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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 11/02/2026
Availability last updated 11/02/2026

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·198 reviews
Good provider. Listened to my concerns and ordered follow up testingClick to read more
3.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice.Click to read more
Next available: Tue, Nov 24

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·32 reviews
This was my third time visiting this practice. I trust Dr. Singh completely with my medical needs - Sep 9, 2026 by Gregory S.Click to read more
7.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 8 more ·
Read bio
Dr. Hardeep M. Singh grew up in Orange County and obtained his undergraduate and medical degrees from USC. While completing his internship and residency at Cedars Sinai Medical Center, Dr. Singh received the Leo Rigler Award for his academic achievement. While completing his fellowship in Gastroente...Click to read more
Next available: tomorrow

Dr. Ousama Alkhatib, MD

Gastroenterologist
4.72
·32 reviews
Very knowledgeable. Listened to my concern attentively and gave me education on my issue. - Jun 30, 2026 by Margaret W.Click to read more
7.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Ousama Alkhatib, MD is a board-certified physician specializing in Gastroenterology, practicing medicine in Orange, California. He completed medical school at Faculty of Medicine in Alepp, ...Click to read more
Next available: Wed, Nov 4

Dr. Alaa Abousaif, MD

Gastroenterologist
4.86
·42 reviews
Very professional, listened to my list of symptoms and read all of the copies of my labs that I brought.Click to read more
7.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 6 more ·
Read bio
Dr. Alaa Abousaif has been in private practice for the past fifteen years. He has completed extensive advanced training in treating a multitude of digestive disorders and possesses the expertise in utilizing the latest technology to accurately diagnose and treat a full range of digestive problems. ...Click to read more
Next available: Thu, Nov 5

Dr. James Lee, MD

Gastroenterologist
4.97
·30 reviews
7.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Dr. James J. Lee has a private practice located in Orange, California and is a clinical assistant professor at the University of California, Irvine. In the last two decades, Dr. Lee has been involved in numerous end...Click to read more
Next available: Tue, Dec 8

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·9 reviews
I had an excellent experience with Dr. Levitt today. From the moment the appointment began, she was incredibly pleasant, kind, and welcoming, which immediately put me at ease. What stood out the most was how much she cared about getting the full picture of my health. Dr. Levitt took the time to t...Click to read more
3.5 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: Fri, Nov 20

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
5.00
·1 review
3.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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: Sat, Nov 21

Jaquolin Eskandr, FNP

Family Nurse Practitioner
4.85
·254 reviews
It was really helpful appointment where doctor try to help - Mar 26, 2023 by Anastassiya G.Click to read more
6.5 mi · 400 Newport Center Dr, Ste 301, Newport Beach, CA 92660
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
JAQUOLIN ESKANDR, NP NURSE PRACTITIONER Jaquolin Eskandr is a licensed and registered family nurse practitioner. She completed her Master's degree in Family Practice Nursing from California State University, Long Beach, CA. She has been in the nursing field since 2008 and is also wound care...Click to read more
Next available: Fri, Nov 6

Dr. Henry Cheng, MD

Family Physician
4.64
·120 reviews
Punctual, friendly and helpful! Presented with a variety of options going forward and out in less than 1 hour. Excellent! - Nov 2, 2018 by Cameron J.Click to read more
11 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time · Expertise in chronic diabetes + 4 more ·
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: tomorrow

Dr. Howard Chung, MD

Gastroenterologist
5.00
·1 review
17 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Howard Chung, MD, is a gastroenterologist with Unio Specialty Care, practicing at the Los Alamitos office. Dr. Chung completed gastroenterology fellowship at HonorHealth in Arizona and int...Click to read more
Next available: Thu, Nov 5

Dr. Marco Paez, MD

Gastroenterologist
4.86
·85 reviews
Very nice he explained everything and was very kind and patient office staff very nice and welcoming - Jan 2, 2025 by Pamela V.Click to read more
14.5 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
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: Wed, Dec 9

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·78 reviews
Took a bit of time to be seen, but doctor was friendly and knowledgeable, and staff seemed competent and helpful.Click to read more
15 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice. Dr. Essam Quraishi is the founder and President of Gastrointestinal and Liver Consultants, Inc. Dr. Quraishi graduated from medical s...Click to read more
Next available: Wed, Nov 25

Dr. Christina Steinhauser, DO

Gastroenterologist
4.98
·123 reviews
Dr. Christina was incredibly kind and caring. I am so happy to be in her hands.Click to read more
14.5 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, Dec 23

Dr. Alexander Tran, DO

Internist
4.83
·67 reviews
DR. Tran was Awsome! No one takes my pain seriously- but DR. Tran has a hands on approach that makes you feel seen. by CMClick to read more
14.5 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
Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Next available: tomorrow

Dawn Vollmann, PA

Physician Assistant
5.00
·1 review
Dawn did an excellent job of listening to my concerns and addressing them appropriately. I felt relaxed throughout the encounter because the staff was nice and welcoming. The office was clean. I was excited to learn about all the different services they provide, such as Dermatology, Physicals, an...Click to read more
14.5 mi · 4911 Warner Ave, Ste 205, Huntington Beach, CA 92649
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in pain in joint + 2 more ·
Read bio
Dawn Vollman, PA-C, is a dedicated Physician Assistant providing comprehensive family medicine services for patients of all ages. She is passionate about helping patients achieve their health goals through preventive care, chronic disease management, and timely treatment of acute illnesses. Dawn ha...Click to read more
Next available: Mon, Nov 9

Dr. Oscar Gantes, MD

Family Physician
4.98
·42 reviews
Excellent for establishing care visit. Very easy to find the office, ample parking right out front and clear signage. Waiting room has plenty of space, no worry about feeling cramped/stuffy vibes. Reception was friendly and clear with instructions; fill out the questionnaire they send online before...Click to read more
19 mi · 395 W Avenida Vista Hermosa, Unit K, San Clemente, CA 92672
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 3 more ·
Read bio
Dr. Oscar Gantes is a family physician at Mission Heritage - Internal Medicine in San Clemente, CA. He accepts patients of all ages and genders with common illnesses, chronic diseases, minor injuries, and mental health issues. Dr. Gantes understands patients' conditions and prepares individualized ...Click to read more
Next available: tomorrow

Dr. Paola Ortiz, MD

Internist
4.60
·94 reviews
Dr. Ortiz was friendly, patient, and listened to all my concerns. I would recommend her! - Aug 20, 2025 by Alyssa G.Click to read more
23 mi · 12052 Imperial Hwy, Ste 102, Norwalk, CA 90650
In-network · UnitedHealthcare
Also offers video visits · 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: Mon, Nov 23

Dr. Sadia Moinuddin, MD, DABOM

Bariatric Physician
4.74
·98 reviews
I'm happy I found a doctor who pays attention and listents. Clinic is friendly and clean. by KCClick to read more
23 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

Dr. James Kao, MD

Gastroenterologist
5.00
·30 reviews
31.5 mi · 552 W Foothill Blvd, Ste 200, Glendora, CA 91741
In-network · UnitedHealthcare
Accepting new patients · 23 years of experience · Highly recommended · Expertise in acid reflux + 5 more ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Dr. James Kao completed his undergraduate studies in Biomedical Engineering at Duke University, where he graduated Magna Cum Laude along with Graduation with Distinction. He went on to earn his medical degree from D...Click to read more
Next available: tomorrow

Dr. Emily Truong, MD

Gastroenterologist
5.00
·3 reviews
Dr. Truong was very kind and thorough and I highly recommend! Friendly staff as well.Click to read more
31.5 mi · 552 W Foothill Blvd, Ste 200, Glendora, CA 91741
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Emily Truong is a gastroenterologist with Unio Specialty Care. She specializes in the diagnosis and treatment of conditions affecting the digestive system and is committed to providing comprehensive, patient-centered gastrointestinal care. Dr. Truong earned her medical degree from the David Gef...Click to read more
Next available: Tue, Nov 10

Dr. Azhar Muttalib, MD

Internist
4.14
·85 reviews
The office staff and Dr Muttalib were very professional. The wait time was 35 min before I was seen after being taken to the exam room.Click to read more
33 mi · 23639 Hawthorne Blvd, Ste 102, Torrance, CA 90505
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in high cholesterol + 9 more ·
Read bio
Dr. Azhar Muttalib is a licensed internist providing state-of-the-art treatment to Torrance-area patients. After earning his Bachelor of Medicine, Bachelor of Surgery from Kakatiya Medical College in India, he completed his internship at Detroit Memorial Hospital and his residency in internal medici...Click to read more
Next available: today

Dr. Rehan Muttalib, MD

Family Physician
4.85
·299 reviews
I had a very positive experience with this doctor, I am very satisfied. - Mar 15, 2023 by Aurora A.Click to read more
33 mi · 23639 Hawthorne Blvd, Ste 102, Torrance, CA 90505
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper respiratory infection (uri) + 5 more ·
Read bio
Dr. Rehan Muttalib is a primary care physician specializing in preventative care, geriatrics, and the management of chronic conditions. He has a passion for anti-aging medicine and approaches both his patients' health and his own with a holistic perspective. Raised in the South Bay, Dr. Muttalib is ...Click to read more
Next available: Mon, Nov 30

Dr. Payam Shadi, MD

Internist
4.42
·38 reviews
They were wonderful and they successfully treated my problem. - Jul 21, 2026 by John B.Click to read more
42.5 mi · 8815 W Pico Blvd, Los Angeles, CA 90035
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure + 9 more ·
Read bio
YourMD Urgent Care, led by Dr. Payam Shadi, is committed to providing comprehensive, compassionate, and patient-centered medical care to the Los Angeles community. With over 25 years of experience in Internal Medicine and Sleep Medicine, Dr. Shadi brings extensive clinical expertise and a dedication...Click to read more
Next available: today

Dr. Sumeet Wadhwani, MD

Primary Care Doctor
4.98
·42 reviews
Dr. Sumeet is very attentive. I actually feel listened to and he was transparent about the plan for my health going forward. - Jul 8, 2026 by Jazmine J.Click to read more
43 mi · 8641 Wilshire Blvd, Ste 100, Beverly Hills, CA 90211
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
If for any reason you need to cancel your appointment after you Booked through ZocDoc, please call us so we can reschedule as we will accommodate you as best as possible. It is best to call us to find out so we can accommodate you if you end up canceling your appointment because of scheduling conf...Click to read more
Next available: Thu, Nov 5

Dr. Bahar Madani, MD

Gastroenterologist
4.84
·61 reviews
Clear communication genuinely cares about patients and tries to help them anyway she can - Jun 11, 2026 by Daniel F.Click to read more
48 mi · 6185 Paseo Del Norte, Ste 140, Carlsbad, CA 92011
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Bahar Madani is a board-certified gastroenterologist and hepatologist committed to helping patients achieve optimal digestive health. She is passionate about the early detection and prevention of colon cancer, believing that with today’s advanced techniques, no one should lose their life to this...Click to read more
Next available: Fri, Nov 13

Dr. Zohrab Keshishian, MD

Internist
5.00
·7 reviews
Yeah, it was a great experience. I felt hurt and I appreciate that. That’s what I’m looking for in my primary care doctor. Somebody who will listen to me share me the pros and cons of things. ? - Sep 25, 2026 by Chris S.Click to read more
41.5 mi · 214 N Central Ave, Glendale, CA 91203
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Zohrab Keshishian is a Primary Care Physician at Elevate Health Group and is proud to care for the community he grew up in. He is committed to building meaningful relationships with his patients and believes in a personalized, preventive approach to medicine that takes each individual's goals, l...Click to read more
Next available: Fri, Nov 20

Dr. Liza Plafsky, MD

Gastroenterologist
4.85
·128 reviews
Attentive doctor with great patience and compassion! Strongly recommend :) - Oct 31, 2024 by Yuan C.Click to read more
48 mi · 6185 Paseo Del Norte, Ste 140, Carlsbad, CA 92011
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Liza Plafsky completed her undergraduate degree in biology at Columbia University in New York City. She subsequently graduated from the University of Miami Miller School of Medicine and stayed there to complete her internship and residency at Jackson Memorial Hospital. She then moved to Tampa fo...Click to read more
Next available: Tue, Dec 1

Dr. Daniel Eshaghian, DO

Gastroenterologist
4.93
·274 reviews
Clear communication, listened and gave great explanations for what I'm experiencing. - Aug 8, 2023 by Anthony S.Click to read more
52.5 mi · 5400 Balboa Blvd, Encino, CA 91316
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Daniel Eshaghian is a native of the San Fernando Valley. He attended UCLA for his undergraduate studies, where he earned a Bachelor of Arts degree in Political Science. He subsequently earned his medical degree from Western University of Health Sciences, College of Osteopathic Medicine of the Pa...Click to read more
Next available: Fri, Nov 13

Dr. Alan Naim, MD

Gastroenterologist
4.78
·266 reviews
This doctor was kind, listened well, and had the answers I needed.Click to read more
52.5 mi · 5400 Balboa Blvd, Encino, CA 91316
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy + 1 more ·
Read bio
Dr. Alan Naim completed his Gastroenterology fellowship training at The University of Arizona/Banner Medical Center in Phoenix, Arizona. Prior to his fellowship, he earned his medical doctorate at The University of Toledo, College of Medicine in Ohio. He completed his internship and residency at USC...Click to read more
Next available: Thu, Nov 12

Dr. Dhuha Alhankawi, MD

Gastroenterologist
4.75
·79 reviews
,My time with Dr. Dhuha Alhankawi was wonderful, as she was very engaging, patient and knowledgeable concerning my recovery plan. She presented information in a clear and concise manner. I believe she is a wonderful choice regarding a physician to pursue when dealing with applicable issues or concer...Click to read more
53 mi · 477 N El Cam Real, A308, Encinitas, CA 92024
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr. Alhankawi received her medical degree from Jordan University of Science and Technology. After graduating, she finished her residency at Brooklyn Hospital Center in New York and was recognized as the Intern of the Year. At UCSF-Fresno, Dr. Alhankawi pursued her training in gastroenterology, where...Click to read more
Next available: Mon, Dec 7

Dr. Lloydette Brewah, DNP

Adult Psychiatric & Mental Health Nurse Practitioner (Virtual)
4.71
·14 reviews
Exceptional, I can only speak on who I’ve dealt with but my psychiatrist has been awesome. by EMClick to read more
Apple valley, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ms. Lloydette Brewah is an experienced adult psychiatric and mental health nurse practitioner at Precision Wood & Psychiatry Inc. She offers virtual consultations to improve access to quality care. Ms. Brewah addresses and treats a wide range of mental health conditions. Patients value her expertis...Click to read more
Next available: tomorrow

Dr. Bhargava Gannavarapu, MD

Gastroenterologist (Virtual)
4.86
·139 reviews
Overall it was a good experience and I recommend Dr. Bhargava - Aug 3, 2025 by Joseph S.Click to read more
Los Gatos, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
Dr. Bhargava Gannavarapu is a Board Certified Gastroenterologist. He earned his Doctor of Medicine from Rosalind Franklin University of Medicine and Science/The Chicago Medical School. He then completed his residency in Internal Medicine at the University of California, Irvine, followed by a fellows...Click to read more
Next available: Mon, Nov 23

Dr. Neesheet Parikh, DO

Family Physician (Virtual)
4.69
·2325 reviews
This was a tele consult. Brief conversation but Dr Neesheet was able to diagnose well and recommended recovery procedures - Mar 3, 2021 by Suresh V.Click to read more
Sunnyvale, CA
In-network · UnitedHealthcare
Accepting new patients · 19 years of experience · Offers video visits ·
Read bio
Dr. Parikh is a Primary Care and Sports Medicine physician at ParikhHealth who truly has a passion for medicine. He enjoys spending time with his patients, getting to know their entire family, and serving the community. He is currently the Chief Medical Officer and Head Team Physician for USA Crick...Click to read more
Next available: tomorrow

Dr. Yu-Xuan Dang, MD

Internist (Virtual)
4.83
·230 reviews
Very friendly stuff! Dr. Dang is really nice and professional - Jun 10, 2025 by Kang L.Click to read more
Mountain View, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 6 more ·
Read bio
Dr. John (Yu-Xuan) Dang is a native of the Bay Area, having lived in the South Bay for the last 30 years. He has been practicing medicine in the Sunnyvale/Mountain View area since 2018. Dr. Dang earned his Bachelor's degree from the University of California, Berkeley, and received his Doctor of Medi...Click to read more
Next available: Thu, Jan 14

Anna Mekhed

Family Nurse Practitioner (Virtual)
4.89
·93 reviews
Saw me last minute on a Sunday night, I’m very grateful - Jul 6, 2025 by Carmela Z.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
This provider currently accepts United Healthcare, Aetna, self pay (payable prior to the visit) and Medicare Part B Fee For Service Original Medicare insurance without secondary insurance, such as Medi-Cal or Medigap. Please reach out to confirm insurance and verify co-payment, deductible, or co-ins...Click to read more
Next available: today

Ebony Hillery, RN

Family Nurse Practitioner (Virtual)
5.00
·8 reviews
I feel as if the provider is very professional, a great listener, and gets straight to the point. Also kind! - Oct 3, 2026 by Devin S.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: today

Sarah O'Rourke, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·37 reviews
Amazing. - May 28, 2026 by Ronald R.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Sarah O’Rourke is a seasoned nurse practitioner with a background in treating patients with inflammatory bowel disease (IBD). In her role at Oshi Health, she’s passionate about educating IBD patients and helping them manage and prevent symptom flares. Prior to joining Oshi, Sarah worked with leadi...Click to read more
Next available: tomorrow

Theresa Obonyano, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·39 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Theresa Obonyano sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Theresa Obonyano is a family nurs...Click to read more
Next available: tomorrow

Ashley Anderson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·36 reviews
Dr. Anderson was very polite, knowledgeable and such a big help. I appreciated her for explaining things and answering all of my questions. I’ve searched for help with my condition and I have a feeling she will help me. - Mar 25, 2026 by Kiara D.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ashley Anderson, a board-certified family nurse practitioner, brings over 20 years of experience to Oshi Health. She aims to provide compassionate care that improves symptoms and elevates patient quality of life. Before joining Oshi, Ashley spent 17 years in a private outpatient gastroenterology a...Click to read more
Next available: tomorrow

Chimdi Mfebe, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.88
·33 reviews
Very quick and to the point. She was very knowledgeable and I left feeling much better.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
Read bio
Chimdi Mfebe sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Chimdi Mfebe is a nurse practitioner ...Click to read more
Next available: Wed, Nov 4
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Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
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Zocdoc saves me so much time I used to spend calling around to find a place that takes my insurance or finding openings with doctors on the list provided by my insurance!
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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