The 20 Best Small Bowel Bacterial Overgrowth Doctors Near Me in Saint Louis, MO

Find the Top Small Bowel Bacterial Overgrowth Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 17 doctor with experience in Small Bowel Bacterial Overgrowth near Saint Louis, MO. Of these, 14 are Experienced, 2 are Distinguished and 1 are Advanced.

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17 providers found
    Distinguished in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Distinguished in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
     (3.5 miles away)
    Languages Spoken:
    English

    Deborah Rubin is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Rubin is rated as a Distinguished provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Short Bowel Syndrome, Small Bowel Bacterial Overgrowth, Malnutrition, Small Bowel Resection, and Hepatectomy.

    Advanced in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Advanced in Small Bowel Bacterial Overgrowth
    Gastroenterology

    SLUCare Physician Group

    1225 S. Grand Blvd., Second Level, 
    St. Louis, MO 
     (2.2 miles away)
    Languages Spoken:
    English

    Dr. Adam Farmer is a gastroenterologist who specializes in neurogastroenterology, caring for adult patients 18 and older. He treats various tertiary level neurogastroenterology and motility disorders, including irritable bowel syndrome, chronic abdominal pain, functional dyspepsia, and constipation. Dr. Farmer leads a research program focused on novel neuromodulatory treatments. He is also interested in the gastroenterology manifestations of systemic disorders such as diabetes and Ehlers-Danlos Syndrome. Dr. Farmer has published more than 120 peer-reviewed papers, contributed to 20 medical textbooks, and been cited more than 9,000 times by other researchers. Dr. Farmer is a professor with the Division of Gastroenterology and Hepatology in the Department of Internal Medicine at Saint Louis University School of Medicine. He is a member of the British Society of Gastroenterology; European Society of Neurogastroenterology and Motility; American Neurogastroenterology and Motility Society; International Association for the Study of Pain; and the Royal College of Physicians (London). Dr. Farmer is rated as an Advanced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Tenesmus, Irritable Bowel Syndrome (IBS), Opioid Induced Constipation, Endoscopy, and Colonoscopy. Dr. Farmer is board certified in Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.

    Experienced in Small Bowel Bacterial Overgrowth
    Endocrinology
    Experienced in Small Bowel Bacterial Overgrowth
    Endocrinology

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
     (3.5 miles away)
    Languages Spoken:
    English

    Dominic Reeds is a primary care provider, practicing in Endocrinologist in Saint Louis, Missouri. Dr. Reeds is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity, Type 2 Diabetes (T2D), Delayed Growth, Hormone Replacement Therapy (HRT), and Gastric Bypass.

    Learn about our expert tiers
    Experienced in Small Bowel Bacterial Overgrowth
    Pediatric Gastroenterology | Pediatrics
    Experienced in Small Bowel Bacterial Overgrowth
    Pediatric Gastroenterology | Pediatrics

    SSM Health Cardinal Glennon Pediatrics Specialty Services - Grand Boulevard

    1465 S. Grand Blvd., 
    St. Louis, MO 
     (2.2 miles away)
    Languages Spoken:
    English

    Dr. Nisha Mangalat cares for children with a variety of gastrointestinal issues: abdominal pain, irritable bowel syndrome, diarrhea, constipation, reflux, eosinophilic esophagitis, inflammatory bowel disease including Crohn's disease and colitis, short bowel syndrome and intestinal failure. Her research interests are in medical education and pediatric short bowel syndrome/intestinal failure. Dr. Mangalat is an associate professor in the Department of Pediatrics, Division of Gastroenterology, at Saint Louis University School of Medicine. She is the Pediatric Gastroenterology fellowship program director. She is a member of the North American Society for Pediatric Gastroenterology and Nutrition. Dr. Mangalat is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Short Bowel Syndrome, Necrotizing Enterocolitis, Malnutrition, and Gastroschisis. Dr. Mangalat is board certified in American Board Of Pediatrics , American Board Of Pediatrics/Gastroenterology , Illinois Department Of Financial & Professional Regulation , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.

    Experienced in Small Bowel Bacterial Overgrowth
    Transplant Surgery
    Experienced in Small Bowel Bacterial Overgrowth
    Transplant Surgery

    Office

    1008 S Spring Ave Fl 2, 
    Saint Louis, MO 
     (3.7 miles away)
    Languages Spoken:
    English

    Adrian Di Bisceglie is a Transplant Surgeon practicing medicine in Saint Louis, Missouri. Dr. Di Bisceglie is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Hepatitis C, Hepatitis, Hepatitis B, Cirrhosis, and Liver Transplant.

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

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Charlene Prather is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Prather is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Indigestion, Crohn's Disease, Bowel Incontinence, Endoscopy, and Colonoscopy.

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

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
     (3.6 miles away)
    Languages Spoken:
    English

    Darla Shores is a Pediatric Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Shores is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Necrotizing Enterocolitis, Gastroschisis, Short Bowel Syndrome, Viral Gastroenteritis, and Gastrostomy.

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

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
     (3.6 miles away)
    Languages Spoken:
    English

    Martine Saint is a Pediatric Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Saint is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. Her clinical expertise encompasses Short Bowel Syndrome, Small Bowel Bacterial Overgrowth, and Malnutrition.

    Distinguished in Small Bowel Bacterial Overgrowth
    Gastroenterology
    Distinguished in Small Bowel Bacterial Overgrowth
    Gastroenterology

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
     (13.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Leonard Weinstock is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Weinstock is rated as a Distinguished provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

    Experienced in Small Bowel Bacterial Overgrowth
    Family Medicine
    Experienced in Small Bowel Bacterial Overgrowth
    Family Medicine

    Webster Family Physicians PC

    7979 Big Bend Blvd, 
    Saint Louis, MO 
     (7.8 miles away)
    Languages Spoken:
    English

    Christian Wessling is a primary care provider, practicing in Family Medicine in Saint Louis, Missouri. Dr. Wessling is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Hypothyroidism, Obesity in Children, Cystoisosporiasis, and Hereditary Alpha-Tryptasemia.

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

    Michael Guignon M.D. P.C.

    4550 Memorial Dr Ste 280, 
    Belleville, IL 
     (12.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anuj Sharma is an Internal Medicine provider practicing medicine in Belleville, Illinois. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Jaundice, Familial Adenomatous Polyposis, Chronic Erosive Gastritis, Endoscopy, and Gastrectomy.

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

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
     (13.2 miles away)
    Languages Spoken:
    English

    Aman Singh is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Angiodysplasia of the Colon, Heartburn, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

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

    Missouri Baptist Medical Center

    3015 N Ballas Rd, 
    Saint Louis, MO 
     (13.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammad Tarik is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Tarik is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Esophageal Varices, Lactose Intolerance, Gastrectomy, and Endoscopy.

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

    St. Anthony's Physician Organization

    10012 Kennerly Rd Ste 102, 
    Saint Louis, MO 
     (13.8 miles away)
    Languages Spoken:
    English

    Youssef Assioun is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Assioun is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Enlarged Liver, Ascites, Viral Gastroenteritis, Gastrectomy, and Colonoscopy.

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

    Mercy Clinic Digestive Disease

    615 S New Ballas Rd Ste 1200, 
    Saint Louis, MO 
     (14.2 miles away)
    Languages Spoken:
    English

    Paul Buse is an Internal Medicine provider practicing medicine in Saint Louis, Missouri. Dr. Buse is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Crohn's Disease, Barrett Esophagus, Gastrectomy, and Colonoscopy.

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

    Office

    11525 Olde Cabin Rd Ste 101, 
    Saint Louis, MO 
     (14.2 miles away)
    Languages Spoken:
    English

    Erik Thyssen is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Thyssen is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

    Experienced in Small Bowel Bacterial Overgrowth
    Family Medicine
    Experienced in Small Bowel Bacterial Overgrowth
    Family Medicine
    13303 Tesson Ferry Road, Suite 105, 
    St. Louis, MO 
     (14.2 miles away)
    Languages Spoken:
    English

    Aaron Bjorn is a primary care provider, practicing in Family Medicine in St. Louis, Missouri. Dr. Bjorn is rated as an Experienced provider by MediFind in the treatment of Small Bowel Bacterial Overgrowth. His clinical expertise encompasses Type 2 Diabetes (T2D), Seasonal Affective Disorder (SAD), High Cholesterol, and Meningitis. Dr. Bjorn is board certified in Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.

    Showing 1-17 of 17

    Last Updated: 04/28/2026

    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 Saint Louis, MO?

    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 Saint Louis, MO?

    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 Saint Louis, MO?

    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 Saint Louis, MO?

    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 Saint Louis, MO?

    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 Saint Louis, MO?

    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 Saint Louis, MO?

    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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