The 20 Best Collagenous Colitis Doctors Near Me in ballwin, MO

Find the Top Collagenous Colitis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 29 doctor with experience in Collagenous Colitis near ballwin, MO. Of these, 26 are Experienced and 3 are Advanced.

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29 providers found
    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Mercy Clinic Internal Medicine

    15945 Clayton Rd Ste 320, 
    Ballwin, MO 
     (0.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Margaret Edwards is a primary care provider, practicing in Internal Medicine in Ballwin, Missouri. Dr. Edwards is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Sciatica. Dr. Edwards is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Office

    1000 Des Peres Rd Ste 310, 
    Saint Louis, MO 
     (6.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Hamm is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Hamm is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma. Dr. Hamm is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    SSM Health Medical Group

    1011 Bowles Ave., Suite 205, 
    Fenton, MO 
     (6.0 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Ruben Aymerich is a Gastroenterologist practicing medicine in Fenton, Missouri. Dr. Aymerich is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Morning Sickness, Gastric Dysmotility, Swallowing Difficulty, Endoscopy, and Colonoscopy. Dr. Aymerich 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. Aymerich is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
     (7.9 miles away)
    Languages Spoken:
    English, Hindi, Punjabi
    Accepting New Patients

    Aman Singh is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Angiodysplasia of the Colon, Heartburn, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Singh is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
     (7.9 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 an Advanced provider by MediFind in the treatment of Collagenous Colitis. 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.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Endoscopy Center Of St Louis-West County

    12990 Manchester Rd Ste 1, 
    Saint Louis, MO 
     (6.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Katie Schroeder is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Schroeder is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy. Dr. Schroeder is currently accepting new patients.

    Experienced in Collagenous Colitis
    Experienced in Collagenous Colitis
    Referral may be required

    Missouri Baptist Medical Center

    3015 N Ballas Rd, 
    Saint Louis, MO 
     (6.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammad Tarik-Firozi is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Tarik-Firozi is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Esophageal Varices, Lactose Intolerance, Gastrectomy, and Endoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Office

    11525 Olde Cabin Rd Ste 101, 
    Saint Louis, MO 
     (6.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Erik Thyssen is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Thyssen is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Thyssen is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Mercy Clinic Digestive Disease

    615 S New Ballas Rd Ste 1200, 
    Saint Louis, MO 
     (6.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Paul Buse is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Buse is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Crohn's Disease, Barrett Esophagus, Colonoscopy, and Endoscopy. Dr. Buse is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Mercy Clinic Digestive Disease

    615 S New Ballas Rd Ste 1200, 
    Saint Louis, MO 
     (6.7 miles away)
    Languages Spoken:
    English, Hindi, Telugu
    Accepting New Patients

    Kiranmaye Tiriveedhi is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Tiriveedhi is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Esophagitis, Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Endoscopy, and Colonoscopy. Dr. Tiriveedhi is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Office

    621 S New Ballas Rd Ste 399A, 
    Saint Louis, MO 
     (6.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Justin Starke is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Starke is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, Colorectal Cancer, Familial Colorectal Cancer, and Marginal Zone Lymphoma (MZL). Dr. Starke is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Mercy Clinic Digestive Disease

    615 S New Ballas Rd Ste 1200, 
    Saint Louis, MO 
     (6.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Laura Ulmer is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Ulmer is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Colitis, Viral Gastroenteritis, Diverticular Disease, and Gastrointestinal Bleeding. Dr. Ulmer is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Mercy Clinic Digestive Disease

    615 S New Ballas Rd Ste 1200, 
    Saint Louis, MO 
     (6.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Parul Gor is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Gor is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Irritable Bowel Syndrome (IBS), Colitis, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Gastrectomy. Dr. Gor is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Mercy Clinic Ibd And Gastroenterology Center

    1001 S Kirkwood Rd Ste 100, 
    Saint Louis, MO 
     (7.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kayci Huff-Hardy is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Huff-Hardy is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Endoscopy, and Gastrectomy. Dr. Huff-Hardy is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Washington University

    1044 N Mason Rd, 
    Creve Coeur, MO 
     (7.2 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Richard Rood is a Gastroenterologist practicing medicine in Creve Coeur, Missouri. He has been practicing medicine for over 44 years. Dr. Rood is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Colitis, Colonoscopy, and Endoscopy. Dr. Rood is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
     (7.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Benjamin Root is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Root is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Colonoscopy. Dr. Root is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
     (7.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nikhil Banerjee is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Banerjee is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Chronic Erosive Gastritis, Diverticular Disease, Endoscopy, and Colonoscopy. Dr. Banerjee is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology | Hepatology
    Experienced in Collagenous Colitis
    Gastroenterology | Hepatology
    Referral may be required

    SSM Health Medical Group

    12277 DePaul Drive, Suite 500, 
    Bridgeton, MO 
     (12.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Patrick Mcdonough is a Gastroenterologist and a Hepatologist practicing medicine in Bridgeton, Missouri. Dr. Mcdonough is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Ascites, Painful Swallowing, Gastrostomy, and Gastrectomy. Dr. Mcdonough is board certified in Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration. Dr. Mcdonough is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    SSM Health Medical Group

    12277 DePaul Drive, Suite 500, 
    Bridgeton, MO 
     (12.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Yezaz Ghouri is a Gastroenterologist practicing medicine in Bridgeton, Missouri. Dr. Ghouri is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Crohn's Disease, Viral Gastroenteritis, Endoscopy, and Colonoscopy. Dr. Ghouri 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. Ghouri is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    1035 Bellevue Ave, 407, 
    Saint Louis, MO 
     (13.1 miles away)
    Languages Spoken:
    English

    Neil Frederickson is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Frederickson is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Esophagitis, Collagenous Colitis, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.

    Showing 1-20 of 29

    Last Updated: 09/26/2026

    What is the definition of Collagenous Colitis?

    Collagenous colitis is a type of inflammatory bowel disease that affects the colon. It is a form of microscopic colitis, which causes chronic diarrhea. In all forms of microscopic colitis, the colon appears normal or almost normal on colonoscopy, but the inflammation is visible when a biopsy of the colon is examined under a microscope (hence its name). People with this disease usually have between four and nine watery bowel movements per day, but in rare cases may have more than fifteen. Various other symptoms relating to the gastrointestinal system or other body symptoms may also be present. The cause of Collagenous colitis is not known but it is thought to be multifactorial. This means that both genetic and environmental factors may interact to cause a person to develop the disease. The extent to which genes play a role is unclear, but familial cases have been described. Certain medications, such as NSAIDS and proton pump inhibitors, have been reported to cause or trigger the disease in some people. However, strong evidence directly linking these medications to the disease is still lacking.

    When should I see a Collagenous Colitis doctor near ballwin, 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 Collagenous Colitis doctor near ballwin, 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 Collagenous Colitis doctors near ballwin, 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 Collagenous Colitis doctors near ballwin, 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 Collagenous Colitis doctor near ballwin, 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 Collagenous Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Collagenous Colitis 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 Collagenous Colitis doctor near ballwin, 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 Collagenous Colitis 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 Collagenous Colitis 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 Collagenous Colitis doctors near ballwin, MO?

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

    Look for the filter feature on the left-side of the Collagenous Colitis 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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