The 20 Best Diarrhea Doctors Near Me in clayton, MO

Find the Top Diarrhea Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 263 doctor with experience in Diarrhea near clayton, MO. Of these, 239 are Experienced, 12 are Advanced and 5 are Distinguished.

Location
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263 providers found
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    Referral may be required

    Barnes-Jewish Hospital

    1 Barnes Jewish Hospital Plz, 
    Saint Louis, MO 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Matthew Ciorba is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Ciorba is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Colitis, Small Bowel Resection, and Colonoscopy. Dr. Ciorba is currently accepting new patients.

    Distinguished in Diarrhea
    Pediatrics
    Distinguished in Diarrhea
    Pediatrics
    Referral may be required

    Office

    1 Childrens Pl Ste 3S34, 
    Saint Louis, MO 
     (4.0 miles away)
    Languages Spoken:
    English

    Jie Li is a Pediatrics provider practicing medicine in Saint Louis, Missouri. Dr. Li is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. She is also highly rated in 65 other conditions, according to our data. Her clinical expertise encompasses Newborn Head Molding, Cerebral Hypoxia, Hypertension, Spinal Fusion, and Osteotomy.

    Distinguished in Diarrhea
    Pediatric Gastroenterology
    Distinguished in Diarrhea
    Pediatric Gastroenterology
    Referral may be required

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Phillip Tarr is a Pediatric Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Tarr is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Necrotizing Enterocolitis, Viral Gastroenteritis, Malnutrition, and Small Bowel Resection. Dr. Tarr is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Barnes-Jewish Hospital

    4950 Childrens Pl, 
    Saint Louis, MO 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Melvin Blanchard is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Blanchard is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Chronic Pain, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Hypertension. Dr. Blanchard is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Referral may be required

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Parakkal Deepak is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Deepak is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Colonoscopy, and Endoscopy. Dr. Deepak is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    SSM Health Medical Group

    1035 Bellevue Ave., Suite 400, 
    St. Louis, MO 
     (1.8 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Simeon Prager is a primary care provider, practicing in Internal Medicine in St. Louis, Missouri. Dr. Prager is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Prager is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Prager is currently accepting new patients.

    Internal Medicine
    Internal Medicine

    SSM Health Medical Group

    1035 Bellevue Ave., Suite 400, 
    St. Louis, MO 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mark Krasnoff is a primary care provider, practicing in Internal Medicine in St. Louis, Missouri. Dr. Krasnoff is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Colorectal Cancer, Familial Colorectal Cancer, and Endoscopy. Dr. Krasnoff is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Krasnoff is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    6420 Clayton Road, 
    St. Louis, MO 
     (1.8 miles away)
    Languages Spoken:
    English, Farsi, French
    Accepting New Patients

    Mohammad Moaddabi-Araghi is a primary care provider, practicing in Internal Medicine in St. Louis, Missouri. Dr. Moaddabi-Araghi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Moaddabi-Araghi is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Moaddabi-Araghi is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Referral may be required

    SSM Health Medical Group

    6400 Clayton Road, Suite 216, 
    St. Louis, MO 
     (1.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English, Vietnamese
    Accepting New Patients

    Giao Vuong is a Gastroenterologist practicing medicine in St. Louis, Missouri. He has been practicing medicine for over 17 years. Dr. Vuong is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Gastrointestinal Bleeding, Gastrectomy, and Endoscopy. Dr. Vuong is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Internal Medicine/Gastroenterology . Dr. Vuong is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Referral may be required

    SSM Health Medical Group

    6400 Clayton Road, Suite 216, 
    St. Louis, MO 
     (1.9 miles away)
    Languages Spoken:
    English, French
    Accepting New Patients

    Joel Riley is a Gastroenterologist practicing medicine in St. Louis, Missouri. Dr. Riley is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Gardner Syndrome, Gastrectomy, and Colonoscopy. Dr. Riley is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Internal Medicine/Gastroenterology . Dr. Riley is currently accepting new patients.

    Pediatrics | Internal Medicine
    Pediatrics | Internal Medicine
    Referral may be required

    SSM Health Cardinal Glennon Pediatrics

    2927 S. Kingshighway Blvd., 
    St. Louis, MO 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Marilyn Maxwell is a primary care provider, practicing in Pediatrics and Internal Medicine in St. Louis, Missouri. Dr. Maxwell is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Type 2 Diabetes (T2D), Movement Disorders, Parkinson's Disease, and Glucocorticoid-Remediable Aldosteronism. Dr. Maxwell is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Pediatrics , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Maxwell is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    Referral may be required

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Chandra Gyawali is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Gyawali is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Achalasia, Endoscopy, and Gastric Bypass. Dr. Gyawali is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    Referral may be required

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Aaron Greenspan is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Greenspan is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Painful Swallowing, Swallowing Difficulty, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Greenspan is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    SSM Health Medical Group

    9759 Manchester Road, 
    St. Louis, MO 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Priya Kumaraguru is a primary care provider, practicing in Family Medicine in St. Louis, Missouri. Dr. Kumaraguru is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Emphysema, Bullae, Familial Hypertension, and Hypertension. Dr. Kumaraguru is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Illinois Department Of Financial & Professional Regulation , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Kumaraguru is currently accepting new patients.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology
    Referral may be required

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
     (5.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    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 Diarrhea. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Irritable Bowel Syndrome (IBS), Small Bowel Bacterial Overgrowth, Colonoscopy, and Endoscopy. Dr. Weinstock is currently accepting new patients.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology
    Referral may be required

    VAMC St. Louis MO

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

    Gregory Sayuk is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Sayuk is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Chronic Idiopathic Constipation (CIC), Diarrhea, Colostomy, and Colonoscopy.

    Distinguished in Diarrhea
    Internal Medicine
    Distinguished in Diarrhea
    Internal Medicine

    VAMC St. Louis MO

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

    James Fleckenstein is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Fleckenstein is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Food Poisoning, Bacterial Gastroenteritis, and Malnutrition.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    SSM Health Medical Group

    2024 Dorsett Village, 
    Maryland Heights, MO 
     (7.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Timothy Jennings is a primary care provider, practicing in Family Medicine in Maryland Heights, Missouri. Dr. Jennings is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Migraine, Chronic Obstructive Pulmonary Disease (COPD), Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D). Dr. Jennings is board certified in American Osteopathic Board Of Family Physicians , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Jennings is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Referral may be required

    Office

    1035 Bellevue Ave Ste 204, 
    Saint Louis, MO 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ronald Gould is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Gould is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Benign Esophageal Stricture, Lower Esophageal Ring, Diverticular Disease, Gastrectomy, and Colonoscopy. Dr. Gould is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Jianmei Liu MD LLC

    6400 Clayton Rd Ste 401, 
    Saint Louis, MO 
     (1.4 miles away)
    Languages Spoken:
    English, Mandarin
    Accepting New Patients

    Jianmei Liu is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Liu is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses End-Stage Renal Disease (ESRD), Canavan Disease, Metachromatic Leukodystrophy, and Farber Lipogranulomatosis. Dr. Liu is currently accepting new patients.

    Showing 1-20 of 263

    Last Updated: 09/26/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor near clayton, 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 clayton, 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 clayton, 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 clayton, 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 clayton, 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 clayton, 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 clayton, 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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