The 20 Best Ulcerative Colitis Doctors Near Me in Alton, IL

Find the Top Ulcerative Colitis Experts and Specialists

The 20 Best Ulcerative Colitis Doctors near Alton, IL

Last Updated: 02/22/2026

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MediFind found 10 doctor with experience in Ulcerative Colitis near Alton, IL. Of these, 9 are Experienced and 1 are Advanced.

Location
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10 providers found
    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    BJC Medical Group Primary Care At Alton

    2 Memorial Dr Ste 220, 
    Alton, IL 
     (4.6 miles away)
    Languages Spoken:
    English

    John Hoelscher is a primary care provider, practicing in Internal Medicine in Alton, Illinois. Dr. Hoelscher is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Cirrhosis, Xanthoma, Familial Combined Hyperlipidemia, Endoscopy, and Colonoscopy.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    BJC Medical Group ENT Specialists At Alton

    4 Memorial Dr Ste 230, 
    Alton, IL 
     (4.6 miles away)
    Languages Spoken:
    English

    Mark Klucka is a Gastroenterologist in Alton, Illinois. Dr. Klucka is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Gastric Dysmotility, Gastrectomy, and Endoscopy.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    BJC Medical Group ENT Specialists At Alton

    4 Memorial Dr Ste 230, 
    Alton, IL 
     (4.6 miles away)
    Languages Spoken:
    English

    Ahmad Karadaghy is a Gastroenterologist in Alton, Illinois. Dr. Karadaghy is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Gastrointestinal Bleeding, Esophagitis, Pancreatic Cancer, Colonoscopy, and Endoscopy.

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

    Mark M Allendoph MD

    111 E 4th St Ste 220, 
    Alton, IL 
     (4.6 miles away)
    Languages Spoken:
    English

    Mark Allendorph is a Gastroenterologist in Alton, Illinois. Dr. Allendorph is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Barrett Esophagus, Esophagitis, Ulcerative Colitis, and Painful Swallowing.

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

    Office

    1 Executive Ct Ste 1, 
    Bethalto, IL 
     (7.8 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Roseann Gager is a primary care provider, practicing in Family Medicine in Bethalto, Illinois. Dr. Gager has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Ulcerative Colitis
    Gastroenterology | Internal Medicine
    Experienced in Ulcerative Colitis
    Gastroenterology | Internal Medicine
    2870 Netherton Drive, 
    St. Louis, MO 
     (9.2 miles away)
    Languages Spoken:
    English

    Tariq Hassan is an Internal Medicine specialist and a Gastroenterologist in St. Louis, Missouri. Dr. Hassan is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Gastrointestinal Bleeding, Swallowing Difficulty, Painful Swallowing, Gastrostomy, and Gastrectomy.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology

    Office

    11155 Dunn Rd Ste 109N, 
    Saint Louis, MO 
     (11.0 miles away)
    Languages Spoken:
    English

    Olayiwola Olagbegi is a Gastroenterologist in Saint Louis, Missouri. Dr. Olagbegi is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Diverticular Disease, Ascites, Esophagitis, Colonoscopy, and Endoscopy.

    Experienced in Ulcerative Colitis
    Gastroenterology | Internal Medicine
    Experienced in Ulcerative Colitis
    Gastroenterology | Internal Medicine
    100 Village Square Shop Center, 
    Hazelwood, MO 
     (13.0 miles away)
    Languages Spoken:
    English

    Gary Koenig is an Internal Medicine specialist and a Gastroenterologist in Hazelwood, Missouri. Dr. Koenig is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy.

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

    Mercy Clinic Internal Medicine Hazelwood

    755 Dunn Rd Ste 110, 
    Hazelwood, MO 
     (13.0 miles away)
    Languages Spoken:
    English

    Philip Conway is a primary care provider, practicing in Internal Medicine in Hazelwood, Missouri. Dr. Conway is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Primary Lymphoma of the Brain, Non-Hodgkin Lymphoma, Movement Disorders, and Parkinson's Disease.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Biomedical Imaging LLC

    2044 Madison Ave Ste 28, 
    Granite City, IL 
     (13.3 miles away)
    Languages Spoken:
    English

    Muhammad Nyazee is a Gastroenterologist in Granite City, Illinois. Dr. Nyazee is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Acute Pancreatitis, Gastrointestinal Bleeding, Esophagitis, Gastrectomy, and Colonoscopy.

    Showing 1-10 of 10

    Last Updated: 02/22/2026

    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 Alton, 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 an Ulcerative Colitis doctor near Alton, 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 Ulcerative Colitis doctors near Alton, 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 Ulcerative Colitis doctors near Alton, 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 an Ulcerative Colitis doctor near Alton, 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 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 Alton, 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 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 Alton, IL?

    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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