The 20 Best Diarrhea Doctors Near Me in Saint Louis, MO

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 182 doctor with experience in Diarrhea near Saint Louis, MO. Of these, 161 are Experienced, 14 are Advanced and 3 are Distinguished.

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182 providers found
    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    VAMC St. Louis MO

    915 N Grand Blvd, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Gregory Sayuk is a Gastroenterologist in Saint Louis, Missouri. Dr. Sayuk is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Irritable Bowel Syndrome (IBS), Chronic Idiopathic Constipation (CIC), Diarrhea, Colostomy, and Colonoscopy.

    Distinguished in Diarrhea
    Pediatric Gastroenterology
    Distinguished in Diarrhea
    Pediatric Gastroenterology

    St. Louis Children's Hospital

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

    Phillip Tarr is a Pediatric Gastroenterologist in Saint Louis, Missouri. Dr. Tarr is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Necrotizing Enterocolitis, Viral Gastroenteritis, Anemia, and Small Bowel Resection.

    Matthew Ciorba
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Office

    4921 Parkview Pl Fl 8, 
    Saint Louis, MO 
     (3.7 miles away)
    Languages Spoken:
    English

    Matthew Ciorba is a Gastroenterologist in Saint Louis, Missouri. Dr. Ciorba is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Colitis, Small Bowel Resection, and Colonoscopy.

    Learn about our expert tiers
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    VAMC St. Louis MO

    915 N Grand Blvd, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Matthew Nissing is a Gastroenterologist in Saint Louis, Missouri. Dr. Nissing is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Morning Sickness, Acute Pancreatitis, Crohn's Disease, Endoscopy, and Colonoscopy.

    Adam D. Farmer
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    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 Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Tenesmus, Irritable Bowel Syndrome (IBS), Opioid Induced Constipation, Endoscopy, and Colonoscopy.

    Jennifer Palagiri
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    SLUCare Physician Group

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

    "With clinical expertise in a broad spectrum of gastrointestinal conditions, Dr. Jennifer Palagiri cares for patients using the latest diagnostic technologies and therapies. She treats individuals with inflammatory bowel disease, irritable bowel syndrome, motility disorders, abdominal pain, Crohn's disease and obscure gastrointestinal bleeding. She also conducts colon cancer screening and performs procedures that include double balloon enteroscopy, capsule endoscopy and colonoscopy. A member of the Department of Internal Medicine, Division of Gastroenterology and Hepatology at Saint Louis University School of Medicine, Dr. Palagiri serves as an assistant professor of Internal Medicine. She is a member of the American College of Gastroenterology, Crohn's Colitis Foundation of America, the American Gastroenterological Association and the American Neurogastroenterology and Motility Society. Dr. (LaBundy) Palagiri has the distinction of being named a ""Best Doctor"" in St. Louis Magazine's annual listing of top physicians.". Dr. Palagiri is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Ascites, Crohn's Disease, Ulcerative Colitis, Endoscopy, and Colonoscopy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    SSM-Sluh Inc.

    1225 S Grand Blvd, 
    Saint Louis, MO 
     (2.2 miles away)
    Languages Spoken:
    English

    Christine Hachem is a Gastroenterologist in Saint Louis, Missouri. Dr. Hachem is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Menetrier Disease, Swallowing Difficulty, Crohn's Disease, Colonoscopy, and Endoscopy.

    Dhiren Patel
    Pediatric Gastroenterology | Pediatrics
    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. Dhiren Patel treats young patients who have bowel, liver, and abdominal disorders. His clinical expertise includes digestive diseases, swallowing disorders, gastrointestinal infections and food allergies. He performs upper and lower endoscopies, feeding tube placement, liver biopsy, rectal suction biopsy, esophageal dilatation, motility studies, foreign body removal, pH-impedance testing for gastroesophageal reflux disease and hydrogen breath testing for malabsorption in children. Dr. Patel uses the latest techniques in his care for patients, including capsule endoscopies and high resolution manometry for motility disorders. His research interests include pediatric inflammatory bowel disease, motility disorders, celiac disease, fecal microbiota transplant and eosinophilic gastrointestinal disorders. Dr. Patel is an assistant professor in the Department of Pediatrics, Division of Gastroenterology, at Saint Louis University School of Medicine. He is a member of the North American Society of Pediatric Gastroenterology, Hepatology and Nutrition, and is a diplomate of the American Board of Pediatrics. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Malnutrition, Autoimmune Hepatitis, Eosinophilic Esophagitis, and Encopresis.

    Nisha Mangalat
    Pediatric Gastroenterology | Pediatrics
    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 Diarrhea. Her top areas of expertise are Short Bowel Syndrome, Necrotizing Enterocolitis, Malnutrition, and Gastroschisis.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Washington University

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

    Chandra Gyawali is a Gastroenterologist in Saint Louis, Missouri. Dr. Gyawali is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Achalasia, Endoscopy, and Gastric Bypass.

    Gregory Storch
    Experienced in Diarrhea
    Infectious Disease
    Experienced in Diarrhea
    Infectious Disease

    St. Louis Children's Hospital

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

    Gregory Storch is an Infectious Disease provider in Saint Louis, Missouri. Dr. Storch is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Cytomegalic Inclusion Disease, Sepsis, Mononucleosis, and Parainfluenza.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Barnes-Jewish Hospital

    1 Barnes Jewish Hospital Plz, 
    Saint Louis, MO 
     (3.6 miles away)
    Languages Spoken:
    English

    Maxwell Barffour is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Barffour is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Childhood Iron Deficiency Anemia, Diarrhea, Iron Deficiency Anemia, and Anemia.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    VAMC St. Louis MO

    915 N Grand Blvd, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Jeffrey Kreikemeier is a Gastroenterologist in Saint Louis, Missouri. Dr. Kreikemeier is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    VAMC St. Louis MO

    915 N Grand Blvd, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Michael Presti is a Gastroenterologist in Saint Louis, Missouri. Dr. Presti is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Intestinal Pseudo-Obstruction, Biliary Dyskinesia, Crohn's Disease, Colostomy, and Gastrostomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    SLUCare Physician Group

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

    Sanjay Bhat is a Gastroenterologist in St. Louis, Missouri. Dr. Bhat is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gallstones, Choledocholithiasis, Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Allergy and Immunology
    Experienced in Diarrhea
    Allergy and Immunology

    SLUCare Physician Group

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

    Zainab Farooqui is a primary care provider, practicing in Allergy and Immunologist in St. Louis, Missouri. Dr. Farooqui is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Neuroendocrine Tumor, Stridor, Gastroparesis, and Esophagitis.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    SSM Health Cardinal Glennon Children's Hospital

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

    Stephen Ream is an Internal Medicine provider in Saint Louis, Missouri. Dr. Ream is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Pediatric Myocarditis, Myocarditis, Diarrhea, and Ventricular Septal Defects.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Office

    3535 S Jefferson Ave Ste 310, 
    Saint Louis, MO 
     (2.9 miles away)
    Languages Spoken:
    English

    Frans Handoyo is a Gastroenterologist in Saint Louis, Missouri. Dr. Handoyo is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Protein Deficiency, Malnutrition, Gastritis, Gastrostomy, and Gastrectomy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Office

    4901 Forest Park Ave Ste 241, 
    Saint Louis, MO 
     (3.2 miles away)
    Languages Spoken:
    English

    Catherine Hermann is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Hermann is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Type 2 Diabetes (T2D).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    100 N 8th St Ste 232, 
    East Saint Louis, IL 
     (3.4 miles away)
    Languages Spoken:
    English

    John Magner is a primary care provider, practicing in Family Medicine in East Saint Louis, Illinois. Dr. Magner is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are End-Stage Renal Disease (ESRD), Maturity Onset Diabetes of the Young, Hypertension, and Familial Hypertension.

    Showing 1-20 of 182

    Last Updated: 04/28/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea doctor search results page. 

    Why is it important to get a second opinion from a different Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea doctors near Saint Louis, MO?

    Look for the filter feature on the left side of the Diarrhea 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 Diarrhea doctor that offers video calls?

    Look for the filter feature on the left-side of the Diarrhea 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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