The 20 Best Bacterial Gastroenteritis Doctors Near Me in o fallon, MO

Find the Top Bacterial Gastroenteritis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 41 doctor with experience in Bacterial Gastroenteritis near o fallon, MO. Of these, 37 are Experienced and 4 are Advanced.

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41 providers found
    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Referral may be required

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English, Punjabi, Urdu
    Accepting New Patients
    Offers Telehealth

    Syed Tariq is a Gastroenterologist practicing medicine in Lake St. Louis, Missouri. Dr. Tariq is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Crohn's Disease, Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy. Dr. Tariq 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. Tariq is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Experienced in Bacterial Gastroenteritis
    Referral may be required

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Elizabeth Marsicano is a Gastroenterologist practicing medicine in Lake St. Louis, Missouri. Dr. Marsicano is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Ascites, Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy. Dr. Marsicano is board certified in American Board Of Internal Medicine/Gastroenterology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Marsicano is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    100 Medical Plaza, Suite 2104, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Asm Chowdhury is a primary care provider, practicing in Internal Medicine in Lake St. Louis, Missouri. Dr. Chowdhury is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His clinical expertise encompasses Sepsis, Pseudomembranous Colitis, Necrotizing Enterocolitis, Endoscopy, and Ureteroscopy. Dr. Chowdhury 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. Chowdhury is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Bacterial Gastroenteritis
    Infectious Disease
    Experienced in Bacterial Gastroenteritis
    Infectious Disease
    Referral may be required

    Premier Infectious Disease Consultants-O'Fallon

    20 Progress Point Pkwy Ste 206, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English, Farsi, French
    Accepting New Patients

    David Janssen is an Infectious Disease provider practicing medicine in O Fallon, Missouri. Dr. Janssen is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Infectious Arthritis, Methicillin-Resistant Staphylococcus Aureus (MRSA), Lymphangitis, and Strep Throat. Dr. Janssen is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Infectious Disease
    Experienced in Bacterial Gastroenteritis
    Infectious Disease
    Referral may be required

    Premier Infectious Disease Consultants-O'Fallon

    20 Progress Point Pkwy Ste 206, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Rafael De La Cruz is an Infectious Disease provider practicing medicine in O Fallon, Missouri. Dr. De La Cruz is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis, Osteomyelitis in Children, Cellulitis, and Infectious Arthritis. Dr. De La Cruz is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Referral may be required

    Office

    2 Progress Point Pkwy Ste 206, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English, Arabic
    Accepting New Patients

    Chaudhary Khan is a Gastroenterologist practicing medicine in O Fallon, Missouri. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Esophagitis, Heartburn, Gastrectomy, and Colonoscopy. Dr. Khan is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Referral may be required

    Premier Infectious Disease Consultants-O'Fallon

    20 Progress Point Pkwy Ste 206, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English, Hindi, Punjabi, Urdu
    Accepting New Patients

    Qaiser Jawaid is a Gastroenterologist practicing medicine in O Fallon, Missouri. Dr. Jawaid is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Diverticular Disease, Menetrier Disease, Endoscopy, and Gastrectomy. Dr. Jawaid is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Office

    200 Brevco Plz Ste 208, 
    Lake Saint Louis, MO 
     (5.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Zerega is a primary care provider, practicing in Internal Medicine in Lake Saint Louis, Missouri. Dr. Zerega is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Collagenous Colitis, Colitis, Diverticular Disease, Gastrostomy, and Endoscopy. Dr. Zerega is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Referral may be required

    Office

    200 Brevco Plz Ste 208, 
    Lake Saint Louis, MO 
     (5.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Cleary is a Gastroenterologist practicing medicine in Lake Saint Louis, Missouri. Dr. Cleary is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Gardner Syndrome, Turcot Syndrome, Crohn's Disease, Gastrectomy, and Endoscopy. Dr. Cleary is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Office

    10 Hospital Dr, 
    Saint Peters, MO 
     (6.5 miles away)
    Languages Spoken:
    English

    April Thebeau is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Thebeau is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Colitis, Urinary Tract Infection in Children, Colonoscopy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Hospital Based Practice

    10 Hospital Dr, 
    Saint Peters, MO 
     (6.5 miles away)
    Languages Spoken:
    English

    John Hartweger is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Hartweger is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Infectious Arthritis, Pneumonia, Multisystem Inflammatory Syndrome in Children (MIS-C), Endoscopy, and Colonoscopy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Barnes-Jewish St. Peters Hospital

    10 Hospital Dr, 
    Saint Peters, MO 
     (6.5 miles away)
    Languages Spoken:
    English

    Christopher Hill is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Hill is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Alzheimer's Disease, Sepsis, Gastrostomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    2536 S. Old Highway 94, Suite 224, 
    St. Charles, MO 
     (9.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Neal Holzum is a primary care provider, practicing in Internal Medicine in St. Charles, Missouri. Dr. Holzum is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Osteoarthritis, Cellulitis, Visceromegaly, Colonoscopy, and Ureteroscopy. Dr. Holzum 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. Holzum is currently accepting new patients.

    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Referral may be required
    330 First Capitol Drive, Suite 260, 
    St. Charles, MO 
     (11.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Shephali Wulff is an Infectious Disease provider practicing medicine in St. Charles, Missouri. Dr. Wulff is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Osteomyelitis, Lymphangitis, Strep Throat, and Infective Endocarditis. Dr. Wulff 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/Infectious Disease . Dr. Wulff is currently accepting new patients.

    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Referral may be required
    330 First Capitol Drive, Suite 260, 
    St. Charles, MO 
     (11.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Manokiran Patri is an Infectious Disease provider practicing medicine in St. Charles, Missouri. Dr. Patri is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Osteomyelitis, Infectious Arthritis, Lymphangitis, and Osteomyelitis in Children. Dr. Patri is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Illinois Department Of Financial & Professional Regulation , Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Internal Medicine/Infectious Disease . Dr. Patri is currently accepting new patients.

    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Referral may be required
    330 First Capitol Drive, Suite 260, 
    St. Charles, MO 
     (11.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ali Etemady-Deylamy is an Infectious Disease provider practicing medicine in St. Charles, Missouri. Dr. Etemady-Deylamy is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Strep Throat, Infective Endocarditis, Osteomyelitis, and Methicillin-Resistant Staphylococcus Aureus (MRSA). Dr. Etemady-Deylamy is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, Drug Enforcement Administration , American Osteopathic Board Of Internal Medicine , and American Osteopathic Board IM (Infectious Disease) . Dr. Etemady-Deylamy is currently accepting new patients.

    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Advanced in Bacterial Gastroenteritis
    Infectious Disease
    Referral may be required
    330 First Capitol Drive, Suite 260, 
    St. Charles, MO 
     (11.7 miles away)
    Languages Spoken:
    English, Malay, Mandarin
    Accepting New Patients

    Lee Yong is an Infectious Disease provider practicing medicine in St. Charles, Missouri. Dr. Yong is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis, Lymphangitis, Cellulitis, and Infective Endocarditis. Dr. Yong is board certified in American Board Of Internal Medicine/Infectious Disease , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Yong is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Referral may be required

    SSM Health Medical Group

    400 First Capitol Drive, 
    St. Charles, MO 
     (13.1 miles away)
    Languages Spoken:
    English, Romanian
    Accepting New Patients

    Marin Marcu is a Gastroenterologist practicing medicine in St. Charles, Missouri. Dr. Marcu is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Benign Esophageal Stricture, Lower Esophageal Ring, Menetrier Disease, Gastrectomy, and Colonoscopy. Dr. Marcu 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. Marcu is currently accepting new patients.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Referral may be required

    Gateway Gastroenterology Inc.

    121 St Luke’s Center Drive Ste 406, 
    Chesterfield, MO 
     (14.3 miles away)
    Languages Spoken:
    English

    Jason Haas is a Gastroenterologist practicing medicine in Chesterfield, Missouri. Dr. Haas is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Haas is board certified in Gastroenterology.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    SSM Health Medical Group

    12255 DePaul Drive, Suite 600, 
    Bridgeton, MO 
     (14.8 miles away)
    Languages Spoken:
    English, Italian
    Accepting New Patients

    Raad Roubey is a primary care provider, practicing in Internal Medicine in Bridgeton, Missouri. Dr. Roubey is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Sepsis, Hip Replacement, and Gastrostomy. Dr. Roubey is board certified in Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration. Dr. Roubey is currently accepting new patients.

    Showing 1-20 of 41

    Last Updated: 09/26/2026

    What is the definition of Bacterial Gastroenteritis?

    Bacterial gastroenteritis occurs when there is a bacterial infection of your stomach or intestines.

    When should I see a Bacterial Gastroenteritis doctor near o fallon, 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 Bacterial Gastroenteritis doctor near o fallon, 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 Bacterial Gastroenteritis doctors near o fallon, 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 Bacterial Gastroenteritis doctors near o fallon, 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 Bacterial Gastroenteritis doctor near o fallon, 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 Bacterial Gastroenteritis doctor search results page. 

    Why is it important to get a second opinion from a different Bacterial Gastroenteritis 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 Bacterial Gastroenteritis doctor near o fallon, 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 Bacterial Gastroenteritis 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 Bacterial Gastroenteritis 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 Bacterial Gastroenteritis doctors near o fallon, MO?

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

    Look for the filter feature on the left-side of the Bacterial Gastroenteritis 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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