Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

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

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
270 verified Gastroenterologists in Fremont, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 04/22/2026
Availability last updated 04/22/2026

Dr. Amit Bhanvadia, MD

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 + 11 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

Dr. Jason Yip, MD

Gastroenterologist (Virtual)
4.77
·245 reviews
One of the best doctor i ever visited. Able to cure my disease soonClick to read more
Anaheim, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 11 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

Dr. Deborah Negusse, MD

Gastroenterologist (Virtual)
4.21
·71 reviews
I took the phone call option on my lunch break and didn’t get the call till I was back from my lunch- 30 min later. The nurse practitioner that I met with was the best, super sweet and great listener and understood everything I was talking about. I didn’t get to talk with the doctor. I wish they wer...Click to read more
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · Offers video visits · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr.Negusse was raised in Southern California. She obtained a joint Master of Public Health and Doctor of Medicine degree from HARVARD UNIVERSITY AND UNIVERSITY OF SOUTHERN CALIFORNIA. She then completed a Gastroenterology and Hepatology fellowship at Loma Linda University following her internship an...Click to read more

Dr. Yan Zhao, MD

Gastroenterologist (Virtual)
3.75
·8 reviews
Highly recommend! - Feb 8, 2024 by Melissa Q.Click to read more
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Dr. Yan Zhao is a proficient gastroenterologist serving the communities of San Bernardino and Rancho Cucamonga, California. After completing a medical degree from the prestigious Peking University Health Science Center, she furthered her academic journey with a residency in internal medicine at the ...Click to read more

Dr. Mariam Moosa Ali, DO

Family Physician (Virtual)
4.00
·6 reviews
The specialties listed are not accurate. It was a waste of time, and she told me to find someone more local. - Dec 9, 2025Click to read more
Brea, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Dr. Ali is board certified in Family Medicine and completed her residency training at Emanate Health in West Covina, California. She values establishing long-lasting relationships with her patients and creating a positive environment to help patients improve and manage their health. Dr. Ali treats a...Click to read more

Dr. Christina Steinhauser, DO

Gastroenterologist (Virtual)
4.97
·88 reviews
Dr. was very detailed on reviewing my case. Useful information and tips. - Jul 3, 2025 by Xuan Dao D.Click to read more
Eastvale, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 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

Dr. Luther Mangoba, MD

Family Physician (Virtual)
4.57
·42 reviews
The staff was great like always. Dr. Mangoba was very kind and knowledgeable. Will be back. by MPClick to read more
Newport Beach, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in chronic high blood pressure + 9 more ·
Read bio
Dr. Mangoba earned his bachelor's degree in Biology at the University of California, Riverside, in 1996. He graduated with a Doctor of Medicine from Loma Linda University School of Medicine in 2000. He completed his Family Medicine residency training at Riverside University Health System (formerly R...Click to read more

Dr. Christina Steinhauser, DO

Gastroenterologist (Virtual)
4.97
·88 reviews
Dr. was very detailed on reviewing my case. Useful information and tips. - Jul 3, 2025 by Xuan Dao D.Click to read more
Temecula, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 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

Dr. Karanbir Brar, MD

Internist (Virtual)
Oceanside, CA
Accepts Aetna, UnitedHealthcare + 3 more
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. Nikita Gore, MD

Family Physician (Virtual)
5.00
·31 reviews
Amazing experience with booking an appointment. Fast and easy. Doctor and staff was great. - Jan 10, 2026 by Matthew W.Click to read more
Poway, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 11 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic anemia + 6 more ·
Read bio
As a board-certified family medicine physician, Dr. Nikita Gore is dedicated to building long-term, meaningful relationships with her patients and their families. She believes that great care begins with listening and strives to create a welcoming environment where people feel heard, respected, and ...Click to read more
Other providers
Availability last updated 04/22/2026
Availability last updated 04/22/2026

Huilan Cheng, MD

Gastroenterologist
7941 mi · 2510 Webster St, Berkeley, CA 94705
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in upper gi endoscopy + 5 more ·
Read bio
Huilan Cheng, MD is a Gastroenterologist in Oakland, CA and Walnut Creek, CA. They completed their residency at Suny Buffalo Grad Med-Dent. They attended medical school at Beijing Medical University in 1994. Huilan Cheng was board certified by American Board of Gastroenterology Certification in Gast...Click to read more

Michael Silpa, MD

Gastroenterologist
7941 mi · 2510 Webster St, Berkeley, CA 94705
Accepts Aetna, Cigna + 3 more
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Michael Silpa, MD is a Gastroenterologist in Alameda, CA and Berkeley, CA. They completed their residency at Alameda Co Medical Center. They attended medical school at University Of California in 1976. Michael Silpa was board certified by American Board of Internal Medicine Certification in Internal...Click to read more

Lisa Higa, MD

Gastroenterologist
7941 mi · 2510 Webster St, Berkeley, CA 94705
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acute gastrointestinal bleeding + 7 more ·
Read bio
Lisa Higa, MD is a Gastroenterologist in Alameda, CA, Oakland, CA and Walnut Creek, CA. They completed their residency at Ucla School Of Medicine. They attended medical school at Hahnemann University School Of Medicine in 1991. Lisa Higa was board certified by American Board of Gastroenterology Cert...Click to read more

Mehra Hosseini, MD

Gastroenterologist
7941 mi · 2510 Webster St, Berkeley, CA 94705
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acute gastrointestinal bleeding + 7 more ·
Read bio
Mehra Hosseini, MD is a Gastroenterologist in Walnut Creek, CA, Oakland, CA and Brentwood, CA. They attended medical school at New York Medical College in 1993. They completed their residency at University Ca Davis Medical Center. Their offices are located in 365 Lennon Ln 230, Walnut Creek, CA, 365...Click to read more

Subhendu Narayan, MD

Gastroenterologist
7941 mi · 2510 Webster St, Berkeley, CA 94705
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acid reflux + 7 more ·
Read bio
Subhendu Narayan, MD is a Gastroenterologist in Oakland, CA, Alameda, CA and Walnut Creek, CA. They attended medical school at Joan And Stanford I. Weill Medical College Of Cornell Uni in 1986. They completed their residency at University Ca Sf School Of Medicine. Subhendu Narayan was board certifie...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
I was very pleased with everything about my appt. Super nice staff. Short wait. Another Zocdoc success!
Marielle A
Experience using Zocdoc and my provider was great! Exceeded my expectations
Ashley K
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
NPR
New York Times
Yahoo
Self
Verge
Wall Street Journal
Frequently asked questions

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

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

How can I find a Fremont Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a Fremont 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 Fremont?

Zocdoc is a free online service that helps patients find Gastroenterologists in Fremont and book appointments instantly. You can search for Fremont 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 Fremont?

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

How can I find a Fremont Gastroenterologist who sees patients after hours?

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

How can I find a top-rated Gastroenterologist in Fremont?

You can use Zocdoc to find Gastroenterologists in Fremont 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 Fremont?

Gastroenterologists in Fremont 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 Fremont 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 Fremont 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 Fremont who sees patients during the weekend?

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

Find doctors

        Zocdoc›Gastroenterologists›San Francisco, CA›Fremont, CA