The 20 Best Ulcerative Colitis Doctors Near Me in o fallon, MO

Find the Top Ulcerative Colitis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 44 doctor with experience in Ulcerative Colitis near o fallon, MO. Of these, 33 are Experienced, 5 are Elite and 2 are Advanced.

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44 providers found

    SSM Health Medical Group

    1101 Highway K, 
    O Fallon, MO 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Hemmersmeier is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Hemmersmeier is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Coronary Heart Disease, Sacroiliac Joint Disease, Hypothyroidism, and Endoscopy. Dr. Hemmersmeier is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hemmersmeier is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    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 Ulcerative Colitis. 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 Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    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
    Accepting New Patients

    Joseph Rodemann is a Gastroenterologist practicing medicine in Lake St. Louis, Missouri. Dr. Rodemann is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Morning Sickness, Esophagitis, Painful Swallowing, Endoscopy, and Colonoscopy. Dr. Rodemann 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. Rodemann is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Ulcerative Colitis
    Experienced in Ulcerative Colitis
    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 Ulcerative Colitis. 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.

    Physician Assistant
    Physician Assistant
    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
    Offers Telehealth

    Marisa Christopher is a Physician Assistant practicing medicine in Lake St. Louis, Missouri. Christopher, PA is rated as undefined provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Ulcerative Colitis, Cirrhosis, and Hemorrhoids. Christopher, PA is board certified in Missouri State Board Of Registration and National Comm On Certif Of Physician Assistants. Christopher, PA is currently accepting new patients.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    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 Advanced provider by MediFind in the treatment of Ulcerative Colitis. 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 Ulcerative Colitis
    Pediatric Gastroenterology | Pediatrics
    Experienced in Ulcerative Colitis
    Pediatric Gastroenterology | Pediatrics
    Referral may be required

    SSM Health Cardinal Glennon Pediatrics Specialty Services

    301 Caledonia Parkway, Suite 220, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Helen Pappa is a Pediatric Gastroenterologist and a Pediatrics provider practicing medicine in O Fallon, Missouri. Dr. Pappa is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Malnutrition, Ulcerative Colitis, and Endoscopy. Dr. Pappa is board certified in American Board Of Pediatrics , Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Pediatrics/Gastroenterology , Illinois Department Of Financial & Professional Regulation , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Pappa is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Office

    2223 Technology Dr Ste 35, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Alison Ball is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Ball is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Ulcerative Colitis, Primary Orthostatic Tremor, Sitosterolemia, and Familial Hypertriglyceridemia. Dr. Ball is currently accepting new patients.

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

    Office

    5551 Winghaven Blvd Ste 250, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    David Lotsoff is a Gastroenterologist practicing medicine in O Fallon, Missouri. Dr. Lotsoff is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Lower Esophageal Ring, Benign Esophageal Stricture, Painful Swallowing, Gastrectomy, and Gastrostomy. Dr. Lotsoff is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    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 Ulcerative Colitis. 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.

    Pediatric Gastroenterology | Pediatrics
    Pediatric Gastroenterology | Pediatrics
    Referral may be required

    SSM Health Cardinal Glennon Pediatrics Specialty Services

    301 Caledonia Parkway, Suite 220, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Simon is a Pediatric Gastroenterologist and a Pediatrics provider practicing medicine in O Fallon, Missouri. Dr. Simon is rated as undefined provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Ulcerative Colitis and Endoscopy. Dr. Simon is board certified in American Board Of Pediatrics , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Illinois Department Of Financial & Professional Regulation , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Simon is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Office

    9426 Phoenix Village Pkwy, 
    O Fallon, MO 
     (4.7 miles away)
    Languages Spoken:
    English

    Beth Zimmer is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Zimmer is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Ulcerative Colitis, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    SSM Health Medical Group

    6994 Mexico Road, 
    St. Peters, MO 
     (5.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joy Stowell is a primary care provider, practicing in Family Medicine in St. Peters, Missouri. Dr. Stowell is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Ringworm, Atrial Tachycardia, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), and Paroxysmal Supraventricular Tachycardia (PSVT). Dr. Stowell is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Stowell is currently accepting new patients.

    Family Medicine
    Family Medicine

    SSM Health Medical Group

    1475 Kisker Road, Suite 200, 
    St. Charles, MO 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Thomas Lord is a primary care provider, practicing in Family Medicine in St. Charles, Missouri. Dr. Lord is rated as undefined provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Type 2 Diabetes (T2D), Familial Hypertension, and Endoscopy. Dr. Lord is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Lord is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    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 Ulcerative Colitis. 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 Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    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 Ulcerative Colitis. 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 Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Office

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

    James Petersen is a Gastroenterologist practicing medicine in Lake Saint Louis, Missouri. Dr. Petersen is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Esophagitis, Familial Adenomatous Polyposis, Viral Gastroenteritis, and Colitis.

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

    Barnes-Jewish St. Peters Hospital

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

    Mei Huang is a Gastroenterologist practicing medicine in Saint Peters, Missouri. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Esophagitis, Colonoscopy, and Gastrectomy. Dr. Huang is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Office

    2 Progress Point Pkwy, 
    O Fallon, MO 
     (6.6 miles away)
    Languages Spoken:
    English

    David Fouts is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Fouts is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Ogilvie Syndrome, Lymphangitis, Urinary Tract Infection in Children, and Urinary Tract Infection (UTI).

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    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 Ulcerative Colitis. 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.

    Showing 1-20 of 44

    Last Updated: 09/26/2026

    What is the definition of Ulcerative Colitis?

    Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) characterized by the development of ulcers in the lining of the digestive tract, which most often affect the colon and rectum. While ulcerative colitis can occur at any age, it most frequently appears between the ages of 15 and 30, or after the age of 60. There are several types of ulcerative colitis that are categorized by the area of the digestive tract affected by the disease, such as ulcerative proctitis (inflammation of area closest to the rectum), proctosigmoiditis (inflammation of the sigmoid colon and rectum), left-sided colitis (inflammation of descending colon, sigmoid colon, and rectum), pancolitis (inflammation of the entire colon), and a rare form of ulcerative colitis known as acute severe ulcerative colitis (severe inflammation of entire colon). Ulcerative colitis can also affect other areas of the body, causing inflammation of the skin, eyes, liver, joints, and back.

    When should I see an Ulcerative Colitis 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 an Ulcerative Colitis 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 Ulcerative Colitis 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 Ulcerative Colitis 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 an Ulcerative Colitis 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 Ulcerative Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Ulcerative 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 an Ulcerative Colitis 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 Ulcerative 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 Ulcerative 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 Ulcerative Colitis doctors near o fallon, MO?

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

    Look for the filter feature on the left-side of the Ulcerative 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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