The 20 Best Diarrhea Doctors Near Me in Maryville, IL

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 39 doctor with experience in Diarrhea near Maryville, IL. Of these, 33 are Experienced, 4 are Advanced and 1 are Distinguished.

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39 providers found
    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Office

    6812 State Route 162 Ste 204, 
    Maryville, IL 
     (1.3 miles away)
    Languages Spoken:
    English

    Mark Fedder is an Internal Medicine provider practicing medicine in Maryville, Illinois. Dr. Fedder 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 Painful Swallowing, Swallowing Difficulty, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Hshs Medical Group Family & Internal Medicine-Maryville

    2401 S Center St, 
    Maryville, IL 
     (1.0 miles away)
    Languages Spoken:
    English

    Paul Malcharek is a primary care provider, practicing in Family Medicine in Maryville, Illinois. Dr. Malcharek is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Coronary Artery Spasm.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Office

    6812 State Route 162 Ste 204, 
    Maryville, IL 
     (1.3 miles away)
    Languages Spoken:
    English

    Edmundo Rodriguez is a Gastroenterologist practicing medicine in Maryville, Illinois. Dr. Rodriguez 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 Diverticular Disease, Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Gastrectomy, and Endoscopy.

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

    Office

    20 Professional Park Dr Ste B, 
    Maryville, IL 
     (1.3 miles away)
    Languages Spoken:
    English

    Dean Schueler is a primary care provider, practicing in Family Medicine in Maryville, Illinois. Dr. Schueler is rated as an Experienced 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 Anemia, Low Sodium Level, Type 2 Diabetes (T2D), and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    6812 State Route 162 Ste 120, 
    Maryville, IL 
     (1.3 miles away)
    Languages Spoken:
    English

    Jason Barnett is a primary care provider, practicing in Family Medicine in Maryville, Illinois. Dr. Barnett is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, and Type 2 Diabetes (T2D).

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    MDVIP - Maryville, IL

    2928 N Center St # 159, 
    Maryville, IL 
     (1.3 miles away)
    Languages Spoken:
    English

    Tibor Kopjas is a primary care provider, practicing in Internal Medicine in Maryville, Illinois. Dr. Kopjas 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 High Cholesterol, Childhood Iron Deficiency Anemia, Hypertension, and Familial Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    6812 State Route 162 Ste 120, 
    Maryville, IL 
     (1.3 miles away)
    Languages Spoken:
    English

    Sophia Rostovtseva is a primary care provider, practicing in Family Medicine in Maryville, Illinois. Dr. Rostovtseva is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 80 other conditions, according to our data. Her clinical expertise encompasses Early Infantile Epileptic Encephalopathy, Culler Jones Syndrome, Manitoba Oculotrichoanal Syndrome, and Abruzzo-Erickson Syndrome.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    BJC Hospice

    2220 S State Route 157 Ste 300, 
    Glen Carbon, IL 
     (3.3 miles away)
    Languages Spoken:
    English

    David Harmon is a primary care provider, practicing in Family Medicine in Glen Carbon, Illinois. Dr. Harmon is rated as an Experienced 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 Alzheimer's Disease, Tracheitis, Chronic Obstructive Pulmonary Disease (COPD), and Dementia.

    Experienced in Diarrhea
    Pediatric Gastroenterology | Pediatrics
    Experienced in Diarrhea
    Pediatric Gastroenterology | Pediatrics

    SSM Health Cardinal Glennon Pediatrics Specialty Services - Edwardsville

    3403 Anderson Healthcare Drive, 
    Edwardsville, IL 
     (5.6 miles away)
    Languages Spoken:
    English

    Dr. Aniruddh Setya is a pediatric gastroenterologist who treats patients from birth to 21 years old. He specializes in inflammatory bowel disease (IBD), liver disease, cow milk protein allergy, and irritable bowel syndrome (IBS). His current research interests include IBD in college-age children. Dr. Setya's medical services also include hepatology, endoscopy, and nutrition consultations. He employs a holistic diet-based approach to treat common gastroenterology illnesses. Practicing medicine gives him the opportunity to contribute to societal well-being, bringing joy, relief, and hope to people when they need it most. Dr. Setya is an assistant professor with the Division of Pediatric Gastroenterology in the Department of Pediatrics at Saint Louis University School of Medicine. He is a member of the American Academy of Pediatrics, NASPGHAN, ISPGHAN, and Medical Council of India. Growing up, Dr. Setya wanted to be a movie star, pursuing theater and choreography until he entered medical school. Dr. Setya is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Gastroparesis, Cannabinoid Hyperemesis Syndrome (CHS), Crohn's Disease, and Macroamylasemia. Dr. Setya is board certified in American Board Of Pediatrics , American Board Of Pediatrics/Gastroenterology , Drug Enforcement Administration , Illinois Department Of Financial & Professional Regulation , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.

    Pediatric Gastroenterology | Pediatrics
    Pediatric Gastroenterology | Pediatrics

    SSM Health Cardinal Glennon Pediatrics Specialty Services - Edwardsville

    3403 Anderson Healthcare Drive, 
    Edwardsville, IL 
     (5.6 miles away)
    Languages Spoken:
    English

    Dr. Molly Barr is a pediatric gastroenterologist who treats patients from birth to 18 years old. She diagnoses and manages various gastrointestinal conditions, including constipation, encopresis, diarrhea, chronic abdominal pain, gut-brain interaction disorders, gastroesophageal reflux disease, eosinophilic esophagitis, celiac disease, inflammatory bowel disease, liver diseases, feeding and swallowing disorders, and growth/nutritional deficiencies. She performs endoscopies, colonoscopies, polypectomies, rectal suction biopsies, and anal Botox. Dr. Barr strives to help children feel better - physically, emotionally, socially - so they can return to playing, learning, and enjoying life. She partners with patients and their families, providing care that is effective, compassionate, and supportive, believing that trust, understanding, and kindness are as essential to healing as clinical expertise. Dr. Barr is an assistant professor with the Division of Pediatric Gastroenterology, Department of Pediatrics at Saint Louis University School of Medicine. She is a member of the North American Society of Pediatric Gastroenterology, Hepatology and Nutrition. Dr. Barr is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Eosinophilic Esophagitis, Encopresis, Endoscopy, and Diarrhea. Dr. Barr is board certified in Drug Enforcement Administration , Illinois Department Of Financial & Professional Regulation , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Office

    5023 N Illinois St, 
    Fairview Heights, IL 
     (9.1 miles away)
    Languages Spoken:
    English

    Shakeel Ahmed is a Gastroenterologist practicing medicine in Fairview Heights, Illinois. Dr. Ahmed is rated as an Advanced 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 Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Diverticular Disease, and Gastrointestinal Bleeding.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    VAMC St. Louis MO

    915 N Grand Blvd, 
    Saint Louis, MO 
     (15.0 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.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Shop N Save Pharmacy

    2122 Troy Rd, 
    Edwardsville, IL 
     (5.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Rawdon is a primary care provider, practicing in Family Medicine in Edwardsville, Illinois. Dr. Rawdon is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Vertigo, Chronic Cough, Familial Hypertension, Coronary Artery Bypass Graft (CABG), and Endoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    HSHS Medical Group Family Medicine Fairview Heights

    5 Ludwig Dr, 
    Fairview Heights, IL 
     (7.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Marc Mccleary is a primary care provider, practicing in Family Medicine in Fairview Heights, Illinois. Dr. Mccleary 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 Tracheoesophageal Fistula, Chronic Cough, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Office

    1418 Cross St Ste 250, 
    O Fallon, IL 
     (7.9 miles away)
    Languages Spoken:
    English

    Beatriz Ramos is a primary care provider, practicing in Internal Medicine in O Fallon, Illinois. Dr. Ramos is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    B J C Primary Care Shiloh 250

    1418 Cross St Ste 250, 
    O Fallon, IL 
     (7.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Jennifer Neville is a primary care provider, practicing in Internal Medicine in O Fallon, Illinois. She has been practicing medicine for over 17 years. Dr. Neville is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Nephrosclerosis, Renovascular Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Office

    331 Salem Pl Ste 100, 
    Fairview Heights, IL 
     (8.0 miles away)
    Languages Spoken:
    English

    Mounir Shenouda is a primary care provider, practicing in Internal Medicine in Fairview Heights, Illinois. Dr. Shenouda 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 Anemia, Breast Cancer, Hypertension, and Familial Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Infinity-Meds Urgent Care Services LLC

    1512 N Green Mount Rd, 
    O Fallon, IL 
     (8.6 miles away)
    Languages Spoken:
    English

    Katherine Lazet is a primary care provider, practicing in Family Medicine in O Fallon, Illinois. Dr. Lazet is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Ludwig Angina, Uvulitis, Shingles, and Periorbital Cellulitis.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Hshsmg-Msc St Elizabeth's

    3 Saint Elizabeth Blvd Ste 5000, 
    O Fallon, IL 
     (8.7 miles away)
    Languages Spoken:
    English

    Peter Kim is a Gastroenterologist practicing medicine in O Fallon, Illinois. Dr. Kim 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 Diverticular Disease, Swallowing Difficulty, Painful Swallowing, Endoscopy, and Gastrectomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Hshsmg-Msc St Elizabeth's

    3 Saint Elizabeth Blvd Ste 5000, 
    O Fallon, IL 
     (8.7 miles away)
    Languages Spoken:
    English

    Ismail Hader is a Gastroenterologist practicing medicine in O Fallon, Illinois. Dr. Hader is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hiatal Hernia, Anemia, Endoscopy, and Colonoscopy.

    Showing 1-20 of 39

    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 Maryville, IL?

    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 Maryville, IL?

    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 Maryville, IL?

    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 Maryville, IL?

    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 Maryville, IL?

    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 Maryville, IL?

    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 Maryville, IL?

    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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