The 20 Best Diarrhea Doctors Near Me in Fenton, MO

Find the Top Diarrhea Experts and Specialists

Last Updated: 02/22/2026

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MediFind found 201 doctor with experience in Diarrhea near Fenton, MO. Of these, 183 are Experienced, 11 are Advanced and 3 are Distinguished.

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201 providers found
    Sarah Ludlow
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    SSM Health Medical Group

    1345 Smizer Mill Road, Suite 1100, 
    Fenton, MO 
     (1.2 miles away)
    Languages Spoken:
    English

    "Sarah Ludlow, MD, is a board certified family medicine physician who sees patients of all ages - from birth to their senior years. Currently, Dr. Ludlow is not accepting new patients. Dr. Ludlow earned her medical degree from St. George's Medical School in Grenada and completed her family medicine residency at the Creighton University School of Medicine in Omaha, Ne. She also holds advanced life support training in trauma, cardiac and pediatrics. Dr. Ludlow is a member of the American Medical Association and the American Academy of Family Physicians. She has special interest in connecting with her patients to match care and treatment specifically with their needs. ""My goal as a primary care provider is to help every patient make health care choices that best meet their individual needs."" Sarah Ludlow, MD". Dr. Ludlow is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Type 2 Diabetes (T2D), Premature Ovarian Failure, Hypertension, and Familial Hypertension.

    Michael Heavey
    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    Experienced in Diarrhea
    Gastroenterology | Internal Medicine

    SSM Health Medical Group

    1011 Bowles Ave., Suite 205, 
    Fenton, MO 
     (2.1 miles away)
    Languages Spoken:
    English

    "Dr. Heavey is board certified in internal medicine and in gastroenterology. He is a member of the American College of Gastroenterology and the American Gastroenterology Association. He earned his medical degree from Loyola University Chicago Stritch School of Medicine. He completed his internship, residency and a three-year gastroenterology fellowship at Loyola University Medical Center in Illinois. Dr. Heavey specializes in the diagnosis and treatment of diseases of the gastrointestinal tract and hepatobiliary systems. He is well trained to perform a wide variety of tests, including upper endoscopy, colonoscopy, ERCPs, and endoscopic ultrasound. He is on staff at SSM Health St. Clare Hospital - Fenton. ""People with gastrointestinal disease can have symptoms that affect their daily lives, sometimes significantly limiting activities that once were easy and enjoyable. It is my goal to use my training in state-of-the-art technology and techniques to provide you with comprehensive care while honoring the time-honored doctor-patient relationship to improve your quality of life."" - Michael Heavey, MD". Dr. Heavey is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Jaundice, Enlarged Liver, Familial Colorectal Cancer, Gastrectomy, and Endoscopy.

    Ruben Aymerich
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    SSM Health Medical Group

    1011 Bowles Ave., Suite 205, 
    Fenton, MO 
     (2.1 miles away)
    Languages Spoken:
    English

    "Ruben Aymerich, MD, board certified in gastroenterology, has been in practice in the St. Louis area for the past 10 years. As an advocate for colon cancer awareness, Dr. Aymerich emphasizes the importance of early detection and living a healthy lifestyle. ""Through appropriate screenings, colon cancer can be prevented,"" explains Dr. Aymerich. As a cycling enthusiast and triathlete, he emphasizes the importance of staying active. ""I tell my patients to live a healthy lifestyle, listen to your body, and ask your doctor if you need help."" Dr. Aymerich specializes in the diagnosis and treatment of gastrointestinal diseases, such as reflux, celiac disease, Crohn's disease and ulcerative colitis. He is well trained to perform a variety of tests, including Infrared Coagulation - for treatment of hemorrhoids, upper endoscopy, colonoscopy, and ERCPs. He is a member of the American College of Gastroenterology. He completed his gastroenterology fellowship training and residency training at Barnes-Jewish Hospital. He received his medical degree from the University of Puerto Rico School of Medicine.". Dr. Aymerich is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Morning Sickness, Gastric Dysmotility, Painful Swallowing, Endoscopy, and Colonoscopy.

    Learn about our expert tiers
    Felicia Isbell
    Nurse Practitioner
    Nurse Practitioner

    SLUCare Physician Group

    2315 Dougherty Ferry Road, Suite 205, 
    St. Louis, MO 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Felicia Isbell sees adult patients who have primary care, preventive care, and acute care needs. She specializes in chronic disease management and sick visits, educating patients to help them manage their illnesses and to prevent complications. Isbell is a nurse practitioner in the Department of Internal Medicine, Division of General Internal Medicine, at Saint Louis University School of Medicine. She is a member of the American Association of Nurse Practitioners and the St. Louis Nurses in Advanced Practice organization. Isbell also serves with a medical squadron in the U.S. Air Force Reserves. Ms. Isbell is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity, Osteoarthritis, Shingles, and Sciatica.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine
    714 Gravois Road, Suite 210, 
    Fenton, MO 
     (0.2 miles away)
    Languages Spoken:
    English

    Matthew Zimmerman is a primary care provider, practicing in Family Medicine in Fenton, Missouri. Dr. Zimmerman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Small Cell Lung Cancer (SCLC), Familial Pancreatic Cancer, and Breast Cancer.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    MedExpress Urgent Care Missouri P.C.

    1670 Fenpark Dr, 
    Fenton, MO 
     (1.2 miles away)
    Languages Spoken:
    English

    John Crowe is a primary care provider, practicing in Family Medicine in Fenton, Missouri. Dr. Crowe is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Atypical Pneumonia, Hospital-Acquired Pneumonia, Tracheitis, and Pneumonia.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine
    416 Old Smizer Mill Road, 
    Fenton, MO 
     (1.2 miles away)
    Languages Spoken:
    English

    Sri Kolli is a primary care provider, practicing in Internal Medicine in Fenton, Missouri. Dr. Kolli is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Type 2 Diabetes (T2D), Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, and Folate Deficiency.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    3555 Sunset Office Drive, Suite 107, 
    St. Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Sajid Ansari is a Gastroenterologist in St. Louis, Missouri. Dr. Ansari is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Ulcerative Colitis, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Geriatrics
    Experienced in Diarrhea
    Geriatrics

    Physician Groups LC

    3844 S Lindbergh Blvd Ste 120, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Mark Gunby is a primary care provider, practicing in Geriatrics in Saint Louis, Missouri. Dr. Gunby is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Childhood Iron Deficiency Anemia, Chronic Cough, Nephrosclerosis, and Renovascular Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Mercy Clinic East Communities

    12200 Weber Hill Rd Ste 100, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

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

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Physician Groups LC

    3844 S Lindbergh Blvd Ste 120, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Howard Kohn is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Kohn is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Breast Cancer, Type 2 Diabetes (T2D), Hypertension, and Familial Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Mercy Clinic East Communities

    12200 Weber Hill Rd Ste 100, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lorinna Shniter is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Shniter is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Cirrhosis.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Accentcare Hospice & Palliative Care Of Missouri

    3660 S Geyer Rd Ste 120, 
    Saint Louis, MO 
     (2.0 miles away)
    Languages Spoken:
    English

    Joseph Santiago is a primary care provider, practicing in Family Medicine in Saint Louis, Missouri. Dr. Santiago is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Relapsing Multiple Sclerosis (RMS), Vascular Dementia, Dementia, and Alzheimer's Disease.

    Experienced in Diarrhea
    Hospital Medicine | Internal Medicine
    Experienced in Diarrhea
    Hospital Medicine | Internal Medicine
    1015 Bowles Ave., Hospitalist Group, 
    Fenton, MO 
     (2.1 miles away)
    Languages Spoken:
    English

    Peter Angelin is a primary care provider, practicing in Internal Medicine and Hospital Medicine in Fenton, Missouri. Dr. Angelin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Type 2 Diabetes (T2D), Gangrene, Boils, Colonoscopy, and Endoscopy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    St. Anthony's Physician Organization

    9735 Landmark Parkway Dr Ste 200, 
    Saint Louis, MO 
     (2.6 miles away)
    Languages Spoken:
    English

    Panduranga Koya is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Koya is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Dementia, Peptic Ulcer, Necrosis, and Hypertensive Heart Disease.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    St. Anthony's Physician Organization

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

    Jhony Doumit is a Gastroenterologist in Saint Louis, Missouri. Dr. Doumit is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Angiodysplasia of the Colon, Lower Esophageal Ring, Benign Esophageal Stricture, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Midwest Medical Practitioners

    5000 Cedar Plaza Pkwy Ste 300, 
    Saint Louis, MO 
     (3.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Danish Jabbar is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Jabbar is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Pachydermoperiostosis, Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), and Hypertension.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Mercy Clinic Heart And Vascular-10012 Kennerly Suite 101

    10012 Kennerly Rd Ste 101, 
    Saint Louis, MO 
     (3.4 miles away)
    Languages Spoken:
    English

    James Dimitroff is a Gastroenterologist in Saint Louis, Missouri. Dr. Dimitroff is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Chronic Erosive Gastritis, Diverticular Disease, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    St. Anthony's Physician Organization

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

    Youssef Assioun is a Gastroenterologist in Saint Louis, Missouri. Dr. Assioun is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Enlarged Liver, Ascites, Viral Gastroenteritis, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    St. Anthony's Physician Organization

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

    Yazan Abdalla is a Gastroenterologist in Saint Louis, Missouri. Dr. Abdalla is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Benign Esophageal Stricture, Lower Esophageal Ring, Painful Swallowing, Gastrectomy, and Endoscopy.

    Showing 1-20 of 201

    Last Updated: 02/22/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

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