
Next available: Sat, Sep 12

Dr. Sinda Althoen, MD

Pediatrician
5.00
·32 reviews
Doctor was attentive, helped and explained everything pretty clearly.Click to read more
28.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 23 years of experience · Highly recommended · Excellent wait time ·
Read bio
I choose pediatrics because I truly enjoy working with children, and I appreciate that families are willing to make healthy changes for their children. I enjoy the spirit and creativity of children, and the sweet, open optimism that they possess. My goal as a pediatrician is to help guide children i...Click to read more
Next available: Tue, Sep 29

Dr. Robert Tracy, DO

Primary Care Doctor
4.75
·20 reviews
Very nice office. Dr Tracy was quick to diagnose and send a referral. - Jun 16, 2026 by Mary B.Click to read more
37.5 mi · 3056 Fletcher Dr, Los Angeles, CA 90065
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time · Expertise in chronic high blood pressure + 3 more ·
Read bio
Dr. Tracy completed his medical school in Florida before moving to Los Angeles for his residency training at the USC Family Medicine program at California Hospital in downtown LA. He was honored to have been elected Chief Resident during his 3rd year by the faculty and fellow residents. In additio...Click to read more
Next available: Tue, Sep 8

Dr. James Kropac, DO

Primary Care Doctor
5.00
·12 reviews
Everyone was super friendly and helpful. Dr. K. Is absolutely great. Honestly a great experience overall. - Aug 11, 2026Click to read more
35 mi · 1704 Colorado Blvd, Los Angeles, CA 90041
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Fri, Oct 2

Dr. James Kropac, DO

Primary Care Doctor
5.00
·12 reviews
Everyone was super friendly and helpful. Dr. K. Is absolutely great. Honestly a great experience overall. - Aug 11, 2026Click to read more
37 mi · 801 S Chevy Chase Dr, #250, Glendale, CA 91205
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Mon, Oct 5

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
32 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Mon, Sep 14

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
32 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Mon, Sep 14

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
32 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
In-network · UnitedHealthcare
Accepting new patients ·
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Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Tue, Sep 15

Carbon Health Urgent Care - Long Beach, Carson St.

Urgent Care Clinic
4.70
·87 reviews
I would go back. They were very thorough and polite. - Apr 24, 2023 by Kendra K.Click to read more
38 mi · 2010 E Carson Street, Long Beach, CA 90807
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

Carbon Health Urgent Care - Echo Park

Urgent Care Clinic
4.68
·361 reviews
It was great. The physicians are always so kind and knowledgable. - Jun 16, 2025 by Bethany B.Click to read more
38.5 mi · 2110 W Sunset Blvd, Ste M, Los Angeles, CA 90026
In-network · UnitedHealthcare
Accepting new patients ·
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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. Haleh Khoshreza, MD

Primary Care Doctor
4.71
·82 reviews
The doctor was knowledgeable, caring and thorough. - Jan 28, 2026 by Hamid A.Click to read more
40.5 mi · 30230 Rancho Viejo Rd, Ste 200, San Juan Capistrano, CA 92675
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
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Dr. Khoshreza has been practicing as a primary care physician, focusing on preventive medicine and managing chronic diseases. With a passion for guiding patients toward healthier lifestyles, she is committed to fostering strong patient relationships and providing personalized, evidence-based care.Click to read more
Next available: Tue, Sep 8

Dr. Armen Hovhannisyan, MD

Primary Care Doctor
4.39
·544 reviews
This has been my primary doc sense ive moved to cali - Nov 30, 2017 by Diahann N.Click to read more
43 mi · 8444 Crenshaw Blvd, Inglewood, CA 90305
In-network · UnitedHealthcare
Accepting new patients · Expertise in emphysema (copd) + 9 more ·
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Please note: If you have an HMO insurance plan, please add THE DOCTOR as your Primary Care Provider as this is a requirement before you can be seen. ____ Dr. Armen Hovhannisyan is a primary care doctor treating patients in Inglewood, California, and the surrounding communities. He holds certificat...Click to read more
Next available: today

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
32 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Wed, Oct 14

Dr. Carlos Arguedas, MD

Internist
4.90
·202 reviews
It's really nice when a doctor takes time to have a conversation with you and explains everything till you understand. - Sep 15, 2014 by Nicholas P.Click to read more
33 mi · 5300 Katella Ave, Los Alamitos, CA 90720
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in high cholesterol + 5 more ·
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Dr. Carlos Arguedas is an internist treating patients in Los Alamitos, California, and the surrounding communities. He holds certification from the American Board of Internal Medicine and is affiliated with the Long Beach Memorial Medical Center. Dr. Arguedas is also a member of the American College...Click to read more
Next available: Mon, Oct 19

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·7 reviews
34.5 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Tue, Sep 29

Dr. Claudia Eppele, MD

Family Physician
4.91
·361 reviews
Very knowledgeable .. caring.. enthusiastic and excellent bedside manner.. - Mar 14, 2012 by Maria R.Click to read more
34 mi · 2900 Bristol St, Bldg B, Ste 201, Costa Mesa, CA 92626
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in depression ·
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Dr. Claudia Eppele, MD, Specializing in Depression and Anxiety, is a compassionate and trailblazing physician whose journey in medicine reflects her deep commitment to helping others. Beginning her career in General Surgery, she spent three years mastering this challenging field before expanding her...Click to read more

Carbon Health Urgent Care Long Beach

Urgent Care Clinic
4.65
·84 reviews
the staff were courteous. - Dec 27, 2025 by Virginia N.Click to read more
41.5 mi · 555 E Ocean Blvd, Ste 110, Long Beach, CA 90802
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today

Dr. Judy Lee, MD

Pediatrician
4.43
·7 reviews
35 mi · 1704 Colorado Blvd, Los Angeles, CA 90041
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience ·
Read bio
Dr. Judy Lee is a board-certified pediatrician. Dr. Lee received a combined Public Health Master’s degree along with her medical degree at Tufts University in Boston in 1999. She interned at Babies and Children’s Hospital of NY. She finished her residency at Children’s Hospital of Los Angeles. When ...Click to read more
Next available: Wed, Sep 23
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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?

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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.

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