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315 verified Gastroenterologists in Orange County, 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 08/22/2026
Availability last updated 08/22/2026
Gastroenterologist
4.77
·255 reviews
Very efficient. Very courteous. Very knowledgeable - Aug 14, 2025 by Marta M.Click to read more
45.5 mi · 5400 Balboa Blvd, Ste 228, Encino, CA 91316
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
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: Mon, Aug 31
Gastroenterologist
4.93
·270 reviews
Took the time to understand the problem. Came up with multiple options. Great doctor, easy to work with.Click to read more
45.5 mi · 5400 Balboa Blvd, Ste 228, Encino, CA 91316
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
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: Wed, Sep 9
Physician Assistant (Gastroenterology)
4.92
·49 reviews
Very nice and knowledgeable on my issues - Jul 29, 2025 by Lawrence T.Click to read more
41 mi · 28078 Baxter Rd, Ste 530, Murrieta, CA 92563
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Tue, Aug 25
Physician Assistant (Gastroenterology) (Virtual)
4.92
·49 reviews
Very nice and knowledgeable on my issues - Jul 29, 2025 by Lawrence T.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Wed, Aug 26
Physician Assistant (Gastroenterology) (Virtual)
4.92
·49 reviews
Very nice and knowledgeable on my issues - Jul 29, 2025 by Lawrence T.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Tue, Aug 25
Cardiologist
39.5 mi · 2901 Wilshire Blvd, Ste 300, Santa Monica, CA 90403
Accepting new patients ·
Read bio
Dr. Jenica Thangathurai is a board-certified cardiologist who combines advanced diagnostics with a thoughtful, proactive approach to care. She specializes in preventative cardiology, women’s cardiovascular health, hypertension, lipidology, and performance-based care, always taking time to listen and...Click to read more
Next available: Mon, Sep 28
Physician Assistant (Gastroenterology)
5.00
·18 reviews
Office was efficient and on time. I barely waited in the lobby and the doctor was very prompt once I was in an exam room. - Mar 21, 2025 by Nathan W.Click to read more
41.5 mi · 40663 Murrieta Hot Springs Rd, Ste C1, Murrieta, CA 92562
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Michael Shrader is a highly experienced Physician Assistant (PA) and retired 27-year U.S. Navy veteran with a diverse and distinguished career in military and civilian healthcare. He graduated with a Master of Science in Physician Assistant Studies from the University of Nebraska Medical Center in 2...Click to read more
Next available: Mon, Aug 31
Physician Assistant (Gastroenterology)
4.92
·49 reviews
Very nice and knowledgeable on my issues - Jul 29, 2025 by Lawrence T.Click to read more
41.5 mi · 40663 Murrieta Hot Springs Rd, Ste C1, Murrieta, CA 92562
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Mon, Aug 31
Gastroenterologist
4.77
·255 reviews
Very efficient. Very courteous. Very knowledgeable - Aug 14, 2025 by Marta M.Click to read more
49 mi · 18350 Roscoe Blvd, Ste 702, Northridge, CA 91325
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
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: Fri, Sep 18
Gastroenterologist
4.93
·270 reviews
Took the time to understand the problem. Came up with multiple options. Great doctor, easy to work with.Click to read more
49 mi · 18350 Roscoe Blvd, Ste 702, Northridge, CA 91325
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
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, Sep 25
Internist
4.91
·306 reviews
He was very honest and made me feel comfortable. He is now my new primary doctor. - Mar 27, 2018 by Shinikka W.Click to read more
43.5 mi · 15450 Ventura Blvd, 102, Sherman Oaks, CA 91403
Accepts Aetna, BlueCross BlueShield, Medicare + 15 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in lower back pain + 6 more ·
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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
Gastroenterologist
4.85
·124 reviews
The doctor was so friendly and informative. I felt very comfortable talking to her about anything - Mar 3, 2026 by Alexandra P.Click to read more
56 mi · 6185 Paseo Del Norte, Ste. 140, Carlsbad, CA 92011
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
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, Aug 25
Gastroenterologist
4.83
·59 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
56 mi · 6185 Paseo Del Norte, Ste. 140, Carlsbad, CA 92011
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
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, Sep 4
Gastroenterologist
4.75
·79 reviews
I filled out all the information three times before I arrived & I still had to fill it out again when I went to the doctors office. This was not east since the forms were in a very small text & a little blurry. They said thay did not receive my information online. - May 15, 2025 by David A.Click to read more
56 mi · 6185 Paseo Del Norte, Ste. 140, Carlsbad, CA 92011
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
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: Wed, Sep 9
Gastroenterologist
4.39
·59 reviews
Everyone was very pleasant to deal with, and everything was explained satisfactorily. - May 15, 2015Click to read more
62 mi · 1687 Erringer Rd, Suite 103, Simi Valley, CA 93065
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · 24 years of experience · Expertise in upper gi endoscopy + 10 more ·
Read bio
Dr. Mayur Trivedy, MD, is a Board Certified Gastroenterologist serving patients in the Simi Valley, California area and surrounding communities. He attended The Ross University School of Medicine and completed an internship, residency and fellowship at the State University of New York, Downstate Med...Click to read more
Next available: Mon, Aug 24
Gastroenterologist
4.75
·79 reviews
I filled out all the information three times before I arrived & I still had to fill it out again when I went to the doctors office. This was not east since the forms were in a very small text & a little blurry. They said thay did not receive my information online. - May 15, 2025 by David A.Click to read more
61 mi · 477 N El Camino Real, Ste A308, Encinitas, CA 92024
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
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, Aug 31
Gastroenterologist (Virtual)
4.88
·32 reviews
Didn't do video visits even tho Ocdoc assigned one ?? - Jun 10, 2026 by Jewel D.Click to read more
Encinitas, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Dr. Salem earned his medical degree from McGill University in Montreal, Canada. Following medical school, he trained in Internal Medicine at Rush University Medical Center in Chicago, IL. During his time at Rush, he was selected to serve as Chief resident for one year, where he played an important r...Click to read more
Next available: Wed, Sep 9
Gastroenterologist
4.88
·32 reviews
Didn't do video visits even tho Ocdoc assigned one ?? - Jun 10, 2026 by Jewel D.Click to read more
61 mi · 477 N El Camino Real, Ste A308, Encinitas, CA 92024
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · Highly recommended · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Dr. Salem earned his medical degree from McGill University in Montreal, Canada. Following medical school, he trained in Internal Medicine at Rush University Medical Center in Chicago, IL. During his time at Rush, he was selected to serve as Chief resident for one year, where he played an important r...Click to read more
Next available: Wed, Sep 9
Gastroenterologist
4.83
·59 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
61 mi · 477 N El Camino Real, Ste A308, Encinitas, CA 92024
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
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: Mon, Sep 14
Gastroenterologist
4.39
·59 reviews
Everyone was very pleasant to deal with, and everything was explained satisfactorily. - May 15, 2015Click to read more
66 mi · 2230 Lynn Rd, Suite 210, Thousand Oaks, CA 91360
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · 24 years of experience · Expertise in upper gi endoscopy + 10 more ·
Read bio
Dr. Mayur Trivedy, MD, is a Board Certified Gastroenterologist serving patients in the Simi Valley, California area and surrounding communities. He attended The Ross University School of Medicine and completed an internship, residency and fellowship at the State University of New York, Downstate Med...Click to read more
Next available: Thu, Aug 27
Family Physician (Virtual)
4.69
·2296 reviews
He is patient and I dont feel rushed. Seems likes he cares and wants to help.Click to read more
Sunnyvale, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
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: Tue, Aug 25
Nurse Practitioner (Virtual)
5.00
·21 reviews
Such an amazing appointment , really is compassionate about his want in helping people 100% recommend. - Jul 15, 2026 by Ashley S.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield + 3 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Jeremy Montemayor is a board-certified Nurse Practitioner with over 20 years of clinical experience at UCSF and Stanford — now serving California patients evenings and weekends through Weekend NP. About Jeremy Montemayor, NP — Weekend NP, California With more than 20 years of clinical experience sp...Click to read more
Next available: today
Family Nurse Practitioner (Virtual)
5.00
·5 reviews
Helpful and informative doctor with great bedside manner and was able to see me on short notice. - Jul 14, 2026 by Shira G.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 1 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: Mon, Aug 24
Physician Assistant (Gastroenterology) (Virtual)
5.00
·30 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
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
Next available: Tue, Aug 25
Family Nurse Practitioner (Virtual)
4.80
·190 reviews
Superb - Jan 23, 2026 by Jennifer S.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 18 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Jezwah Harris is a Quadruple Board-Certified clinician and the founder of NoMi Beach Health, a premier medical practice based in North Miami Beach and Aventura, Florida, providing both in-person and telehealth services across multiple states. The practice specializes in primary care, endocrinolo...Click to read more
Next available: Tue, Aug 25
Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·30 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
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
Next available: Tue, Sep 1
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·30 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 15 years of experience · Offers video visits · Highly recommended ·
Read bio
Aimee Gish is a dedicated acute care nurse practitioner who prides herself on delivering comprehensive gastrointestinal (GI) care in her role at Oshi Health. She is thrilled to be part of a multidisciplinary team of GI-focused professionals, including registered dietitians and gut-brain specialists....Click to read more
Next available: Tue, Sep 8
Internist (Virtual)
5.00
·8 reviews
Dr P is such a great professional and also super sweet. It’s the first time I meet her and I felt so comfortable, like she knows what she’s doing and gives you that peace and comfort you expect from a care provider. by GPClick to read more
Markleeville, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in high cholesterol + 1 more ·
Read bio
Dr. Dimitra Papaspyridi is a dedicated internist providing comprehensive virtual care through NeogevityMD. She earned her Doctor of Medicine degree from the University of Athens Medical School and is board-certified by the American Board of Internal Medicine. Her patient-centered approach emphasizes...Click to read more
Next available: Thu, Aug 27
Psychiatrist (Virtual)
4.93
·14 reviews
Just finished my telehealth appointment with Psychiatrist. She is second gen African (mom from Zimbabwe, dad from Ghana). Went to Yale and interned at UC Davis. Lives in Sacramento. And she did order labs. Highly recommended. - May 22, 2026Click to read more
Markleeville, CA
Accepts BlueCross BlueShield, Cigna, Medicare + 1 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Hello! I’m Dr. Zola Chihombori Quao. I view well-being as something far deeper than simply not being sick—it’s the ability to flourish emotionally, mentally, and physically. I completed my medical degree at the Yale School of Medicine and my psychiatry and family medicine residencies concurrently at...Click to read more
Next available: Thu, Sep 10
Family Nurse Practitioner (Virtual)
San Francisco, CA
Accepts BlueCross BlueShield, Cigna, UnitedHealthcare + 3 more
Accepting new patients · Offers video visits ·
Read bio
Ms. Natalia Poleschuk is a highly skilled family nurse practitioner in San Francisco, CA. She sees patients both in-person and virtually at Free Association Clinic. Ms. Poleschuk earned her master's degree in family health nursing from the United States University. She provides routine checkups, he...Click to read more
Next available: Tue, Aug 25
Gastroenterologist (Virtual)
4.98
·121 reviews
She was extremely informative and helpful. I hope she helps me. - Feb 4, 2025 by Aida D.Click to read more
Yorba Linda, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Offers video visits · 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
Gastroenterologist
4.98
·121 reviews
She was extremely informative and helpful. I hope she helps me. - Feb 4, 2025 by Aida D.Click to read more
7 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
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
Gastroenterologist
4.75
·28 reviews
OK. Waiting time in between nurses & doctor rather long. by JDClick to read more
8.5 mi · 408 S Beach Blvd, Ste 211, Anaheim, CA 92804
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended · Expertise in colonoscopy + 1 more ·
Read bio
Dr. Amit Bhanvadia is a reputable gastroenterologist. He brings extensive experience to his role at OC Gastrocare, Anaheim, CA. Patients visit him for various medical concerns, including diarrhea, hemorrhoids, colon cancer, and constipation. Dr. Bhanvadia completed his bachelor’s degree at the Univ...Click to read more
Gastroenterologist
4.77
·245 reviews
Very knowledgeable and patient. Took time to answer any questions. by Monica Z.Click to read more
8.5 mi · 408 S Beach Blvd, Ste 211, Anaheim, CA 92804
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · 21 years of experience · Expertise in colonoscopy + 6 more ·
Read bio
Dr. Jason Yip is an energetic, caring gastroenterologist treating patients in Anaheim, California, and the surrounding communities. His approach to practice is to treat each of his patients as he would members of his own family, and he makes sure to take the time to provide care that is both compete...Click to read more
Gastroenterologist (Virtual)
4.77
·245 reviews
Very knowledgeable and patient. Took time to answer any questions. by Monica Z.Click to read more
Anaheim, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 21 years of experience · Offers video visits · Expertise in colonoscopy + 6 more ·
Read bio
Dr. Jason Yip is an energetic, caring gastroenterologist treating patients in Anaheim, California, and the surrounding communities. His approach to practice is to treat each of his patients as he would members of his own family, and he makes sure to take the time to provide care that is both compete...Click to read more
Gastroenterologist (Virtual)
4.75
·28 reviews
OK. Waiting time in between nurses & doctor rather long. by JDClick to read more
Anaheim, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in colonoscopy + 1 more ·
Read bio
Dr. Amit Bhanvadia is a reputable gastroenterologist. He brings extensive experience to his role at OC Gastrocare, Anaheim, CA. Patients visit him for various medical concerns, including diarrhea, hemorrhoids, colon cancer, and constipation. Dr. Bhanvadia completed his bachelor’s degree at the Univ...Click to read more
Gastroenterologist (Virtual)
4.98
·121 reviews
She was extremely informative and helpful. I hope she helps me. - Feb 4, 2025 by Aida D.Click to read more
Huntington Beach, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Offers video visits · 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
Gastroenterologist
4.98
·121 reviews
She was extremely informative and helpful. I hope she helps me. - Feb 4, 2025 by Aida D.Click to read more
10.5 mi · 18682 Beach Blvd., Ste. 150, Huntington Beach, CA 92648
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
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
Gastroenterologist
4.93
·153 reviews
I had a great appointment and would highly recommend - Jul 21, 2025Click to read more
10.5 mi · 18682 Beach Blvd., Ste. 150, Huntington Beach, CA 92648
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Seyedehsan (“Ehsan”) Navabi is a former Director of both the Inflammatory Bowel disease and Gastrointestinal Motility Disorders at the Rutgers New Jersey Medical School where he served as Assistant Professor of Gastroenterology. He obtained his medical degree from Tabriz University of Medica...Click to read more
Gastroenterologist
5.00
·11 reviews
Dr. Kerekes and his staff are knowledgeable, friendly, and efficient. Great communication and follow up. Dr. Kerekes took time to ask me questions and listened to my answers. A very good experience. - Jan 29, 2026 by Susan S.Click to read more
12 mi · 401 Old Newport Blvd, Ste 101, Newport Beach, CA 92663
Accepts Aetna, BlueCross BlueShield, Cigna + 20 more
Also offers video visits · Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in colonoscopy + 6 more ·
Read bio
Dr. Kerekes is local to Newport Beach and is excited to serve the community he knows and loves. In 2022 he moved his practice of 17 years from Long Beach to Newport Beach to be closer to his family. He is fluent in Spanish and is privileged at Hoag Hospital Newport & Irvine. Dr. Kerekes is dedicate...Click to read more
Calendar Check
1-3 days

Average time it takes to be seen by a provider

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
Easy same day appointment and was able to pick up my prescription within an hour of finishing my visit. Highly recommend
Jordan M
Thanks Zocdoc! You have been a lifesaver. I was able to find some of the best doctors. This app makes looking for quality care a lot easier.
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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Orange County?

On average, patients who use Zocdoc can search for a Gastroenterologist in Orange County, 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 Orange County who accept your insurance and make an appointment online.


How can I find an Orange County Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for an Orange County Gastroenterologist who takes your insurance. 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 Gastroenterologist in Orange County?

Zocdoc is a free online service that helps patients find Gastroenterologists in Orange County and book appointments instantly. You can search for Orange County Gastroenterologists by symptom or visit reason. Then, choose your insurance plan. 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 Orange County?

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


How can I find an Orange County Gastroenterologist who sees patients after hours?

On Zocdoc, you can search specifically for Orange County Gastroenterologists with availability after 5 p.m.


How can I find a top-rated Gastroenterologist in Orange County?

You can use Zocdoc to find Gastroenterologists in Orange County 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 Orange County?

Gastroenterologists in Orange County 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 my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Orange County who accept your insurance 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 Gastroenterologist in Orange County 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 Gastroenterologist in Orange County who sees patients during the weekend?

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


Who is a gastroenterologist? 

The medical study of the digestive tract, gallbladder, bile ducts, pancreas, and liver forms part of gastroenterology. Doctors specializing in treating the gastrointestinal (GI) tract and liver disorders are called gastroenterologists. GI specialists can perform routine procedures such as colonoscopies. 


Education and training of a gastroenterologist

Medical students aspiring to specialize in gastroenterology must complete three years of internal medicine residency after completing mandatory medical school education. They then proceed to a two or three-year fellowship in gastrointestinal diseases. 


The fellowship intends to provide in-depth exposure to GI problems and remedial measures. Nationally recognized gastroenterology experts train doctors and give them a holistic understanding of gastrointestinal diseases. Besides mastering the required technical expertise, doctors are also trained to care for patients during pre-hospitalization. 


Formal training imparts detailed theoretical and practical knowledge in endoscopy (upper, sigmoidoscopy, and colonoscopy), EMR (endoscopic muscular resection), EUS (endoscopic ultrasound), and endoscopic biliary examination. Students also gain expertise in other endoscopic procedures, such as intestinal dilation, hemostasis, and polypectomy. 


The American College of Gastroenterology, the American Board of Internal Medicine, the American Gastroenterological Association, and the American Society for Gastrointestinal Endoscopy are bodies that monitor doctors during their fellowship. Following their successful completion of the fellowship, they must clear the board examination to be called board-certified gastroenterologists.


Medical disorders that gastroenterologists treat

Gastroenterologists are trained medical professionals with extensive knowledge of the regular functioning of the digestive system. They understand how food moves through the stomach and intestine, how nutrients are absorbed, how waste is removed, and the role of the liver in the digestive process. Such expertise allows them to diagnose & treat such problems as


  • Colon polyps - Colorectal polyps are mucosal growths on the colon's inner lining. Polyps are usually benign, but if you frequently experience blood in your stools or rectal pain, persistent diarrhea, etc., it's better to consult a specialist at the earliest. 
  • Gastroesophageal reflux disease (GERD) - This condition is triggered by the backward flow of gastric content and acid through the esophagus, causing chest pain and burns. This common GI disorder is also known as acid regurgitation.
  • Hepatitis - Hepatitis is a common gastrointestinal malfunction that happens due to inflammation of the liver. Alcohol abuse, viral infection, and autoimmune disorders can lead to hepatitis.
  • Peptic ulcers - The bacteria H. Pyroli, or erosion of the stomach mucosa due to increased acid production, can create sores known as peptic ulcers in the stomach (gastric ulcer), small intestine (duodenal ulcers) and lower esophagus (esophageal ulcer). 
  • Colitis - Colitis is caused by large intestine or colon inflammation. It can cause mild or extreme pain in the abdominal area.
  • Gallbladder and biliary tract diseases - Cholestasis or biliary obstruction can be caused by stones in the bile duct. The condition requires immediate medical treatment that may require surgical intervention.
  • Irritable bowel syndrome (IBS) - People suffering from IBS experience abnormal bowel movements in frequency and consistency. They also experience lower abdominal pain.
  • Pancreatitis - Inflammation of the pancreas is commonly referred to as pancreatitis. This condition can be acute, i.e., come and go intermittently, or chronic, requiring different remedial measures. 
  • Celiac disease - An autoimmune disorder leading to inflammation in the small intestinal mucosa. People suffering from this disorder are usually allergic to gluten. 


When should you consult a gastroenterologist near you?

Your family physician is likely to refer you to a gastroenterologist if you are experiencing any of the following symptoms:


  • Blood in stools - Blood in your stool might go unnoticed initially but can lead to iron deficiency and anemia over time. Hemorrhoids are a common cause, but if over-the-counter treatments do not help, it’s wise to consult a gastroenterologist to rule out other causes of bleeding.
  • Difficulty swallowing - Painful or difficult swallowing should be evaluated by a specialist, who may perform an upper endoscopy to identify the cause of your issue and recommend appropriate treatment.
  • Recurring or persistent abdominal pain
  • Chronic persistent diarrhea or constipation - While diarrhea often resolves within 24 to 48 hours, chronic or severe cases may indicate a more serious issue, like irritable bowel syndrome, Crohn’s disease, or even colon cancer. Seek medical attention if diarrhea is prolonged or accompanied by a fever over 102°F.
  • Acid reflux or heartburn - If you have frequent heartburn more than twice a week, it may signal acid reflux or gastroesophageal reflux disease (GERD). Regular heartburn should be evaluated by a gastroenterologist to prevent potential complications.
  • Yellow discoloration of skin or jaundice
  • Unexplained weight loss - If you’re losing weight unintentionally without any changes in diet or activity, this could signal a gastrointestinal condition. Issues like celiac disease or even certain cancers can also cause sudden, unexplained weight loss.
  • Constant bloating - While occasional bloating is normal, chronic bloating can indicate issues like small intestinal bacterial overgrowth (SIBO), irritable bowel syndrome (IBS), or lactose intolerance. A gastroenterologist can help pinpoint the cause and enhance your quality of life.


People above 50 with a positive family history of colon or rectal cancer must visit a gastroenterologist for preventive care, as they are at an increased risk of developing cancer. If you’re experiencing any of these symptoms, scheduling a gastroenterology appointment can help with early diagnosis, effective treatment, and improved well-being.


Benefits of seeing a gastroenterologist

Experiencing gastrointestinal disorder symptoms such as abdominal pain, constipation, or persistent diarrhea can make daily life activities and work difficult. While some nonprescription medications can help with these symptoms, they may provide only temporary relief. Some symptoms can be indicative of a serious underlying health condition. Therefore, it is advisable to visit a qualified gastroenterologist near you. 


Here's why seeing a gastrointestinal specialist can be beneficial

  • Comprehensive evaluations - Diagnosing specific issues within the gastrointestinal tract may be difficult, given that the symptoms can indicate various problems in the body. However, when you see a gastroenterologist, they will most likely recommend or perform multiple diagnostic and imaging tests to fully understand the root cause of your symptoms. Based on your test results, your gastroenterologist will be able to make an accurate and error-free diagnosis and give you clarity on your condition. 
  • Quick relief - Given their expertise and training in evaluating the GI tract, a gastroenterologist can quickly understand and point out the cause of your symptoms. Further, they can also recommend the appropriate prescription medication for specific problems to help provide quicker relief. They can also refer you to other specialists and offer better treatment options than over-the-counter medicines and home remedies. 
  • Preventive screenings and early diagnosis - Most gastrointestinal issues develop over time and are not life-threatening. However, some severe conditions may be concerning if left undetected and undiagnosed. Additionally, some of these conditions may have little to no symptoms. Therefore, you must see a gastroenterologist near you so that they can detect any severe conditions in their early stages and help you avoid painful symptoms. 


How do gastroenterologists diagnose GI problems? 

In addition to conducting a physical exam upon a visit, your gastroenterologist may also recommend standard tests or screenings once they have reviewed your recurring symptoms and family and medical history. 


Gastroenterologists may perform the following tests: 


  • Endoscopy

To perform an endoscopy, a gastroenterologist attaches a camera to a long, thin tube called an endoscope to examine the digestive tract. This device is passed through the mouth and down the throat and is used to view the esophagus, the upper part of the small intestine, and the stomach. The endoscope sends back images on the screen for the doctor to monitor and diagnose the condition.


A doctor will recommend endoscopy if the patient is experiencing stomach pain, ulcers, gastritis, difficulty swallowing, bleeding in the digestive tract, and changes in bowel habits. The doctor also checks for any growth or polyps in the colon. 


There are a few ways to prepare for the endoscopy:

  • Ensure to stop eating anything 6-8 hours before the endoscopy
  • A laxative is given to the patient to ensure that the colon is cleared of stool
  • Sedatives are given just before the procedure to relax the patient
  • Colonoscopy


A colonoscopy is performed mainly to monitor the colon. Like endoscopy, a tube is inserted, and the images are visible on the screen. The difference, however, is the tube, in this case, is inserted through the rectum rather than the mouth.


Individuals experiencing early symptoms of colon or rectum cancer, such as abdominal pain and rectal bleeding, may require a colonoscopy to identify the causes of bowel habit changes. The patient might feel cramps during the procedure, which usually disappears once done. If the doctor finds something abnormal, they can take small tissue samples for biopsy. Colonoscopies are accurate and successfully diagnose and treat the conditions without the patient undergoing any major operation.


It would help inform the doctor about any other condition you might suffer before the procedure. Apart from this, there might be some diet and fluid restrictions before having a colonoscopy, which the doctor will direct. The doctor can also administer Laxatives to ensure the colon is clear. 


After the medical procedure, the patient must remain in the recovery room for at least 30 minutes for observation. The patient may experience cramping or passing gas sensations, which will subside quickly. The patient can resume their normal diet after the procedure is finished. In case of severe complications, such as excessive rectal bleeding, severe abdominal pain, fever, or chills, the patient should immediately contact their doctor.


  • Polypectomy

A polypectomy is performed to remove polyps from the bowel. Polyps are non-cancerous growth on the linings of the colon. The two most common forms of polypectomies are uterine polypectomy and colon polypectomy.


Doctors diagnose the presence of polyps after the screening. However, polyps only require removal if they start causing pain and bleeding symptoms. 


Some of the risks associated with the procedure are:

  • Organ perforation - The colonoscope might end up puncturing the organ it operates on, which can cause fatal injury and is very rare.
  • Infection - The polypectomy causes a wound if the wound gets infected, mainly if the patient doesn't follow the doctor's restrictions.
  • Excessive bleeding - If the wound doesn't heal, it might cause bleeding.
  • Incomplete removal: Some tissues might be left while performing the procedure, requiring repeated removal.
  • A barium enema - The lower gastrointestinal series, also known as a barium enema, is a medical test that involves injecting barium sulfate into the rectum to obtain high-contrast X-ray images of the large intestine or colon. This test is recommended for people with chronic diarrhea or constipation, rectal bleeding, unexplained weight loss, abdominal pain, or changes in bowel habits.


How do you keep your gut healthy?

Our digestive tract is filled with microorganisms that are beneficial for our health. Maintaining gut health means maintaining a balance of those microorganisms, as any irregular change can

affect our mental and physical health. There are some research-backed ways to care for gut health and enhance our overall health. A few of those practices are listed below:


  • Taking probiotics and consuming fermented foods can help to boost the beneficial bacteria. A few such foods are fermented vegetables, kimchi, kombucha, etc.
  • Research suggests that prebiotics help probiotics become more tolerant to adverse conditions like pH and temperature changes. Foods rich in prebiotics are asparagus, bananas, garlic, whole grains, etc.
  • Restricting sugar and sweeteners, as too much sugar can affect the microbes and cause an imbalance. It can further increase the number of certain microbial strains linked to metabolic diseases such as diabetes and heart disease.
  • Reducing stress can help improve a person's overall health, including gut health. There can be several stressors like psychological and environmental stress, sleep deprivation, and disturbance of the circadian rhythm. Meditating, regularly exercising, maintaining a healthy diet, and sleeping well can help reduce stress.
  • Avoiding too many antibiotics apart from combating bacterial infections in the body can also kill the good bacteria in the gut. Along with it, overusing antibiotics can also lead to antibiotic resistance.
  • Avoiding smoking can help restore the imbalance in microbes caused by smoking. Smoking decreases the levels of beneficial bacteria in the intestine and increases the number of potentially harmful microorganisms.

Find the best gastroenterologist near you in Orange County, CA 

Gastrointestinal disorders may seem harmless in the beginning. Many conditions may subside with over-the-counter medications or changes in lifestyle and diet plans. However, you must consult an expert without delay if you have prolonged symptoms. 


On Zocdoc, you can find some of the best gastroenterologists in Orange County, CA. They specialize in a variety of gastrointestinal problems. Each registered doctor's individualized profile briefly overviews their education and specialties and comes with patient testimonials. The patient testimonials are regularly updated and verified.


Finding the profile that best suits your needs is made easier with the help of search filters. You can enter your preferred date, time, location, and the condition you're suffering from. Zocdoc also lets you find doctors who can cater to your insurance plans. These filters help you customize your search further. 


If your insurance plan isn’t listed on Zocdoc, you can upload a photo of your medical insurance card (this feature currently doesn’t support vision or dental cards). Zocdoc will scan the image to identify your likely plan. This process makes it easier to match you with providers who accept your insurance, ensuring a smoother experience as you book your appointment. If you run into any issues uploading the image, you can reach out to the Zocdoc service team for assistance. For further insurance-related queries, refer to Zocdoc's patient help center


Some of the best gastroenterologists near you can also provide video consultations. 

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A statistical overview of gastrointestinal diseases

While some gastrointestinal diseases may have a familial history or be induced by autoimmune disorders, many conditions are triggered by lifestyle factors. According to UCI Health Community Health Needs Assessment 2019, around 33% of the adult population in Orange County is overweight, with over 28% of teens over the obesity threshold. 


As per the Centers for Disease Control and Prevention, colorectal cancer is the second most deadly cancer in the United States. Over 100,000 colon cancer cases were detected in 2020, with a nearly equal split between men and women affected by the disease. 


The study suggests that if adults above 50 undergo regular colon cancer screening, about 60% of cancer cases can be prevented. In Orange County, the screening figure stands above 70%. 

The estimated cases of gastroesophageal reflux disease in the US range from 18% to 27%. Cases of acute pancreatitis range from about 5 to 35 in every 100,000 people in the US. Around 3 million cases of IBD (either ulcerative colitis or Crohn's disease) were reported in the United States in 2015. 


Sources

WebMD[1]

News Medical Life Sciences

Healthline 

MedicineNet

NorthShore Gastroenterology & Endoscopy Centers

Verywell Health[1]

Verywell Health[2]

Mayo Clinic

WebMD[2]

Medical New Today

American College of Gastroenterology

Cleveland Clinic

Physicians Alliance of Connecticut

The content herein is provided for general informational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. Medical information changes constantly, and therefore the content on this website should not be assumed to be current, complete or exhaustive. Always seek the advice of your doctor before starting or changing treatment. If you think you may have a medical emergency, please call your doctor or 9-1-1 immediately.

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