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Find an in-network doctor from over 1,000 insurance plans

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315 verified UnitedHealthcare Gastroenterologists in Irvine, 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 04/10/2026
Availability last updated 04/10/2026

Dr. Edgar A. Chavez, MD

Family Physician
35.5 mi · 2801 S San Pedro St, Los Angeles, CA 90011
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 22 years of experience · Expertise in chronic high blood pressure + 3 more ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Edgar Chavez received his BS in Neuroscience from Pomona College in 19...Click to read more

Kathreen D. Castro, NP

Nurse Practitioner (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Kathreen Dee Castro, MSN, FNP-BC, earned her Bachelor of Science in Nursin...Click to read more

Elizabeth Serrano, NP

Family Nurse Practitioner (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Ms. Elizabeth Serrano is a diligent and reliable family nurse practitioner...Click to read more

Judith Onyepunuka, PA-C

Physician Assistant (Virtual)
5.00
·8 reviews
Dr. Onyepunuka actually listened to my concern unlike most doctors. Zocdoc didn’t send the extra information I wrote for my appt but she adapted to the situation and was very understanding and knowledge. Highly recommend! - Nov 22, 2022 by Joyce O.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Judith Onyepunuka is a board-certified Physician Assistant specializing in...Click to read more

Leilani P. Mookini, PA-C

Physician Assistant (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Leilani is a board-certified physician assistant focusing on family medi...Click to read more

Jessica Flores, PA-C

Physician Assistant (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Jessica Flores is a board-certified Physician Assistant specializing in ...Click to read more

Dr. Sandy Cadena, MD

Family Physician (Virtual)
4.78
·9 reviews
Dr Cadena was friendly, knowledgeable, and attentive to my needs. Very patient and a great listener. Thank you! - Nov 15, 2022 by Jay D W.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Cadena received her MD from the Catholic University of Santiago of Gua...Click to read more

Dr. Jonathan Olumoya, MD

Family Physician (Virtual)
4.78
·9 reviews
It was a dope experience. And I got all what I needed . - Dec 2, 2022 by Charles T.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · 14 years of experience · Offers video visits · Excellent wait time · Expertise in diabetic emergency + 2 more ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Jonathan Olumoya is a Board-Certified Family Medicine Physician. He re...Click to read more

Dr. Edgar A. Chavez, MD

Family Physician (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · 22 years of experience · Offers video visits · Expertise in chronic high blood pressure + 3 more ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Edgar Chavez received his BS in Neuroscience from Pomona College in 19...Click to read more

Dr. Carlos Millan, MD

Family Physician (Virtual)
4.00
·1 review
- Dec 12, 2022 by Ramona L.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
**ALL PATIENTS:** You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. Dr. Carlos Millan received his Bachelor of Science in Molecular Biology fr...Click to read more

Cler Aquillas, NP

Nurse Practitioner (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Cler Aquillas is a board-certified Family Nurse Practitioner. She finished...Click to read more

Teresa Sanchez, PA

Physician Assistant (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Teresa Sanchez is a board-certified physician assistant specializing in de...Click to read more

Dr. John-David Lyons, MD

Family Physician (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** I earned my Doctor of Medicine from the University of California, Los Angel...Click to read more

Kristyl Felix, PA-C

Physician Assistant (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Kristyl Felix is a board-certified Physician Assistant focusing on primary...Click to read more

Saul Shapira, PA

Physician Assistant (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Mr. Saul Shapira is a physician assistant who serves the people of Los Ang...Click to read more

Isabelle M. Pamart-Tran, PA-C

Physician Assistant (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Isabelle Pamart-Tran studied in France before earning a Bachelor from the ...Click to read more

Dr. Oluwatoyin Akintujoye, MD

Family Physician (Virtual)
3.80
·5 reviews
Pleasant experience.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Oluwatoyin Akintujoye MD is a board-certified physician in Family Medi...Click to read more

Dr. Angelina Nieto-Rodriguez, MD

Family Physician (Virtual)
4.56
·9 reviews
Great people, tons of resources. Love this place - Dec 13, 2022 by Julia M.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Nieto-Rodriguez is a board certified physician in Family Medicine. She...Click to read more

Stephanie Smith, NP

Family Nurse Practitioner (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Stephanie Smith, MSN, FNP-BC, graduated from California State University, ...Click to read more

Myloan Hoang, APRN

Family Nurse Practitioner
5.00
·8 reviews
Very clean office and nice peopleClick to read more
36 mi · 530 East Washington Boulevard, Los Angeles, CA 90015
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Myloan Hoang is a family nurse practitioner at the House of Health in Los Angeles, CA. She earned her master's degree in Family Health Nursing from the University of Phoenix. Ms. Hoang is fluent in English and Spanish, allowing her to communicate effectively with a diverse patient population. S...Click to read more

Dr. Jonathan Olumoya, MD

Family Physician (Virtual)
4.78
·9 reviews
It was a dope experience. And I got all what I needed . - Dec 2, 2022 by Charles T.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · 14 years of experience · Offers video visits · Excellent wait time · Expertise in diabetic emergency + 2 more ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Jonathan Olumoya is a Board-Certified Family Medicine Physician. He re...Click to read more

Leilani P. Mookini, PA-C

Physician Assistant
36.5 mi · 1021 W Martin Luther King Jr Blvd, Los Angeles, CA 90037
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Leilani is a board-certified physician assistant focusing on family medi...Click to read more

Dr. Jonathan Olumoya, MD

Family Physician
4.78
·9 reviews
It was a dope experience. And I got all what I needed . - Dec 2, 2022 by Charles T.Click to read more
36.5 mi · 1021 W Martin Luther King Jr Blvd, Los Angeles, CA 90037
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 14 years of experience · Excellent wait time · Expertise in diabetic emergency + 2 more ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Dr. Jonathan Olumoya is a Board-Certified Family Medicine Physician. He re...Click to read more

Leilani P. Mookini, PA-C

Physician Assistant (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Leilani is a board-certified physician assistant focusing on family medi...Click to read more

Elizabeth Serrano, NP

Family Nurse Practitioner (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Ms. Elizabeth Serrano is a diligent and reliable family nurse practitioner...Click to read more

Elizabeth Serrano, NP

Family Nurse Practitioner
36.5 mi · 1021 W Martin Luther King Jr Blvd, Los Angeles, CA 90037
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
** ALL PATIENTS: You must live in Los Angeles County or have a Health Plan that can be transferred to Los Angeles County before an appointment can be fulfilled. Please call your Health Plan and validate before scheduling. ** Ms. Elizabeth Serrano is a diligent and reliable family nurse practitioner...Click to read more

Myloan Hoang, APRN

Family Nurse Practitioner
5.00
·8 reviews
Very clean office and nice peopleClick to read more
37.5 mi · 2409 S Vermont Ave, Los Angeles, CA 90007
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Myloan Hoang is a family nurse practitioner at the House of Health in Los Angeles, CA. She earned her master's degree in Family Health Nursing from the University of Phoenix. Ms. Hoang is fluent in English and Spanish, allowing her to communicate effectively with a diverse patient population. S...Click to read more

Vernica Foots, NP

Nurse Practitioner
39.5 mi · 6222 W Manchester Ave, Ste A, Los Angeles, CA 90045
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Ms. Vernica Foots is a nurse practitioner dedicated to delivering holistic, patient-centered care. She practices at Manchester Urgent Care in Los Angeles, CA. During consultations, Ms. Foots follows an evidence-based approach, focusing on health promotion, disease management, and patient education....Click to read more

Cindy Haslam, NP

Family Nurse Practitioner
5.00
·2 reviews
My visit was pleasant. The staff was wonderful and Cindy is kind and professional. by SCClick to read more
39.5 mi · 3056 Fletcher Dr, Los Angeles, CA 90065
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Cindy Haslam is a proficient family nurse practitioner at Fletcher Family Medical Center in Los Angeles, CA. She obtained her master’s degree in nursing from the University of Southern California to gain expertise in primary care for individuals and families. She conducts health assessments, pre...Click to read more

Dr. Erika Chico, MD

Family Physician
40 mi · 1267 N Virgil Ave, Los Angeles, CA 90029
In-network · UnitedHealthcare
Also offers video visitsAccepting new patientsExpertise in diabetic emergency + 4 more

Dr. Lamberto Olaes, MD

Internist (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Dr. Lamberto Olaes is a physician serving patients in the Filipino town of Los Angeles, CA. He feels strongly that every patient deserves the highest standard of medical care. Through his solo medical practice, he strives to provide exactly that to each patient every day. Dr. Olaes offers services i...Click to read more

Dr. Erika Chico, MD

Family Physician (Virtual)
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in diabetic emergency + 4 more

Dr. Lamberto Olaes, MD

Internist
40 mi · 1267 N Virgil Ave, Los Angeles, CA 90029
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience ·
Read bio
Dr. Lamberto Olaes is a physician serving patients in the Filipino town of Los Angeles, CA. He feels strongly that every patient deserves the highest standard of medical care. Through his solo medical practice, he strives to provide exactly that to each patient every day. Dr. Olaes offers services i...Click to read more

Brianne Medina, FNP-BC, NP

Family Nurse Practitioner (Virtual)
4.85
·140 reviews
Brianne is very knowledgeable and a very good listener.Click to read more
Glendale, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Brianne is a board-certified Family Nurse Practitioner (FNP) with a passion for whole-patient care; understanding that health is affected by unique physical, environmental, and psychosocial factors. She believes that health is not just the absence of illness, but the promotion of wellness. She comp...Click to read more

Karmen Vardanyan, NP

Nurse Practitioner
4.78
·37 reviews
Excellent experience with Karmen Vardanyan and staff. - Dec 1, 2025 by Anahid M.Click to read more
41.5 mi · 214 N Central Ave, Glendale, CA 91203
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Karmen Vardanyan is a certified nurse practitioner at Elevate Health Group in Glendale and Burbank, CA. She earned her master's degree in nursing from United States University. Ms. Vardanyan diagnoses and treats various health issues affecting both men and women. She takes the time to thoroughl...Click to read more

Dr. Karanbir Brar, MD

Internist (Virtual)
Oceanside, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in high cholesterol + 7 more ·
Read bio
Dr. Kern Brar is a compassionate, board-certified internal medicine physician who offers personalized primary care tailored to each patient's unique needs. He earned his Doctor of Medicine from Ross University School of Medicine - Academic Campus and completed his residency in Internal Medicine at A...Click to read more

Dr. Karanbir Brar, MD

Internist
43.5 mi · 2424 Vista Way, #105, Oceanside, CA 92054
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Expertise in high cholesterol + 7 more ·
Read bio
Dr. Kern Brar is a compassionate, board-certified internal medicine physician who offers personalized primary care tailored to each patient's unique needs. He earned his Doctor of Medicine from Ross University School of Medicine - Academic Campus and completed his residency in Internal Medicine at A...Click to read more

Dr. Ali Sheybani, MD

Internist (Virtual)
4.91
·306 reviews
Dr Sheybani was very nice and knowledgeable person. I would definitely see him again. - Sep 13, 2018 by Coby H.Click to read more
Sherman Oaks, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in lower back pain + 6 more ·
Read bio
Ali Sheybani MD is the founder of Joy Medical, which offers quality primary care. Dr. Sheybani is a compassionate and top-ranked internist and primary care doctor, providing the highest-quality care for patients in and around Sherman Oaks, CA. He earned his Doctor of Medicine from Shahid Sadooghi U...Click to read more

Dr. Rodney Samaan, MD

Cardiologist
5.00
·1 review
52 mi · 14600 Sherman Way, Ste 215, Van Nuys, CA 91405
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 23 years of experience · Highly recommendedExpertise in high cholesterol + 1 more

Dr. Rodney Samaan, MD

Cardiologist (Virtual)
5.00
·1 review
Van Nuys, CA
In-network · UnitedHealthcare
Accepting new patients · 23 years of experience · Offers video visits · Highly recommendedExpertise in high cholesterol + 1 more

Dr. Shima Hadidchi, MD

Primary Care Doctor
5.00
·1 review
62.5 mi · 12740 Hesperia Rd, Victorville, CA 92395
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in high cholesterol + 9 more ·
Read bio
Dr. Shima Hadidchi’s primary care office is committed to providing comprehensive, personalized care for you and your family. Our practice setting is warm and inviting, and we strive to offer genuinely compassionate care to our patients. Dr. Hadidchi, a graduate of Hamadan University of Medical Sc...Click to read more

Lyndsay Solimine, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.90
·30 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Lyndsay Solimine is a seasoned nurse practitioner who has worked in gastrointestinal (GI) care settings and has a strong background in treating adults with diverse GI conditions. As part of Oshi Health, she plays a pivotal role in leading the team of advanced practice providers (APPs). Prior to jo...Click to read more

Karee Ruth, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in gastroenteritis ·
Read bio
Karee Ruth is a seasoned family nurse practitioner with experience treating various gastrointestinal (GI) symptoms and conditions. At Oshi Health, she takes an integrative, whole-person approach to GI care, recognizing the importance of the gut-brain connection and its effects on overall health. B...Click to read more

Alyssa Shaffer, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·30 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Expertise in gastroenteritis ·
Read bio
Alyssa Shaffer is an experienced family nurse practitioner at Oshi Health who specializes in GI issues with a subspecialty in inflammatory bowel disease (IBD). Prior to her work with Oshi, Alyssa worked as a nurse practitioner in large academic gastroenterology practices. While practicing at the U...Click to read more

Oshi Health California

Gastroenterology Practice (Virtual)
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·

Alexandra Hudak, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Alexandra Hudak is a board-certified nurse practitioner who cares deeply about helping patients navigate digestive health concerns. At Oshi, she treats each patient as a whole person—not just a diagnosis. Her goal is to build strong, trusting partnerships with patients, where education and preventio...Click to read more

Steffanie Newland, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·30 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Steffani Newland is a dedicated family nurse practitioner specializing in gastroenterology. In her work at Oshi Health, she works closely with patients to uncover the root cause of their gastrointestinal (GI) concerns. Prior to coming to Oshi, she worked in a rural gastroenterology and hepatology ...Click to read more

Michael Currier, PA-C

Physician Assistant (Gastroenterology) (Virtual)
5.00
·30 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Expertise in chronic indigestion without clear cause ·
Read bio
Michael is a gastrointestinal (GI) physician assistant, clinically-trained in gastroenterology at Mass General Hospital in Boston. With more than 15 years of experience, he diagnoses and treats all GI conditions, with a specialty in inflammatory bowel disease (IBD), including Crohn’s disease and ulc...Click to read more

Amanda Sellers, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·30 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Amanda Sellers is a family nurse practitioner who brings a wealth of GI-specific experience to Oshi Health. At Oshi, she works closely with patients to uncover the root cause of GI issues. Before joining the Oshi Health team, Amanda worked at a private gastroenterology practice and in telemedicine ...Click to read more

Dr. Simon Humphries, MD

Internist (Virtual)
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acute urinary tract infection + 9 more ·
Read bio
Simon Humphries MD is a board-certified Internist in private practice who will be your personal physician. He earned his Doctor of Medicine from the Medical College of Wisconsin and completed his Residency in Internal Medicine at Saint Mary's Hospital. Dr. Humphries is available for in-person visits...Click to read more

Dr. Shreya Khatri, MD

Family Physician (Virtual)
4.60
·95 reviews
Dr. Khatri was great! She listened to all my concerns and had next steps for me to consider. I’m glad I came to her! - Jul 18, 2023 by Suchira S.Click to read more
Brentwood, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in chronic high blood pressure ·
Read bio
Dr. Shreya Khatri is a board-certified Family Medicine physician. She is a graduate of Ross University School of Medicine and completed her residency training at Doctors Medical Center, a UC Davis affiliate in Modesto, California. Dr. Khatri practices full-scope primary care practice which includes...Click to read more

Dr. Ekkawit Chanchorn, MD, PhD

Internist (Virtual)
4.83
·932 reviews
Knowledgeable, took good amount of time to ask questionsClick to read more
San Francisco, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in sepsis + 1 more ·
Read bio
Dr. Ekkawit Chanchorn is an internist who currently sees patients at his family practice in San Francisco, CA. Patients visit Dr. Chanchorn for various health illnesses, including upper respiratory infection, asthma, back pain, thyroid malfunctioning, and heart disease. Dr. Chanchorn earned his me...Click to read more

Dr. Ming Tsang, MD

Family Physician (Virtual)
4.86
·3213 reviews
Great experience, handled everything quickly and professionally. Thanks again. - Mar 21, 2014 by John K.Click to read more
San Francisco, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in emphysema (copd) + 4 more ·
Read bio
My desire to become a physician began at a very early age when I was still living in China. My mother was working in a hospital; she would take me to work with her and the hospital became my playground. I saw so many patients suffering from pains and injuries and these experiences had a profound eff...Click to read more
Out-of-network providers
Availability last updated 04/10/2026
Availability last updated 04/10/2026

Dr. Natalie Marino, MD

Family Physician
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
6.5 mi · 369 San Miguel Dr, Ste 200, Newport Beach, CA 92660
Out-of-network
Also offers video visits · Accepting new patients ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more

Ashlee Shapiro, PA

Physician Assistant
4.83
·146 reviews
She was kind and open to questions. 100% will see again. - Mar 4, 2025 by Elizabeth T.Click to read more
6.5 mi · 369 San Miguel Dr, Ste 200, Newport Beach, CA 92660
Out-of-network
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Ashlee Shapiro is a skilled physician assistant offering in-person services at Horizon Medical Clinic in Newport Beach, CA, and also provides virtual consultations. She earned her Master’s in Physician Assistant Studies from Quinnipiac University, equipping her with comprehensive training to del...Click to read more
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Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Zocdoc is great and so convenient. It always makes my appointments go smoothly as well.
Marta F
Made my life so much easier. As someone with chronic health conditions, Zocdoc makes it easy for me to build my medical team and keep track of everything!!
Rachel C
So easy to schedule an appointment with my doctor through Zocdoc. I only schedule visits through the Zocdoc platform now.
Lisa R
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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Irvine who takes UnitedHealthcare insurance?

On average, patients who use Zocdoc can search for a Gastroenterologist in Irvine who takes UnitedHealthcare insurance, book an appointment, and see the Gastroenterologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Gastroenterologists in Irvine who accept UnitedHealthcare insurance and make an appointment online.

How can I find a Gastroenterologist in Irvine who takes UnitedHealthcare?

Zocdoc lets you search specifically for a Gastroenterologist in Irvine who takes UnitedHealthcare. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with a UnitedHealthcare Gastroenterologist in Irvine?

Zocdoc is a free online service that helps patients find UnitedHealthcare Gastroenterologists in Irvine and book appointments instantly. You can search for UnitedHealthcare Gastroenterologists in Irvine by symptom or visit reason. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

How can I find a female Gastroenterologist in Irvine who takes UnitedHealthcare insurance?

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

How can I find a UnitedHealthcare Gastroenterologist in Irvine who sees patients after hours?

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

How can I find a top-rated UnitedHealthcare Gastroenterologist in Irvine?

You can use Zocdoc to find UnitedHealthcare Gastroenterologists in Irvine 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 Gastroenterologist online in Irvine?

Gastroenterologists in Irvine 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 Gastroenterologists who offer video visits.

Are video visits with a Gastroenterologist 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 Gastroenterologists in Irvine 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 Gastroenterologist in Irvine who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Gastroenterologist 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 Gastroenterologist in Irvine who sees patients during the weekend?

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

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        Zocdoc›Gastroenterologists›Orange County, CA›Irvine, CA›UnitedHealthcare