Find an in-network doctor from over 10,000 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+)
277 verified Gastroenterologists in Sunnyvale, 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 10/01/2026
Availability last updated 10/01/2026
Family Nurse Practitioner (Virtual)
4.89
·93 reviews
Anna was kind, professional and well prepared. Thank you! - Aug 1, 2026 by lauretta Z.Click to read more
Markleeville, CA
Accepts Aetna, Medicare, 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: tomorrow
Psychiatrist (Virtual)
4.93
·14 reviews
It was a good experience. My sister has for years avoided going to the doctor. It was difficult getting her to agree to this visit. The doctor was patient, listened and validated her concerns and fears. She was thorough and asked questions to best understand her needs for both her physical and menta...Click 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: Wed, Oct 14
Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·31 reviews
It felt amazing to finally be listened too. She listened to all my concerns and my history and made a plan for me to follow. She didn’t dismiss me or any of my concerns like other doctors have.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Amanda Sellers is a family nurse practitioner who brings a wealth of GI-specific experience to Oshi Health. At Oshi, she works closely with patients to uncover the root cause of GI issues. Before joining the Oshi Health team, Amanda worked at a private gastroenterology practice and in telemedicine ...Click to read more
Next available: Mon, Oct 5
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·39 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
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: Mon, Oct 5
Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·35 reviews
She listened to my concerns and asked great questions about my medical history. Very professional and knowledgeable, was able to provide me with a simple and effective appointment! - Jul 14, 2026 by Kayla C.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
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: Mon, Oct 5
Family Nurse Practitioner (Virtual)
5.00
·3 reviews
Dr. Jhocson was very thorough in her review and explanations and answered any questions I had. The appointment never felt rushed. by Lori H.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: Mon, Oct 5
Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·34 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Christie Morrison is a nurse practitioner who brings over a decade of gastroenterology-specific experience to Oshi Health. At Oshi, she cares for GI patients virtually and manages a team of GI providers. She also works part-time at the Texas Digestive Disease Center in San Antonio, treating patients...Click to read more
Next available: Wed, Oct 14
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
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
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: Mon, Oct 19
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·33 reviews
Jan was very kind, understanding, and listened to my concerns. It was great to actually felt heard by a doctor instead of just dismissed. - Apr 7, 2026 by Avery B.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
Read bio
Jan Seiler has worked as a gastroenterology nurse practitioner for over two decades. At Oshi Health, she takes a whole-person approach to gastrointestinal (GI) care, making sure to take the time to listen to patient needs and concerns. Before working at Oshi, she worked in a large brick-and-mortar...Click to read more
Next available: Mon, Oct 19
Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·32 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Louise Babikow 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. Louise Babikow is an experienced ce...Click to read more
Next available: Mon, Oct 19
Physician Assistant (Gastroenterology) (Virtual)
4.93
·30 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Bhavana Akotia is a seasoned physician assistant with over two decades of experience in gastroenterology. Since working with Oshi Health as an independent contractor, she’s seen how effective a collaborative team approach can be in treating gastrointestinal (GI) conditions. Previously, Bhavana prac...Click to read more
Next available: Sun, Oct 4
Internist (Virtual)
West Hollywood, CA
Accepts Aetna, Cigna + 1 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in sepsis ·
Read bio
Dr. Garson Lee attended undergraduate studies at the University of California at Berkeley, medical school at University of Hawaii at Manoa, and residency training in internal medicine at the Hawaii Residency Program. He worked in primary care and transitioned to Hospitalist Medicine and was involved...Click to read more
Family Physician (Virtual)
West Hollywood, CA
Accepts Cigna + 1 more
Accepting new patients · 22 years of experience · Offers video visits · Expertise in high cholesterol + 4 more ·
Read bio
Dr. Nikki's interest in medicine started in pediatrics, but she soon realized that the patient-relationship is what she cherished the most; she then chose family medicine to continue that relationship indefinitely! Dr. Nikki has over 15 years of experience ranging from treating chronic disease at ...Click to read more
Family Physician (Virtual)
West Hollywood, CA
Accepts Aetna, Cigna + 1 more
Accepting new patients · Offers video visits ·
Cardiologist (Virtual)
West Hollywood, CA
Accepts Aetna, Cigna + 1 more
Accepting new patients · Offers video visits ·
Read bio
My interest in nutrition and healthy living grew through my training and experience as a cardiologist, where I saw firsthand how nutrition, weight, physical activity, and lifestyle can affect cardiovascular health. My medical training allows me to support patients with weight management, cardiovascu...Click to read more
Bariatric Physician (Virtual)
West Hollywood, CA
Accepts Aetna, Cigna + 1 more
Accepting new patients · Offers video visits ·
Read bio
Dr. Kinjal Gadhiya, MD, is a board-certified Internal Medicine and Obesity Medicine physician dedicated to helping patients achieve meaningful, sustainable improvements in their health and quality of life. With specialized training in obesity medicine and extensive experience caring for patients acr...Click to read more
Family Nurse Practitioner (Virtual)
West Hollywood, CA
Accepting new patients · Offers video visits ·
Read bio
Annie Parikh is a family nurse practitioner focused on weight management and metabolic health. She began her clinical career as an intensive care nurse, spending over five years caring for patients with complex neurologic, cardiac, and surgical conditions at Providence Saint John's Health Center in ...Click to read more
Internist (Virtual)
West Hollywood, CA
Accepts Aetna, Cigna + 1 more
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Dr. Leslee Stevenson is passionate about helping patients improve their health and prevent chronic disease through individualized, evidence-based care. As an internal medicine physician, she has spent many years caring for patients with a wide range of acute and chronic medical conditions. Her exper...Click to read more
Internist (Virtual)
5.00
·11 reviews
Dr. Cohen is amazing. He is incredibly understanding, compassionate, and easy to talk to. He takes the time to listen carefully, answer questions thoroughly, and make you feel comfortable throughout the entire process. His professionalism, knowledge, and genuine care for his patients truly set hi...Click to read more
Beverly Hills, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 1 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: Wed, Oct 7
Internist (Virtual)
4.59
·93 reviews
Dr. Ortiz listened to all my concerns and ordered tests to address each in turn.Click to read more
Norwalk, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
PLEASE CONFIRM YOUR APPOINTMENT WITHIN 24 HOURS OF YOUR BOOKING VIA TEXT OR CALL. (Your appointment might be canceled if not confirmed 24 hours before your appointment time) Please confirm your appointment within 24 hours via text or call. I earned my Doctor of Medicine from Ross University School ...Click to read more
Next available: Thu, Oct 15
Internist (Virtual)
4.90
·41 reviews
Detail oriented, great care, helpful staff and doctor. by BPClick to read more
Upland, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · 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: today
Internist (Virtual)
4.90
·41 reviews
Detail oriented, great care, helpful staff and doctor. by BPClick to read more
Fullerton, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · 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: today
Gastroenterologist (Virtual)
5.00
·1 review
Rancho Cucamonga, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Maham Farshidpour, M.D., is a dual board-certified Gastroenterologist and Transplant Hepatologist practicing at Premier Gastroenterology Institute in Rancho Cucamonga, California. Dr. Farshidpour delivers highly specialized, compassionate care across the full spectrum of complex gastrointestinal and...Click to read more
Next available: Fri, Oct 16
Gastroenterologist (Virtual)
4.98
·122 reviews
Dr Steinhauer was amazing. She was very informative answered all my questions and listened to my concerns. I highly recommend her. - Jan 16, 2025 by John B.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
Next available: Mon, Nov 2
Gastroenterologist (Virtual)
4.98
·122 reviews
Dr Steinhauer was amazing. She was very informative answered all my questions and listened to my concerns. I highly recommend her. - Jan 16, 2025 by John B.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
Next available: Mon, Nov 23
Family Nurse Practitioner (Virtual)
4.85
·254 reviews
It was a very good experience. Something went wrong with my lab results and it was a relatively long time to get them back. - Oct 30, 2024 by Michelle Z.Click to read more
Newport Beach, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Offers video visits · 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: Mon, Oct 5
Gastroenterologist (Virtual)
4.92
·48 reviews
Professional, clean, knowledgeable, positive and respectful - May 11, 2025 by Gisselle A.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Abbass Shafii has been practicing gastroenterology since 1995. During this time, he has taken care of over 100,000 patients and has done more than 50,000 successful endoscopies. Dr. Shafii is passionate about medicine and patient care. He treats each patient as family. He completed his fellowshi...Click to read more
Next available: Tue, Nov 3
Physician Assistant (Gastroenterology) (Virtual)
4.92
·51 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, Oct 6
Physician Assistant (Gastroenterology) (Virtual)
4.92
·51 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: Mon, Oct 5
Gastroenterologist (Virtual)
4.92
·48 reviews
Professional, clean, knowledgeable, positive and respectful - May 11, 2025 by Gisselle A.Click to read more
Temecula, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Abbass Shafii has been practicing gastroenterology since 1995. During this time, he has taken care of over 100,000 patients and has done more than 50,000 successful endoscopies. Dr. Shafii is passionate about medicine and patient care. He treats each patient as family. He completed his fellowshi...Click to read more
Next available: Wed, Nov 4
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, Oct 7
Gastroenterologist
4.75
·172 reviews
Very good listener, and makes you feel comfortable right away. - Sep 21, 2013 by Sandi I.Click to read more
2.5 mi · 2495 Hospital Dr., Suite 600, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients · 24 years of experience · Excellent wait time · Expertise in colonoscopy + 2 more ·
Read bio
Peninsula Gastroenterology Medical Group's offices are located in Redwood City and Mountain View, California. Please ensure you are comfortable with required travel time to the office before scheduling your appointment. Dr. Cynthia Leung was born and raised in the Bay Area. She completed both her ...Click to read more
Gastroenterologist
4.78
·164 reviews
Very nice Dr and put me at ease He explained thoroughly what could be my issue with my health - Mar 30, 2023 by Holly P.Click to read more
2.5 mi · 2495 Hospital Dr., Suite 600, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Peninsula Gastroenterology Medical Group's offices are located in Redwood City and Mountain View, California. Please ensure you are comfortable with required travel time to the office before scheduling your appointment. Dr. Rengstorff was born and raised in the Bay Area. He attended medical school...Click to read more
Gastroenterologist (Virtual)
4.33
·3 reviews
She listened, explained some useful things, and scheduled a follow up. I felt very cared for. - Oct 16, 2025 by Luke B.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits ·
Read bio
Dr. Madhuri Badrinath is a gastroenterologist at Peninsula Gastroenterology Medical Group in Mountain View, CA. She also offers virtual consultations. She is a visiting affiliate at El Camino Hospital and Sequoia Hospital. Dr. Badrinath is fluent in English, Hindi, Tamil, and Kannada, enabling her ...Click to read more
Gastroenterologist (Virtual)
4.75
·172 reviews
Very good listener, and makes you feel comfortable right away. - Sep 21, 2013 by Sandi I.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · 24 years of experience · Offers video visits · Excellent wait time · Expertise in colonoscopy + 2 more ·
Read bio
Peninsula Gastroenterology Medical Group's offices are located in Redwood City and Mountain View, California. Please ensure you are comfortable with required travel time to the office before scheduling your appointment. Dr. Cynthia Leung was born and raised in the Bay Area. She completed both her ...Click to read more
Gastroenterologist
4.33
·3 reviews
She listened, explained some useful things, and scheduled a follow up. I felt very cared for. - Oct 16, 2025 by Luke B.Click to read more
2.5 mi · 2495 Hospital Dr., Suite 600, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Madhuri Badrinath is a gastroenterologist at Peninsula Gastroenterology Medical Group in Mountain View, CA. She also offers virtual consultations. She is a visiting affiliate at El Camino Hospital and Sequoia Hospital. Dr. Badrinath is fluent in English, Hindi, Tamil, and Kannada, enabling her ...Click to read more
Gastroenterologist (Virtual)
4.78
·164 reviews
Very nice Dr and put me at ease He explained thoroughly what could be my issue with my health - Mar 30, 2023 by Holly P.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Peninsula Gastroenterology Medical Group's offices are located in Redwood City and Mountain View, California. Please ensure you are comfortable with required travel time to the office before scheduling your appointment. Dr. Rengstorff was born and raised in the Bay Area. He attended medical school...Click to read more
Gastroenterologist (Virtual)
4.85
·149 reviews
Nice, clean office. The staff is friendly and professional. - Dec 2, 2021 by Fereshteh G.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Dr. Ruel Garcia graduated Magna Cum Laude in Biological Sciences from the University of California, Irvine. He earned his Doctor of Medicine from the University of California, San Diego, Sc...Click to read more
Gastroenterologist (Virtual)
4.86
·138 reviews
Seeing Dr. Gannavarapu was a very positive experience. Waited about 5 minutes, and Dr. Gannavarapu was very friendly, attentive and professional. - May 19, 2026 by Tomer B.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
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
Physician Assistant (Virtual)
5.00
·4 reviews
Great experience. - Aug 7, 2026 by Ole O.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Mr. Ethan Lin is a physician assistant based in Mountain View, CA. He offers both in-person and virtual care at Dr. John Dang's practice. He is also affiliated with El Camino Hospital Mountain View. Mr. Lin holds a master's degree in physician assistant studies from Chapman University. He is also c...Click to read more
Physician Assistant
4.81
·163 reviews
She absolutely listened to what I had to say. Took her time to make sure weed everything. - Feb 26, 2026 by leticia C.Click to read more
2.5 mi · 525 South Dr, Ste 211, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Pamela Ruiz is a dedicated Physician Assistant specializing in preventative care and longevity medicine. Her journey into healthcare began at Cornell University, where she earned a Bachelor's degree in Nutritional Science and developed a passion for preventative medicine. She further advanced her ex...Click to read more
Physician Assistant
4.78
·305 reviews
Clean office, friendly staff, overall a pleasant experience. - Aug 25, 2025 by Alexander O.Click to read more
2.5 mi · 525 South Dr, Ste 211, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Hei Ieong (Anthony) Lou, PA-C is a dedicated and compassionate Physician Assistant committed to delivering high-quality, personalized care to every patient he sees. With a strong background in multiple medical specialties, Anthony takes a comprehensive approach to managing both acute and chronic con...Click to read more
Bariatric Physician
4.85
·190 reviews
Doctor Sitnitsky and her staff is friendly, professional, knowledgeable and attentive. I highly recommend her. - Oct 25, 2023 by Tracy V.Click to read more
2.5 mi · 525 South Dr, Ste 211, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Patricia Sitnitsky, M.D. is a board-certified physician specializing in Internal Medicine and Obesity Medicine. She earned her Doctor of Medicine degree from Stanford University School of Medicine and completed her residency in Internal Medicine at Santa Clara Valley Medical Center. Dr. Sitnitsk...Click to read more
Physician Assistant
4.89
·149 reviews
Amazing doctor. Highly recommend - May 16, 2022 by Anzhelika A.Click to read more
2.5 mi · 525 South Dr, Ste 211, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ganna has been practicing medicine for over 20 years after graduating from Stanford University with a Master's in Physician Assistant Studies. Over the past 10 years, she has specialized in urgent and family care medicine. NOTE: CONTROLLED SUBSTANCES ARE NOT PRESCRIBED BY GANNA BAETGE PA-C FOR NEW ...Click to read more
Gastroenterologist (Virtual)
4.85
·149 reviews
Nice, clean office. The staff is friendly and professional. - Dec 2, 2021 by Fereshteh G.Click to read more
Los Gatos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Dr. Ruel Garcia graduated Magna Cum Laude in Biological Sciences from the University of California, Irvine. He earned his Doctor of Medicine from the University of California, San Diego, Sc...Click to read more
Gastroenterologist (Virtual)
4.83
·293 reviews
Overall amazing experience but they do not answer the phone at all. - Aug 28, 2023 by Victoria T.Click to read more
Los Gatos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in colonoscopy + 3 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** ** LOCATION: NORTHERN CALIFORNIA ( LOS GATOS, MOUNTAIN VIEW) ** I am a Board-Certified Gastroenterologist with expertise in endoscopy. My practice focuses on diagnostic and therapeutic end...Click to read more
Gastroenterologist (Virtual)
4.86
·138 reviews
Seeing Dr. Gannavarapu was a very positive experience. Waited about 5 minutes, and Dr. Gannavarapu was very friendly, attentive and professional. - May 19, 2026 by Tomer B.Click to read more
Los Gatos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
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
Gastroenterologist (Virtual)
4.93
·148 reviews
She was an amaZing doctor - Dec 16, 2021 by Vinodhini NClick to read more
Los Gatos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · Offers video visits · Highly recommended · Excellent wait time · Expertise in acid reflux + 9 more ·
Read bio
University of Michigan Medical School in Ann Arbor, Michigan. Dr. Nguyen went on to complete her internship and residency in internal medicine at Yale University School of Medicine. While at Yale, she participated in the Office of Global Health through volunteering to under-resourced communities. Dr...Click to read more
Physician Assistant
4.81
·163 reviews
She absolutely listened to what I had to say. Took her time to make sure weed everything. - Feb 26, 2026 by leticia C.Click to read more
3 mi · 827 Altos Oaks Dr, Ste 4, Los Altos, CA 94024
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Pamela Ruiz is a dedicated Physician Assistant specializing in preventative care and longevity medicine. Her journey into healthcare began at Cornell University, where she earned a Bachelor's degree in Nutritional Science and developed a passion for preventative medicine. She further advanced her ex...Click to read more
Physician Assistant
4.89
·149 reviews
Amazing doctor. Highly recommend - May 16, 2022 by Anzhelika A.Click to read more
3 mi · 827 Altos Oaks Dr, Ste 4, Los Altos, CA 94024
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ganna has been practicing medicine for over 20 years after graduating from Stanford University with a Master's in Physician Assistant Studies. Over the past 10 years, she has specialized in urgent and family care medicine. NOTE: CONTROLLED SUBSTANCES ARE NOT PRESCRIBED BY GANNA BAETGE PA-C FOR NEW ...Click to read more
Bariatric Physician
4.85
·190 reviews
Doctor Sitnitsky and her staff is friendly, professional, knowledgeable and attentive. I highly recommend her. - Oct 25, 2023 by Tracy V.Click to read more
3 mi · 827 Altos Oaks Dr, Ste 4, Los Altos, CA 94024
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Patricia Sitnitsky, M.D. is a board-certified physician specializing in Internal Medicine and Obesity Medicine. She earned her Doctor of Medicine degree from Stanford University School of Medicine and completed her residency in Internal Medicine at Santa Clara Valley Medical Center. Dr. Sitnitsk...Click to read more
Internist
4.33
·125 reviews
Good - Feb 28, 2026 by Akshata B.Click to read more
3 mi · 827 Altos Oaks Dr, Ste 4, Los Altos, CA 94024
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients ·
Read bio
Dr. Fariha Ashraf, M.D. specializes in Primary Care and Internal Medicine. She graduated from Sindh Medical University and completed her residency in Internal Medicine at UCF/HCA Florida Healthcare - Gainesville. She has extensive experience managing chronic and acute illnesses in both primary care ...Click to read more
Physician Assistant
4.78
·305 reviews
Clean office, friendly staff, overall a pleasant experience. - Aug 25, 2025 by Alexander O.Click to read more
3 mi · 827 Altos Oaks Dr, Ste 4, Los Altos, CA 94024
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Hei Ieong (Anthony) Lou, PA-C is a dedicated and compassionate Physician Assistant committed to delivering high-quality, personalized care to every patient he sees. With a strong background in multiple medical specialties, Anthony takes a comprehensive approach to managing both acute and chronic con...Click to read more
Gastroenterologist
4.33
·3 reviews
She listened, explained some useful things, and scheduled a follow up. I felt very cared for. - Oct 16, 2025 by Luke B.Click to read more
14.5 mi · 2900 Whipple Ave, Ste #245, Redwood City, CA 94062
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Madhuri Badrinath is a gastroenterologist at Peninsula Gastroenterology Medical Group in Mountain View, CA. She also offers virtual consultations. She is a visiting affiliate at El Camino Hospital and Sequoia Hospital. Dr. Badrinath is fluent in English, Hindi, Tamil, and Kannada, enabling her ...Click to read more
Gastroenterologist
4.78
·164 reviews
Very nice Dr and put me at ease He explained thoroughly what could be my issue with my health - Mar 30, 2023 by Holly P.Click to read more
14.5 mi · 2900 Whipple Ave, Ste #245, Redwood City, CA 94062
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Peninsula Gastroenterology Medical Group's offices are located in Redwood City and Mountain View, California. Please ensure you are comfortable with required travel time to the office before scheduling your appointment. Dr. Rengstorff was born and raised in the Bay Area. He attended medical school...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 checked out Zocdoc’s website and was pleasantly surprised. I read a lot of positive reviews from most of their providers...My only regret is that I didn’t make an appointment sooner.
Felicia P
I had resisted counseling for a long time...I could not find anyone who had room for me...Enter Zocdoc...I am so grateful.
Victoria L
10/10!!!! I woke up on Sunday with severe wisdom tooth pain. I was able to make an early appointment Monday morning...So so happy with my experience!
Lauren K
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

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

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


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

Zocdoc lets you search specifically for a Sunnyvale 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 Sunnyvale?

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

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


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

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


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

You can use Zocdoc to find Gastroenterologists in Sunnyvale 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 Sunnyvale?

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

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


Zocdoc›Gastroenterologists›San Francisco, CA›Sunnyvale, CA