The 20 Best Small Bowel Bacterial Overgrowth Doctors Near Me in San Francisco, CA

Find the Top Small Bowel Bacterial Overgrowth Experts and Specialists

Last Updated: 02/22/2026

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MediFind found 16 doctor with experience in Small Bowel Bacterial Overgrowth near San Francisco, CA. Of these, 15 are Experienced and 1 are Advanced.

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16 providers found
    Ida Sim
    Experienced in Small Bowel Bacterial Overgrowth
    Internal Medicine
    Experienced in Small Bowel Bacterial Overgrowth
    Internal Medicine

    General Internal Medicine At Mount Zion

    1545 Divisadero St., First And Second Floors, 
    San Francisco, CA 
     (1.3 miles away)
    Languages Spoken:
    English, Cantonese
    Accepting New Patients
    Offers Telehealth

    Dr. Ida Sim is a primary care doctor, informatics researcher and entrepreneur. She enjoys helping patients with general disease prevention as well as with managing chronic conditions. Sim's current research focuses on using mobile device applications and sensors to improve health and manage disease for groups as well as individuals. She also studies methods for making research on patient care faster and less expensive. She is a co-founder of Open mHealth, a nonprofit organization that is building open source tools and standards to promote data integration for mobile health apps and sensors. Sim earned her medical degree from Stanford University. She completed a residency in primary care internal medicine at Massachusetts General Hospital, followed by fellowships in ambulatory care and medical informatics at the Veterans Affairs Palo Alto Health Care System. She also has a doctorate in medical informatics from Stanford University. Sim has served on several advisory committees on health information infrastructure for patient care and research, including committees of the National Research Council and National Academy of Medicine. The National Science and Technology Council honored her with a Presidential Early Career Award for Scientists and Engineers. She is a fellow of the American College of Medical Informatics and a member of the American Society for Clinical Investigation. Sim co-directs the Informatics and Research Innovation Program at the UCSF Clinical and Translational Science Institute. She speaks Cantonese. Dr. Sim is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. Her top areas of expertise are Acute Pain, Chronic Pain, Familial Hypertension, and Hypertension.

    Jonathan P. Terdiman
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Colitis And Crohn's Disease Center

    1701 Divisadero St., Suite 120, 
    San Francisco, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Jonathan Terdiman is a gastroenterologist who serves as co-director of UCSF's inflammatory bowel disease center and colorectal cancer prevention program. His research interests include colorectal cancer prevention, hereditary gastrointestinal cancer and inflammatory bowel disease. Terdiman earned his medical degree at Columbia University's Vagelos College of Physicians and Surgeons. He completed a residency in internal medicine and fellowships in critical care medicine and gastroenterology at UCSF. Terdiman frequently lectures in the community, at the university and for various professional organizations on the subjects he explores in his research. Dr. Terdiman is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

    Advanced in Small Bowel Bacterial Overgrowth
    Internal Medicine
    Advanced in Small Bowel Bacterial Overgrowth
    Internal Medicine

    Rana Richeh MD Inc

    425 California St Ste 1400, 
    San Francisco, CA 
     (1.5 miles away)
    Languages Spoken:
    English

    Denise Lee is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. Her top areas of expertise are Short Bowel Syndrome, Small Bowel Bacterial Overgrowth, Malnutrition, and Abdominal Obesity Metabolic Syndrome.

    Learn about our expert tiers
    Sue Rhee
    Experienced in Small Bowel Bacterial Overgrowth
    Pediatric Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Pediatric Gastroenterology

    Pancreas Center

    1825 Fourth St., Fourth Floor, 
    San Francisco, CA 
     (1.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dr. Sue Rhee is a pediatric gastroenterologist and liver specialist who specializes in intestinal failure, liver disease and transplantation of the intestines and liver. Rhee is the division chief of Gastroenterology, Hepatology and Nutrition for the UCSF Department of Pediatrics. At UCSF Benioff Children's Hospital, she is medical director of both the Pediatric Liver Transplant Program and Pediatric Intestinal Rehabilitation and Transplantation Program. She also co-directs the Pediatric Pancreas Program. Rhee's research investigates pediatric intestinal failure, liver transplantation and total parenteral nutrition (TPN), an intravenous feeding method used when the digestive tract isn't working properly. Her TPN research has a particular focus on preventing liver disease associated with chronic use of TPN. Rhee earned her medical degree at Albany Medical College. She then completed a residency in pediatrics at the University of Maryland Medical Center, followed by a fellowship in pediatric gastroenterology and nutrition at Harvard Medical School. While at Harvard, she conducted research on age-specific differences in intestinal immune response at the cellular and molecular level. Dr. Rhee is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. Her top areas of expertise are Childhood Pancreatitis, Chronic Pancreatitis, Short Bowel Syndrome, Hereditary Pancreatitis, and Liver Transplant.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Colitis And Crohn's Disease Center

    1701 Divisadero St Ste 120, 
    San Francisco, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kendall Beck is a Gastroenterologist in San Francisco, California. Dr. Beck is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Colitis, Endoscopy, and Colonoscopy.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    San Francisco Medical Center

    2350 Geary Boulevard, 2nd Floor, 
    San Francisco, CA 
     (1.2 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients

    Kunal Karia is a Gastroenterologist in San Francisco, California. Dr. Karia has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Bile Duct Stricture, Spontaneous Bacterial Peritonitis, Pancreatic Pseudocyst, Endoscopy, and Lithotripsy. Dr. Karia is currently accepting new patients.

    Experienced in Small Bowel Bacterial Overgrowth
    Internal Medicine
    Experienced in Small Bowel Bacterial Overgrowth
    Internal Medicine

    General Internal Medicine At Mount Zion

    1545 Divisadero St, 
    San Francisco, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Don Ng is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Ng is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Jaundice, Type 1 Diabetes (T1D), Meniere Disease, and Familial Hypertension.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Ucsf

    1001 Potrero Ave, 
    San Francisco, CA 
     (1.5 miles away)
    Languages Spoken:
    English

    Justin Sewell is a Gastroenterologist in San Francisco, California. Dr. Sewell is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Watermelon Stomach, Angiodysplasia of the Colon, Ulcerative Colitis, Endoscopy, and Colonoscopy.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Ucsf

    1001 Potrero Ave, 
    San Francisco, CA 
     (1.5 miles away)
    Languages Spoken:
    English

    Lukejohn Day is a Gastroenterologist in San Francisco, California. Dr. Day is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Familial Adenomatous Polyposis, Colorectal Cancer, Gastritis, Endoscopy, and Colonoscopy.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Office

    350 Parnassus Ave Ste 900, 
    San Francisco, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Harvey Watts is a Gastroenterologist in San Francisco, California. Dr. Watts is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Irritable Bowel Syndrome (IBS), Intestinal Parasitosis, Diarrhea, and Trichohepatoenteric Syndrome.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Office

    1001 Potrero Ave # 862, 
    San Francisco, CA 
     (1.7 miles away)
    Languages Spoken:
    English

    Ma Somsouk is a Gastroenterologist in San Francisco, California. Dr. Somsouk is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Colorectal Cancer, Radiation Enteritis, Familial Colorectal Cancer, Colonoscopy, and Endoscopy.

    Experienced in Small Bowel Bacterial Overgrowth
    Internal Medicine
    Experienced in Small Bowel Bacterial Overgrowth
    Internal Medicine

    Office

    3838 California St Rm 600, 
    San Francisco, CA 
     (2.4 miles away)
    Languages Spoken:
    English

    Geoffrey Quinn is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Quinn is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Achilles Tendon Rupture, and Infant Hyperglycemia.

    Mark M. Tsuchiyose
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Center For Diabetes And Cardiometabolic Health (CDCH)

    1850 Sullivan Ave, Suite 420, 
    Daly City, CA 
     (7.1 miles away)
    Experience:
    35+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mark Tsuchiyose is a Gastroenterologist in Daly City, California. Dr. Tsuchiyose has been practicing medicine for over 35 years and is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Exocrine Pancreatic Insufficiency, Angiodysplasia of the Colon, Indigestion, Endoscopy, and Colonoscopy. Dr. Tsuchiyose is currently accepting new patients.

    Experienced in Small Bowel Bacterial Overgrowth
    Pediatric Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Pediatric Gastroenterology

    UCSF Benioff Children's Hospital Oakland

    747 52nd St, 
    Oakland, CA 
     (9.4 miles away)
    Languages Spoken:
    English

    Vivien Nguyen is a Pediatric Gastroenterologist in Oakland, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. Her top areas of expertise are Malnutrition, Hirschsprung Disease, Total Intestinal Aganglionosis, and Williams Syndrome.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Gastroenterology Associates Of The East Bay Medical Group Inc.

    2510 Webster St, 
    Berkeley, CA 
     (10.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mehra Hosseini is a Gastroenterologist in Berkeley, California. Dr. Hosseini is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Portal Hypertension, and Gastrectomy.

    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Experienced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Health Diagnostics Of California LLC

    1860 El Camino Real Ste 101, 
    Burlingame, CA 
     (14.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rowena Garcia is a Gastroenterologist in Burlingame, California. Dr. Garcia is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. Her top areas of expertise are Hemorrhoids, Viral Gastroenteritis, Chronic Erosive Gastritis, Gastrectomy, and Endoscopy.

    Showing 1-16 of 16

    Last Updated: 02/22/2026

    What is the definition of Small Bowel Bacterial Overgrowth?

    Small bowel bacterial overgrowth is a condition in which very large numbers of bacteria grow in the small intestine.

    When should I see a Small Bowel Bacterial Overgrowth doctor near San Francisco, CA?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Small Bowel Bacterial Overgrowth doctor near San Francisco, CA?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Small Bowel Bacterial Overgrowth doctors near San Francisco, CA?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Small Bowel Bacterial Overgrowth doctors near San Francisco, CA?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Small Bowel Bacterial Overgrowth doctor near San Francisco, CA?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Small Bowel Bacterial Overgrowth doctor search results page. 

    Why is it important to get a second opinion from a different Small Bowel Bacterial Overgrowth doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Small Bowel Bacterial Overgrowth doctor near San Francisco, CA?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Small Bowel Bacterial Overgrowth doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Small Bowel Bacterial Overgrowth doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Small Bowel Bacterial Overgrowth doctors near San Francisco, CA?

    Look for the filter feature on the left side of the Small Bowel Bacterial Overgrowth doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Small Bowel Bacterial Overgrowth doctor that offers video calls?

    Look for the filter feature on the left-side of the Small Bowel Bacterial Overgrowth doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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