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295 verified Gastroenterologists in San Francisco, 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 07/13/2026
Availability last updated 07/13/2026
Adult Nurse Practitioner
1 mi · 490 Post Street, Ste 900, San Francisco, CA 94102
Accepting new patients ·
Read bio
Downtown Medical Group requires that all patients upload their insurance information within 24 hours of booking. We need to verify patients' insurance prior to their appointment. Downtown Medical Group may also reach out to patients for a credit card to be placed on file, as we charge $75.00 for any...Click to read more
Next available: Thu, Jul 16
Nurse Practitioner
5.00
·4 reviews
Jeremy was very easy to talk to and very knowledgeable. He had good suggestios and helped me figure out what would work best for me. - Jul 11, 2026 by Siriaco B.Click to read more
5.5 mi · 1012 Ocean View Ave, Daly City, CA 94014
Accepts Aetna, BlueCross BlueShield + 3 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Jeremy Montemayor is a board-certified Nurse Practitioner with over 20 years of clinical experience at UCSF and Stanford — now serving California patients evenings and weekends through Weekend NP. About Jeremy Montemayor, NP — Weekend NP, California With more than 20 years of clinical experience sp...Click to read more
Next available: tomorrow
Family Nurse Practitioner
4.91
·322 reviews
She is wonderful so far! She spent time to listen to my concerns and figure out the best course of action. Highly recommend! - Dec 2, 2024Click to read more
1 mi · 490 Post Street, Ste 900, San Francisco, CA 94102
Accepts Aetna, BlueCross BlueShield, Cigna + 18 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Downtown Medical Group requires all patients to upload their insurance information within 24 hours of booking. We need to verify patients’ insurance prior to their appointment. Downtown Medical Group may reach out to patients for a credit card to be placed on file, as we charge $75.00 for any appoin...Click to read more
Next available: Thu, Jul 23
Gastroenterologist
5.00
·30 reviews
13 mi · 2089 Vale Rd., Ste 33, San Pablo, CA 94806
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in chronic inflammatory bowel disease (ibd) + 6 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Dr. Mark Kogan received his undergraduate and MD degrees from Northwestern University. As a member of the prestigious Honors Program in Medical Education, he earned both degrees in a total ...Click to read more
Next available: tomorrow
Family Physician
5.00
·1 review
10.5 mi · 3000 Colby St, Ste 301, Berkeley, CA 94705
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Anwar Hussain is a family physician who delivers compassionate, comprehensive primary care. He practices at Altais Medical Group in Berkeley, CA. He also offers virtual consultations. Dr. Hussain manages acute and chronic conditions, emphasizes preventive health, and addresses complex multi-mor...Click to read more
Next available: today
Physician Assistant
4.71
·21 reviews
Everyone was friendly and I felt comfortable. Very happy to have found care. by Edward M.Click to read more
9 mi · 400 29th St, Ste 400, Oakland, CA 94609
Accepts Aetna, BlueCross BlueShield, Cigna + 16 more
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Ms. Tatyana Kovalevskij is a highly skilled physician assistant. She is a primary care provider at Altais in Oakland, CA, and also offers virtual care. Her approach is evidence based medicine with shared patient decision making. Ms. Kovalevskij emphasizes efficiency and clarity during visits, helpin...Click to read more
Next available: tomorrow
Physician Assistant (Gastroenterology)
5.00
·30 reviews
13 mi · 2089 Vale Rd., Ste 33, San Pablo, CA 94806
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Ms. Tenzin Daden is a skilled physician assistant specializing in dermatology. She sees patients at UNIO Specialty Care in San Pablo, CA. Ms. Daden is dedicated to helping patients effecti...Click to read more
Next available: tomorrow
Gastroenterologist
4.86
·133 reviews
The waiting room is pleasantly appointed with comfortable chairs and a nice view of the courtyard. No loud elevator music spoiling the calm. There's even an air scrubber. The staff is professional and friendly. Wish I would have found this office years ago. - May 21, 2025 by Rebecca S.Click to read more
33.5 mi · 2490 Hospital Dr, Ste 300, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
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
Next available: Tue, Jul 21
Gastroenterologist
4.85
·147 reviews
Very patient and informative. Carefully listened to my story and explained options. - Jan 20, 2021 by Dmitriy Y.Click to read more
33.5 mi · 2490 Hospital Dr, Ste 300, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · 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
Next available: Wed, Jul 22
Internist
5.00
·7 reviews
I felt comfortable with him, he is thorough and knowledgeable. by AGClick to read more
28.5 mi · 734 Mowry Ave, Fremont, CA 94536
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in chronic high blood pressure + 4 more ·
Read bio
Dr. Rabin Khetrapal is board certified in internal medicine. As a primary care physician, he has been serving the Fremont community since 1999. Dr. Khetrapal prides himself in giving every patient the best care.Click to read more
Next available: Mon, Jul 27
Physician Assistant
33.5 mi · 2495 Hospital Dr, Ste 650, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients ·
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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
Next available: Wed, Jul 15
Physician Assistant
4.77
·286 reviews
All good. The doctor is patient and professional. The nurses and assistants are nice and careful. - Oct 13, 2025 by Bojian H.Click to read more
33.5 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
Next available: Thu, Jul 16
Physician Assistant
4.96
·377 reviews
Claire was informative and knowledgeable. Makes you feel comfortable. Answers all your questions and concerns - Apr 16, 2025 by Joel M.Click to read more
33.5 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
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
Next available: Tue, Jul 21
Family Nurse Practitioner
40 mi · 6600 Lone Tree Way, Brentwood, CA 94513
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients ·
Read bio
About Tahtyana is a Bay Area native and board-certified Family Nurse Practitioner dedicated to providing compassionate, patient-centered care to the community she calls home. She earned her degree in Cellular and Molecular Biology from California State University, East Bay and completed her nursing ...Click to read more
Next available: today
Internist
4.83
·221 reviews
The stuff member and doctor are both nice and professional, also the place is nice and clean too. Recommended.Click to read more
33.5 mi · 2495 Hospital Dr, Ste 650, Mountain View, CA 94040
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 6 more ·
Read bio
Dr. John (Yu-Xuan) Dang is a native of the Bay Area, having lived in the South Bay for the last 30 years. He has been practicing medicine in the Sunnyvale/Mountain View area since 2018. Dr. Dang earned his Bachelor's degree from the University of California, Berkeley, and received his Doctor of Medi...Click to read more
Next available: Mon, Aug 10
Family Physician
4.69
·2278 reviews
1)knowledgeable 2) personable 3) responsive and available 4) professional Easily recommend. - May 23, 2020 by Martin H.Click to read more
35.5 mi · 1299 Oakmead Pkwy, Sunnyvale, CA 94085
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Also offers video visits · Accepting new patients · 19 years of experience ·
Read bio
Dr. Parikh is a Primary Care and Sports Medicine physician at ParikhHealth who truly has a passion for medicine. He enjoys spending time with his patients, getting to know their entire family, and serving the community. He is currently the Chief Medical Officer and Head Team Physician for USA Crick...Click to read more
Next available: Mon, Jul 20
Family Physician
4.50
·100 reviews
I would recommend this provider and office. Precise and clear plan, great communication. - Mar 6, 2023 by Bridget M.Click to read more
40 mi · 6600 Lone Tree Way, Brentwood, CA 94513
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Also offers video visits · Accepting new patients · Expertise in chronic high blood pressure ·
Read bio
Dr. Shreya Khatri is a board-certified Family Medicine physician. She is a graduate of Ross University School of Medicine and completed her residency training at Doctors Medical Center, a UC Davis affiliate in Modesto, California. Dr. Khatri practices full-scope primary care practice which includes...Click to read more
Next available: today
Family Nurse Practitioner
4.75
·12 reviews
40 mi · 6600 Lone Tree Way, Brentwood, CA 94513
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients ·
Read bio
Monica is a board-certified Family Nurse Practitioner. She obtained her Master of Science degree from UC Davis Betty Irene Moore School of Nursing and her Bachelor of Science degree in Nursing from Duke University School of Nursing. She also has a Bachelor of Science in Clinical Nutrition from UC Da...Click to read more
Next available: today
Gastroenterologist
4.83
·289 reviews
Excellent doctor and really spends the time to get to the root cause of the problem - Apr 15, 2025 by Gaurav A.Click to read more
44.5 mi · 15251 National Ave, Ste 203, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · 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
Next available: Wed, Jul 22
Gastroenterologist
4.93
·143 reviews
Very much like Dr. Michelle Nguyen, she could always comfort me, give me professional guidance and make me feel believable. - Feb 10, 2022Click to read more
44.5 mi · 15251 National Ave, Ste 203, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
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
Next available: Wed, Aug 5
Physician Assistant
4.81
·99 reviews
Would recommend this place ! Sarah was really nice and helpful. - Dec 12, 2025 by Rhett P.Click to read more
44.5 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 ·
Read bio
Sarah Downum is a warm, thoughtful, and detail-oriented Physician Assistant who believes that exceptional care begins with truly listening. She is committed to making every visit collaborative and supportive, ensuring patients feel heard, respected, and confident in their care plan. Sarah earned he...Click to read more
Next available: today
Physician Assistant
4.95
·156 reviews
She’s a very attentive and good listener and provides my needs. - Apr 21, 2026 by Gabrielle Aura Dominique D.Click to read more
44.5 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 ·
Read bio
Whitney Stannard is a dedicated and compassionate Physician Assistant who believes every patient deserves care that is both clinically excellent and deeply personal. She strives to make each visit a partnership, where patients feel listened to, understood, and empowered in their health journey. Whi...Click to read more
Next available: tomorrow
Internist
4.81
·144 reviews
Dr. Taunk is amazing at explaining complex issues in simple terms. I always feel heard and valued. by BYClick to read more
44.5 mi · 15100 Los Gatos Blvd, Ste 4, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 47 more
Accepting new patients · Excellent wait time · Expertise in pneumonia and respiratory infections + 1 more ·
Read bio
Dr. Pardeep Taunk is a board-certified Internal Medicine physician dedicated to providing compassionate, patient-centered care. With years of experience caring for patients in hospital settings across the country, Dr. Taunk is known for his attentive listening, clear communication, and commitment to...Click to read more
Next available: Wed, Jul 15
Internist
4.84
·112 reviews
Both using Zocdoc and booking with Dr. Vincent have been a good experience. - Mar 24, 2026 by Hecong Z.Click to read more
44.5 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 · Expertise in chronic diabetes + 3 more ·
Read bio
Dr. Jyotsna Singh Vincent is a board-certified Internal Medicine physician dedicated to delivering thoughtful, comprehensive, and compassionate care. With more than a decade of experience in both academic and community health settings, she is known for her ability to manage complex medical condition...Click to read more
Next available: Tue, Jul 21
Nurse Practitioner (Gastroenterology)
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
44.5 mi · 15251 National Ave, Ste 203, Los Gatos, CA 95032
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · Highly recommended ·
Read bio
**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
Next available: Thu, Jul 23
Internist (Virtual)
3.00
·2 reviews
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: today
Family Nurse Practitioner (Virtual)
Markleeville, CA
Accepts Aetna, Cigna
Accepting new patients · Offers video visits ·
Next available: today
Family Nurse Practitioner (Virtual)
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna
Accepting new patients · Offers video visits ·
Next available: today
Internist (Virtual)
4.63
·679 reviews
Amazing bedside manner, very thorough and efficient. Provided great suggestions to find the root cause of the issue. - Feb 20, 2023Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 16 years of experience · Offers video visits · Excellent wait time ·
Read bio
Dr. Shukla is an internist working in Newport Beach. She treats acute & chronic medical conditions, mental health conditions, and preventative medicine. She enjoys providing wholistic care so patient's can achieve optimal health.Click to read more
Next available: today
Physician Assistant (Virtual)
4.79
·184 reviews
Rachel is great. I felt confident and comfortable with her seeing me. - Feb 19, 2026 by Richard R.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Rachel Roth PA-C is a compassionate, board-certified physician assistant who provides care for both adult and pediatric patients. She specializes in primary care, urgent care, GYN and women's health, dermatology, and general medicine. Rachel earned her Master's in Physician Assistant Studies from Te...Click to read more
Next available: Thu, Jul 16
Family Physician (Virtual)
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more
Internist (Virtual)
4.50
·60 reviews
Very kind and informative. Love seeing a hip, young, female doctor for primary care. - Aug 27, 2024Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits ·
Read bio
Dr. Dina Albaree is an esteemed Internist specializing in General Internal Medicine and Primary Care, providing in-person services at Horizon Dermatology & Primary Care Medical Clinic in Beverly Hills, California. She also offers virtual appointments throughout California, ensuring accessibility for...Click to read more
Physician Assistant (Virtual)
4.80
·147 reviews
She is professional, she listens. You wont be disappointed! Great physician/ doctor! - May 12, 2024 by Hsinchun L.Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ms. Ashlee Shapiro is a skilled physician assistant offering in-person services at Horizon Medical Clinic in Newport Beach, CA, and also provides virtual consultations. She earned her Master’s in Physician Assistant Studies from Quinnipiac University, equipping her with comprehensive training to del...Click to read more
Primary Care Doctor (Virtual)
3.65
·17 reviews
I really liked that they were equipped to handle certain specialty needs in house so I didn’t need to wait for a referral somewhere else to clear - Oct 16, 2025 by Alexander B.Click to read more
Fresno, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Dr. Ghassan Bachir is a highly skilled thoracic surgeon in Fresno, CA. He offers in-person and virtual consultations at California Surgical and Medical Clinics Inc. As part of his educational training, Dr. Bachir acquired his medical degree from the Peoples' Friendship University of Russia and comp...Click to read more
Psychiatrist (Virtual)
4.92
·13 reviews
Great bedside manner and provided really good action steps. - Jun 5, 2026 by Claudia W.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, Jul 29
Internist (Virtual)
Markleeville, CA
Accepts Aetna, Medicare
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Over 20 years of experience caring for adults in the Orange County community. Affiliated with Mission Hospital, Fountain Valley Regional, and MemorialCare Orange Coast Medical Center.Click to read more
Next available: tomorrow
Internist (Virtual)
Markleeville, CA
Accepts Aetna, Medicare
Accepting new patients · Offers video visits · Expertise in chronic high blood pressure + 2 more ·
Read bio
Dr. Bardia Sadr is a board-certified internal medicine physician with more than 15 years of experience caring for adults in the Irvine community.Click to read more
Next available: tomorrow
Family Physician (Virtual)
4.71
·24 reviews
Dr. Byron is wonderful! Very attentive, great listener, clear and respectful communication. I had to come in short notice, and he was incredible accommodating. If I wasn’t moving states, he would be my top choice PCP hands down. Trustworthy and kind, thank you Dr. Byron for your help! - Apr 30, 2026...Click to read more
Markleeville, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in pneumonia and respiratory infections + 3 more ·
Read bio
Hi there! I’m Dr. David Byron. Here are my main areas of practice: Concierge Medicine TRT and beyond for Men Hormone Optimization for Women - Pre- menopausal Hormone replacement for Women- Menopausal PCOS Medical Weight Loss Peptide Guidance and Management ADHD Monthly Medication Optimization an...Click to read more
Next available: tomorrow
Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·33 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, Jul 15
Adult Psychiatric & Mental Health Nurse Practitioner (Virtual)
Markleeville, CA
Accepts Cigna, UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Shannon Pereira DNP, MSN, APRN, PMHNP-BC, FNP-BC Dual Board-Certified Nurse Practitioner | Hormone Optimization & Weight Management Specialist Shannon is a dual board-certified nurse practitioner licensed in California and Florida, with over 12 years of clinical experience spanning psychiatric ment...Click to read more
Next available: Wed, Jul 15
Calendar Check
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Average time it takes to be seen by a provider

Doctor
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Verified providers with a 4.8 average rating

Primary Care Physician
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In the business of finding quality care for patients

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Frequently asked questions

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

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


How can I find a San Francisco Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a San Francisco 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 San Francisco?

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

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


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

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


How can I find a top-rated Gastroenterologist in San Francisco?

You can use Zocdoc to find Gastroenterologists in San Francisco 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 San Francisco?

Gastroenterologists in San Francisco 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 San Francisco 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 San Francisco 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 San Francisco who sees patients during the weekend?

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


Who are gastroenterologists?

The specialty of medicine, which focuses on the normal functioning and diseases of the gastrointestinal (GI) tract, is known as gastroenterology. The GI tract consists of the esophagus (food pipe), stomach (gut), small intestine, large intestine (colon), liver, gallbladder, pancreas, and rectum.


Gastroenterologists are doctors who train in internal medicine and later specialize in diagnosing and treating all disorders of the GI tract. They also train in performing all kinds of endoscopic procedures. Gastroenterologists are not surgeons and treat patients using medications.


Some conditions routinely treated by gastroenterologists include Irritable Bowel Syndrome (IBS), Hepatitis, cirrhosis, Inflammatory Bowel Disease (IBD), colon polyps, colon cancer, liver cancer, peptic ulcers, pancreatitis, and gallbladder disease.


What is the difference between a gastroenterologist and a hepatologist?

Gastroenterology centers on the digestive system and its disorders, covering organs like the stomach, intestines, pancreas, liver, and gallbladder. Gastroenterologists treat a wide range of digestive issues and certain types of cancer.


You may want to consult a gastroenterologist near you if you experience symptoms such as:


  • Unexplained changes in your bowel habits, like diarrhea, constipation, or blood in your stool
  • Unusual bloating
  • Frequent or severe heartburn
  • Sudden, intense abdominal pain
  • If you're due for a colonoscopy


On the other hand, hepatology, a subspecialty of gastroenterology, focuses more specifically on the liver, gallbladder, bile ducts, and pancreas. You might be referred to a hepatologist for issues such as:


  • Liver damage caused by medication
  • Gastrointestinal bleeding due to portal hypertension
  • Jaundice (yellowing of the skin)
  • Ascites (fluid buildup in the abdomen)
  • Enzyme deficiencies
  • Blood tests suggesting liver disease


Hepatologists are trained to diagnose and treat conditions such as:


  • Hepatitis infections
  • Fatty liver disease (whether alcohol-related or not)
  • Jaundice
  • Cirrhosis (scarring of the liver)
  • Metabolic liver diseases
  • Liver cancer


While both specialties overlap in certain areas, gastroenterologists focus more broadly on the digestive system, whereas hepatologists concentrate specifically on liver-related issues.


What is Irritable Bowel Syndrome (IBS)?

IBS is a disease associated with an unhealthy lifestyle and, hence, can be a lifelong condition. It generally affects the functioning of the large intestine, causing changes in bowel movements.


Nervous stomach/nervous colon, irritable colon, spastic colon/spastic colitis, irritable bowel, and mucous colitis are all terms used for IBS. 


IBS is a chronic condition that doesn't have any specific medicine or intervention to cure it. Medications in this condition are often prescribed only for better symptom control. However, most people with IBS don't have severe signs and symptoms. It can easily be controlled by changes in diet and lifestyle. Another important underlying factor affecting IBS is stress levels. Correct stress management can significantly improve symptoms of IBS. 


Having IBS does not cause any changes to the internal lining or tissue of the large intestine. Therefore, there is no risk of developing colorectal cancer. However, other complications of IBS include hemorrhoids, social anxiety, and mood disorders.


When should I see a doctor?

IBS usually presents with symptoms such as intolerance to certain food groups, abdominal cramps, bloating, fatigue, and sometimes anxiety and depression. Variations in the frequency and appearance of bowel movements are common in all IBS patients. Diarrhea and constipation can appear alternately. One may also notice mucus in stools. In women, the symptoms of IBS usually flare up during their menstrual cycles. 


With simple diet and lifestyle changes, most symptoms of IBS can be controlled adequately. However, if you develop any of these signs and symptoms, you should immediately see your doctor as it could indicate a more severe problem:


  • Bleeding from the rectum
  • Persistent abdominal pain
  • Persistent fever
  • Anemia
  • Excessive vomiting
  • Unexplained weight loss
  • Loss of appetite
  • Difficulty swallowing
  • Severe nocturnal diarrhea  


Common risk factors for IBS

There are certain risk factors for IBS. People under the age of 50, especially women, are at a higher risk of developing this disease. People undergoing estrogen therapy are also considered more at risk. IBS can also be hereditary and passed down from generation to generation; thus, having a family history of IBS is another risk factor. Mental health concerns, including anxiety and depression or a history of emotional or sexual abuse, can also lead to IBS.


How do gastroenterologists diagnose IBS? 

IBS is usually a diagnosis of exclusion, i.e., after eliminating the possibility of the patient having other diseases with similar symptoms. After recording your medical history, the gastroenterologist will inquire about your symptoms in detail and perform a physical examination. Following this, you may need to undergo further evaluation via blood tests, stool sample tests, lactose intolerance tests, etc. 


Lifestyle changes that help in alleviating IBS symptoms

Below are some tips to help alleviate IBS symptoms:

Diet: The easiest way of controlling IBS symptoms is by avoiding food that triggers it. According to various studies, certain food items that trigger IBS symptoms are caffeine, milk and milk products, wheat and wheat products, deep-fried foods, and spicy foods. Including food rich in fiber and drinking at least 3-4 glasses of water daily can help regulate your bowel movements.


Sleep: Developing and having a consistent sleeping schedule helps relieve the symptoms of IBS.


Exercise: Following a regular exercise routine helps in bringing stress levels down.


Smoking: Nicotine in cigarettes can worsen the symptoms of IBS by increasing the acid production in the stomach.


Probiotics: Probiotics increase good bacteria in the intestine and relieve gas and bloating symptoms.


Five exercises that help with IBS

The following are some expert-recommended IBS physical exercises that have been proven to help improve gastrointestinal (GI) symptoms.


  • Yoga: It helps connect and balance the body, brain, and breath. It improves the mind-body connection and helps improve the digestion and symptoms of IBS.
  • Tai Chi: The movements in Tai Chi connect the body and breath and help reduce stress.
  • Walking: Walking eases IBS symptoms and alleviates stress.
  • Cycling: Cycling allows you to choose the intensity level and improves your body's overall health.
  • Swimming: Swimming works on your entire body and boosts your mood at the same time.


What is constipation and its causes?

Constipation occurs when an individual experiences discomfort or infrequency in bowel movements. Typically, constipation is identified by the passage of small amounts of hard, dry stool, occurring less than three times a week. The frequency of normal stool elimination varies from three times a day to three times a week, depending on the individual.


The reason behind constipation is when the colon becomes dry and has hard stools due to excess water absorption. During the passage of food through the colon, also referred to as the large intestine, water is absorbed, forming stool or waste products. Subsequently, muscle contractions propel the stool towards the rectum. By the time it reaches the rectum, most water is absorbed, causing the stool to solidify.


When the colon muscles contract slowly, stool passage becomes sluggish. Some of the common causes of constipation are:


  • Medications
  • Lack of exercise
  • Inadequate fluid intake
  • Low dietary fiber
  • Irritable bowel syndrome
  • Neglecting the urge to pass stool
  • Lifestyle changes (e.g., travel, pregnancy, old age)
  • Intestinal function issues
  • Laxative abuse


Constipation symptoms may manifest as:


  • Infrequent bowel movements (less than three times weekly).
  • Dry, hard, and lumpy stools.
  • Difficulty or pain during bowel movements.
  • Experiencing stomach aches or cramps.
  • A sensation of bloating and nausea.
  • The perception of incomplete bowel emptying after a movement.


Addressing constipation involves several effective strategies, such as:


  • Modify your diet to include more fiber.
  • Ensure proper water intake throughout the day to soften stool.
  • Maintain an active lifestyle.
  • Consider switching routine medications under your doctor's guidance.
  • Use laxatives judiciously, including enemas, glycerin suppositories, and stimulant laxatives.
  • Incorporate daily fiber supplements like psyllium or bran cereals and stool softeners.


Additionally, the GI specialist near you may suggest biofeedback techniques. This approach helps individuals enhance the strength and efficiency of their pelvic floor muscles, contributing to better constipation management.


Finding the best gastroenterologist near you in San Francisco, CA

While IBS affects 5 to 10% of the population worldwide, in the US, it impacts 25 to 45 million people. It can turn into a significant issue, and therefore, getting help at the right time is crucial if symptoms persist. Bringing to you Zocdoc, the perfect platform to search for the healthcare providers best suited for your needs.


Having an account at Zocdoc is optional to access our vast database. Just type in your residential address, health problem or symptom, your insurance provider, and your preferred appointment date; Zocdoc immediately filters and presents to you a curated list of the best gastroenterologists practicing in your area.


Any gastroenterologist near you on Zocdoc has a profile that carries all the information you need to get a clear picture of their educational background, certification, work experience, awards, and verified customer feedback from previous patients who have sought treatment. 


Since IBS is a chronic condition, the treatment also would be long-term. Zocdoc helps you know if the doctor of your choice is in-network, that is, accepts your health insurance. All you need to do is click on your insurance provider from the drop-down menu. You have the option to add medical, dental, and vision insurance plans to your Zocdoc account. However, you can only search for and book an appointment using one insurance plan at a time. If you have multiple insurance plans, you can include details about your secondary carrier and plan in the notes for the provider during the final step of the booking process. Additionally, if your provider uses Zocdoc’s Intake forms, you can input your secondary insurance information when completing the forms online. If you have more insurance-related queries, you can visit Zocdoc’s insurance page.


With Zocdoc, you can book an in-person and online appointment a day in advance or even on the same day, depending on whether the GI specialist near you is available or not. Be assured that you will receive the best care possible.


All bookings at Zocdoc are fast, free, and secure.


Statistics on GI disorders in San Francisco, California

A common reason for consulting a gastroenterologist is hepatitis. Researchers used registry data to conduct a study in San Francisco, California, to see if the city will be able to achieve the Center for Diseases Control and Prevention (CDC) projected 65% decrease in the Hepatitis C Virus (HCV) mortality rates by 2030. Compared to the rest of the US, San Francisco showed a more significant reduction in the rates of deaths from HCV, and the conclusion was that San Francisco would achieve its target earlier than 2030.


Sources

Mayo Clinic[1]

Mayo Clinic[2]

Cleveland Clinic[1]

Healthline

WebMD[1]

WebMD[2]

About IBS

Everyday Health

PubMed[1]

PubMed[2]

Crohn's and Colitis Foundation of America

Johns Hopkins Medicine

Cleveland Clinic[2]

Southwest Gastroenterology P.A.

Coryell Health


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

Zocdoc›Gastroenterologists›San Francisco, CA