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294 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.
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Availability last updated 08/21/2026
Availability last updated 08/21/2026
Physician Assistant (Gastroenterology) (Virtual)
4.93
·29 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: Tue, Aug 25
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·34 reviews
Dr. Anderson was very polite, knowledgeable and such a big help. I appreciated her for explaining things and answering all of my questions. I’ve searched for help with my condition and I have a feeling she will help me. - Mar 25, 2026 by Kiara D.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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: Tue, Aug 25
Family Nurse Practitioner (Virtual)
Markleeville, CA
Accepts Cigna
Accepting new patients · Offers video visits ·
Next available: Tue, Aug 25
Nurse Practitioner (Gastroenterology) (Virtual)
4.98
·42 reviews
The best experience I’ve ever had with a doctor and very knowledgeable on the issues (symptoms, causes, treatments, etc) as well. Definitely recommend for any GI issues - Feb 2, 2026 by Jeff N.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
Ji Soo (Claire) 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. Ji Soo (Claire) Choi is an experie...Click to read more
Next available: Tue, Aug 25
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: Tue, Aug 25
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·34 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: Wed, Aug 26
Internist (Virtual)
2.71
·7 reviews
I got zero help luckily I am supposed to be getting refunded for the appointment but I really really needed medical help and got none. I would rather have had the help I needed why did the app even ask me what pharmacy I needed or list a bunch of illnesses that need meds if they can't provide them. ...Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 16 years of experience · Offers video visits · Excellent wait timeExpertise in chronic high blood pressure + 3 more
Next available: Wed, Aug 26
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 ·
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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: Thu, Aug 27
Family Nurse Practitioner (Virtual)
5.00
·4 reviews
Good communication after the visit, quick responses. Easy visit, got what I needed and questions were answered appropriately. - Jul 18, 2026Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time
Next available: Thu, Aug 27
Family Nurse Practitioner (Virtual)
4.89
·91 reviews
Great provider and listened well. She was very accurate and asked appropriate questions . - Nov 17, 2025 by Athena M.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: Mon, Sep 14
Nurse Practitioner (Gastroenterology) (Virtual)
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits ·
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Alexandra Hudak is a board-certified nurse practitioner who cares deeply about helping patients navigate digestive health concerns. At Oshi, she treats each patient as a whole person—not just a diagnosis. Her goal is to build strong, trusting partnerships with patients, where education and preventio...Click to read more
Next available: Mon, Aug 31
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: Fri, Sep 4
Family Nurse Practitioner (Virtual)
4.89
·91 reviews
Great provider and listened well. She was very accurate and asked appropriate questions . - Nov 17, 2025 by Athena M.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: Mon, Sep 14
Primary Care Doctor (Virtual)
4.10
·136 reviews
I had a good experience with the Doctor how ever the wait time was a little long. - Mar 27, 2024 by Charlie D.Click to read more
Los Angeles, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 80 more
Accepting new patients · Offers video visits ·
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Collins Ezeuka, M.D. is an American physician-scientist known for his interdisciplinary research spanning cancer immunotherapy, cardiovascular biology, and biomedical engineering. He has conducted research at leading institutions including UCLA, City of Hope, Emory University, and Georgia Institute ...Click to read more
Next available: Mon, Aug 31
Internist (Virtual)
5.00
·9 reviews
Dr. Cohen has been one of the best physicians I’ve ever worked with. From my first appointment, he took the time to understand my goals, answer every question thoroughly, and make sure I felt comfortable with the plan we put together. I never felt rushed, and it was clear he genuinely cares about 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, Aug 26
Internist (Virtual)
5.00
·10 reviews
It was a great visit with Dr. Alexander Tran. He was kind, professional and took the time to answer my question!:) by SRClick to read more
Fullerton, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Dr. Alexander Tran is an internist at Pyo Clinic in Upland, CA. He also offers virtual consultations. He welcomes adult patients with common illnesses, chronic diseases, and minor injuries that affect their quality of life. Dr. Tran understands patients' conditions and prepares individualized treat...Click to read more
Next available: Tue, Sep 1
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 ·
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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, Aug 24
Gastroenterologist (Virtual)
4.78
·164 reviews
Fantastic. Friendly and knowledgeable. Very glad I went to him. - Jan 17, 2016 by Gregory J.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
4.75
·172 reviews
Everyone I dealt with was professional, thorough, efficient *and* friendly - May 24, 2018 by Paul T.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 (Virtual)
4.75
·172 reviews
Everyone I dealt with was professional, thorough, efficient *and* friendly - May 24, 2018 by Paul T.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 (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)
4.85
·148 reviews
Very patient and informative. Carefully listened to my story and explained options. - Jan 20, 2021 by Dmitriy Y.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
4.86
·138 reviews
Overall the experience was great. Doctor listened to the problem with patience and provided possible options. I'm happy with consultation. - Oct 22, 2024Click to read more
2.5 mi · 2490 Hospital Dr, Ste 300, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** 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 t...Click to read more
Gastroenterologist (Virtual)
4.86
·138 reviews
Overall the experience was great. Doctor listened to the problem with patience and provided possible options. I'm happy with consultation. - Oct 22, 2024Click 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
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** 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 t...Click to read more
Physician Assistant (Virtual)
5.00
·2 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
·162 reviews
Pamela is a great listener, she is very knowledgeable about various health concerns - Mar 29, 2025Click 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
4.89
·149 reviews
Great experience! Warm, efficient and professional - Dec 5, 2023 by Yves M.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
Bariatric Physician
4.85
·189 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
Gastroenterologist (Virtual)
4.86
·138 reviews
Overall the experience was great. Doctor listened to the problem with patience and provided possible options. I'm happy with consultation. - Oct 22, 2024Click 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
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** 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 t...Click to read more
Gastroenterologist (Virtual)
4.85
·148 reviews
Very patient and informative. Carefully listened to my story and explained options. - Jan 20, 2021 by Dmitriy Y.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)
4.93
·147 reviews
Dr. Ngyuen was one of the best doctors I've visited. She listened thoroughly, asked lot of questions, empathized and had a clear plan to move forward. - May 11, 2022 by Heather P.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 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
Gastroenterologist
4.86
·138 reviews
Overall the experience was great. Doctor listened to the problem with patience and provided possible options. I'm happy with consultation. - Oct 22, 2024Click to read more
9.5 mi · 15251 National Ave, Ste 203, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in acid reflux + 5 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** 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 t...Click to read more
Gastroenterologist
4.93
·147 reviews
Dr. Ngyuen was one of the best doctors I've visited. She listened thoroughly, asked lot of questions, empathized and had a clear plan to move forward. - May 11, 2022 by Heather P.Click to read more
9.5 mi · 15251 National Ave, Ste 203, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · 25+ years of experience · 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
4.89
·149 reviews
Great experience! Warm, efficient and professional - Dec 5, 2023 by Yves M.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
·189 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
Physician Assistant
4.78
·298 reviews
I like this doctor very much, young man with best manners - May 14, 2025 by Jie Z.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
Physician Assistant
4.81
·162 reviews
Pamela is a great listener, she is very knowledgeable about various health concerns - Mar 29, 2025Click 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
Gastroenterologist
4.78
·164 reviews
Fantastic. Friendly and knowledgeable. Very glad I went to him. - Jan 17, 2016 by Gregory J.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
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 (Virtual)
4.78
·164 reviews
Fantastic. Friendly and knowledgeable. Very glad I went to him. - Jan 17, 2016 by Gregory J.Click to read more
Redwood City, 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)
4.75
·172 reviews
Everyone I dealt with was professional, thorough, efficient *and* friendly - May 24, 2018 by Paul T.Click to read more
Redwood City, 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 (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
Redwood City, 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)
5.00
·1 review
I have been a longtime patient of Dr. Levinson, and I can't speak highly enough of both his clinical expertise and friendly personable nature. As a nurse, I can appreciate the complex medical situations he has helped me navigate, that has earned my trust and loyalty as a patient. Even though I don't...Click to read more
San Carlos, 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 acute stomach inflammation/infection + 10 more ·
Read bio
Dr. Scott Levenson was raised on the Peninsula. After graduating from Menlo-Atherton High School, he attended college at the University of California, San Diego. Dr. Levenson completed medical school at the University of Michigan and his internal medicine residency at University of Washington. In 1...Click to read more
Gastroenterologist
5.00
·2 reviews
I received excellent care from Dr.Kao and he is very personable. Highly recommend. by NCClick to read more
15 mi · 1000 Laurel St, San Carlos, CA 94070
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in colonoscopy + 5 more ·
Read bio
Dr. Roger Kao was born and raised in Portland, Oregon. After his undergraduate work at the University of Washington, he moved to the mid-west and obtained his medical degree from Chicago Medical School. He then went on to complete his internal medicine residency and Gastroenterology and Hepatology ...Click to read more
Gastroenterologist (Virtual)
5.00
·2 reviews
I received excellent care from Dr.Kao and he is very personable. Highly recommend. by NCClick to read more
San Carlos, 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 + 5 more ·
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Dr. Roger Kao was born and raised in Portland, Oregon. After his undergraduate work at the University of Washington, he moved to the mid-west and obtained his medical degree from Chicago Medical School. He then went on to complete his internal medicine residency and Gastroenterology and Hepatology ...Click to read more
Gastroenterologist
5.00
·1 review
I have been a longtime patient of Dr. Levinson, and I can't speak highly enough of both his clinical expertise and friendly personable nature. As a nurse, I can appreciate the complex medical situations he has helped me navigate, that has earned my trust and loyalty as a patient. Even though I don't...Click to read more
15 mi · 1000 Laurel St, San Carlos, CA 94070
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in acute stomach inflammation/infection + 10 more ·
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Dr. Scott Levenson was raised on the Peninsula. After graduating from Menlo-Atherton High School, he attended college at the University of California, San Diego. Dr. Levenson completed medical school at the University of Michigan and his internal medicine residency at University of Washington. In 1...Click to read more
Physician Assistant
4.78
·298 reviews
I like this doctor very much, young man with best manners - May 14, 2025 by Jie Z.Click to read more
9.5 mi · 15100 Los Gatos Blvd, Ste 4, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
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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
Internist
4.35
·123 reviews
Good - Feb 28, 2026 by Akshata B.Click to read more
9.5 mi · 15100 Los Gatos Blvd, Ste 4, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients ·
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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
4.96
·390 reviews
Efficient office and Claire was compassionate and professional and knowledgeable - Feb 22, 2025 by Jay V.Click to read more
9.5 mi · 15100 Los Gatos Blvd, Ste 4, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
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Claire Hooker is a compassionate Physician Assistant committed to providing exceptional care to every patient. After graduating from the University of California, Davis, Claire completed her graduate medical studies at Franklin Pierce University at Goodyear, earning a Master's in Physician Assistant...Click to read more
Physician Assistant
4.81
·162 reviews
Pamela is a great listener, she is very knowledgeable about various health concerns - Mar 29, 2025Click to read more
9.5 mi · 15100 Los Gatos Blvd, Ste 4, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
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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
Great experience! Warm, efficient and professional - Dec 5, 2023 by Yves M.Click to read more
9.5 mi · 15100 Los Gatos Blvd, Ste 4, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Highly recommended · Excellent wait time ·
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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
·189 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
9.5 mi · 15100 Los Gatos Blvd, Ste 4, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time ·
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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
Nurse Practitioner (Gastroenterology) (Virtual)
4.82
·34 reviews
Anne was a great communicator. She was patient in listening and explaining everything in detail. I highly recommend. - Mar 31, 2026 by Hari Prashanth R.Click to read more
Los Gatos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Offers video visits · Highly recommended ·
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**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Ms. Hsuan-ling Liao is a dedicated nurse practitioner practicing at Genesis HealthCare Partners. She is fluent in Mandarin, and her language skills are an asset to our medical practice. Patients see Ms. Liao for a ...Click to read more
Physician Assistant (Virtual)
San Leandro, CA
Accepts BlueCross BlueShield, Cigna, Medicare + 2 more
Accepting new patients · Offers video visits ·
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Ms. Emily Choi is a physician assistant at CityHealth Urgent Care in San Leandro, CA. She is recognized for her compassionate patient care. Ms. Choi excels in patient assessment, diagnosis, treatment, and education. Patients trust her expertise and consistently benefit from positive, lasting health...Click to read more
Family Nurse Practitioner (Virtual)
Berkeley, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 38 more
Accepting new patients · Offers video visits ·
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I am a board-certified Family Nurse Practitioner with more than 19 years of clinical experience, including over a decade of providing care through telehealth. My clinical background includes primary care, sexual and reproductive health, preventive care, family planning, and the management of a wide ...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
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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.


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