The 20 Best Collagenous Colitis Doctors Near Me in Green Bay, WI

Find the Top Collagenous Colitis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 11 doctor with experience in Collagenous Colitis near Green Bay, WI. Of these, 8 are Experienced and 3 are Advanced.

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11 providers found
    Experienced in Collagenous Colitis

    Dr. James W. Gast
    Family Medicine
    Experienced in Collagenous Colitis

    Dr. James W. Gast
    Family Medicine
    Before you request

    James Gast, MD

    1630 Commanche Ave, 
    Green Bay, WI 
     (4.6 miles away)
    920-430-4700
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    James Gast is a primary care provider, practicing in Family Medicine in Green Bay, Wisconsin. Dr. Gast is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 259 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Familial Hypertension, Hypertension, and Intrauterine Device Insertion. Dr. Gast is currently accepting new patients.

    Advanced in Collagenous Colitis

    Dr. David A. Stampfl
    Gastroenterology
    Advanced in Collagenous Colitis

    Dr. David A. Stampfl
    Gastroenterology
    Referral may be required

    David Stampfl, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    920-431-5650
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    David Stampfl is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Stampfl is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Painful Swallowing, Swallowing Difficulty, Lower Esophageal Ring, Endoscopy, and Gastrostomy. Dr. Stampfl is currently accepting new patients.

    Advanced in Collagenous Colitis

    Dr. Kanwar S. Arora
    Internal Medicine
    Advanced in Collagenous Colitis

    Dr. Kanwar S. Arora
    Internal Medicine

    Kanwar Arora, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    920-431-5650
    Languages Spoken:
    English, Hindi, Punjabi, Spanish, Urdu
    See accepted insurances
    Accepting New Patients

    Kanwar Arora is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Arora is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Painful Swallowing, Swallowing Difficulty, Lower Esophageal Ring, Benign Esophageal Stricture, and Endoscopy. Dr. Arora is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Collagenous Colitis

    Dr. David A. Knuff
    Gastroenterology
    Advanced in Collagenous Colitis

    Dr. David A. Knuff
    Gastroenterology
    Referral may be required

    David Knuff, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    920-431-5650
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    David Knuff is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Knuff is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Painful Swallowing, Swallowing Difficulty, Bile Duct Obstruction, Gastrectomy, and Endoscopy. Dr. Knuff is currently accepting new patients.

    Experienced in Collagenous Colitis

    Dr. Mark A. Laukka
    Gastroenterology
    Experienced in Collagenous Colitis

    Dr. Mark A. Laukka
    Gastroenterology
    Referral may be required

    Prevea Health

    1821 S Webster Ave, 
    Green Bay, WI 
     (1.8 miles away)
    920-496-4700
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Mark Laukka is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Laukka is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Alcoholic Cirrhosis, Crohn's Disease, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy. Dr. Laukka is currently accepting new patients.

    Experienced in Collagenous Colitis

    Dr. Chaitanya M. Pant
    Gastroenterology
    Experienced in Collagenous Colitis

    Dr. Chaitanya M. Pant
    Gastroenterology
    Referral may be required

    HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    920-496-4700
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Chaitanya Pant is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Pant is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Childhood Pancreatitis, Necrotizing Enterocolitis, Acute Pancreatitis, Endoscopy, and Gastrectomy. Dr. Pant is currently accepting new patients.

    Experienced in Collagenous Colitis

    Dr. Nadeem A. Siddiqui
    Gastroenterology
    Experienced in Collagenous Colitis

    Dr. Nadeem A. Siddiqui
    Gastroenterology
    Referral may be required

    HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    920-429-1700
    Languages Spoken:
    English, Hindi, Punjabi, Urdu
    See accepted insurances
    Accepting New Patients

    Nadeem Siddiqui is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Siddiqui is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Esophagitis, Chronic Erosive Gastritis, Hepatitis, Gastrectomy, and Colonoscopy. Dr. Siddiqui is currently accepting new patients.

    Experienced in Collagenous Colitis

    Dr. Roland B. Christian
    Gastroenterology
    Experienced in Collagenous Colitis

    Dr. Roland B. Christian
    Gastroenterology
    Referral may be required

    St Vincent Hospital-Hospital Sisters-Third Order Of St Francis

    1715 Dousman St, 
    Green Bay, WI 
     (3.0 miles away)
    920-429-1700
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Roland Christian is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Christian is rated as an Experienced 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 Crohn's Disease, Angiodysplasia of the Colon, Gallstones, Endoscopy, and Gastrectomy. Dr. Christian is currently accepting new patients.

    Experienced in Collagenous Colitis

    Dr. Matthew B. Kaspar
    Gastroenterology
    Experienced in Collagenous Colitis

    Dr. Matthew B. Kaspar
    Gastroenterology
    Referral may be required

    Matthew Kaspar, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    920-431-5650
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Matthew Kaspar is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Kaspar 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 Familial Adenomatous Polyposis, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Colonoscopy. Dr. Kaspar is currently accepting new patients.

    Experienced in Collagenous Colitis

    Dr. Swati Chaudhari
    Gastroenterology
    Experienced in Collagenous Colitis

    Dr. Swati Chaudhari
    Gastroenterology
    Referral may be required

    Swati Chaudhari, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    920-431-5650
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Swati Chaudhari is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Chaudhari is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Hemorrhoids, Benign Esophageal Stricture, Lower Esophageal Ring, Ulcerative Colitis, and Endoscopy. Dr. Chaudhari is currently accepting new patients.

    Experienced in Collagenous Colitis

    Dr. Chinyere M. Nwosu
    Gastroenterology
    Experienced in Collagenous Colitis

    Dr. Chinyere M. Nwosu
    Gastroenterology
    Referral may be required

    BayCare Aurora LLC

    2845 Greenbrier Rd, 
    Green Bay, WI 
     (4.5 miles away)
    920-288-8100
    Languages Spoken:
    English, Spanish
    See accepted insurances
    Accepting New Patients

    Chinyere Nwosu is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Nwosu is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Macroamylasemia, Nonalcoholic Steatohepatitis (NASH), Visceromegaly, Endoscopy, and Gastrectomy. Dr. Nwosu is currently accepting new patients.

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    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 Green Bay, WI?

    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 Green Bay, WI?

    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 do I find the best Collagenous Colitis doctor near Green Bay, WI?

    You can find a Collagenous Colitis doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Collagenous Colitis doctors near Green Bay, WI?

    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 Green Bay, WI?

    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 Green Bay, WI?

    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 Green Bay, WI?

    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 Green Bay, WI?

    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 

    Read more about our Content Policy. 

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