The 20 Best Gastrointestinal Bleeding Doctors Near Me in Green Bay, WI

Find the Top Gastrointestinal Bleeding Experts and Specialists

The 20 Best Gastrointestinal Bleeding Doctors near Green Bay, WI

Last Updated: 02/22/2026

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MediFind found 32 doctor with experience in Gastrointestinal Bleeding near Green Bay, WI. Of these, 28 are Experienced and 4 are Advanced.

Location
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32 providers found
    Bogdan Cristescu
    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    Aurora Gastroenterology

    2845 Greenbrier Rd 2nd Fl, 
    Green Bay, WI 
     (6.4 miles away)
    Languages Spoken:
    English, Romanian

    Bogdan Cristescu is a Gastroenterologist in Green Bay, Wisconsin. Dr. Cristescu is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Benign Esophageal Stricture, Lower Esophageal Ring, Endoscopy, and Gastrectomy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Chaitanya Pant is a Gastroenterologist in Green Bay, Wisconsin. Dr. Pant is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Childhood Pancreatitis, Necrotizing Enterocolitis, Acute Pancreatitis, Endoscopy, and Gastrectomy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    David Stampfl, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    David Stampfl is a Gastroenterologist in Green Bay, Wisconsin. Dr. Stampfl is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Lower Esophageal Ring, Endoscopy, and Gastrostomy.

    Learn about our expert tiers
    Advanced in Gastrointestinal Bleeding
    Family Medicine
    Advanced in Gastrointestinal Bleeding
    Family Medicine

    James Gast, MD

    1630 Commanche Ave, 
    Green Bay, WI 
     (4.6 miles away)
    Languages Spoken:
    English

    James Gast is a primary care provider, practicing in Family Medicine in Green Bay, Wisconsin. Dr. Gast is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are High Cholesterol, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Intrauterine Device Insertion.

    John J. Bosco
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Aurora Gastroenterology

    2845 Greenbrier Rd 2nd Fl, 
    Green Bay, WI 
     (6.4 miles away)
    Languages Spoken:
    English

    John Bosco is a Gastroenterologist in Green Bay, Wisconsin. Dr. Bosco is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Choledocholithiasis, Gastroparesis, Pancreatic Cancer, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Bellin Hospital

    744 S Webster Ave, 
    Green Bay, WI 
     (0.8 miles away)
    Languages Spoken:
    English

    Mazen Al Khalisy is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Al Khalisy is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Gastrointestinal Bleeding, Pneumonia, Endoscopy, and Ureteroscopy.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Bellin Hospital

    744 S Webster Ave, 
    Green Bay, WI 
     (0.8 miles away)
    Languages Spoken:
    English

    William Wittman is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Wittman is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Hypothyroidism, Obesity in Children, Glucocorticoid-Remediable Aldosteronism, and Endoscopy.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Bellin Hospital

    744 S Webster Ave, 
    Green Bay, WI 
     (0.8 miles away)
    Languages Spoken:
    English

    Yongsub Choi is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Choi is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Ventricular Fibrillation and Gastrointestinal Bleeding.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Bellin Hospital

    744 S Webster Ave, 
    Green Bay, WI 
     (0.8 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Babak Serushan is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Serushan has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Transient Ischemic Attack (TIA), Peptic Ulcer, Apoplexy, Sepsis, and Endoscopy.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Bellin Hospital

    744 S Webster Ave, 
    Green Bay, WI 
     (0.8 miles away)
    Languages Spoken:
    English

    John Macdonald is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Macdonald is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Pneumonia, Sepsis, Hospital-Acquired Pneumonia, Atypical Pneumonia, and Endoscopy.

    Experienced in Gastrointestinal Bleeding
    Hospital Medicine
    Experienced in Gastrointestinal Bleeding
    Hospital Medicine

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

    835 S Van Buren St, 
    Green Bay, WI 
     (0.8 miles away)
    Languages Spoken:
    English

    David Rentmeester is a primary care provider, practicing in Hospital Medicine in Green Bay, Wisconsin. Dr. Rentmeester is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Stroke, Encephalitis Lethargica, Sepsis, Endoscopy, and Gastrostomy.

    Experienced in Gastrointestinal Bleeding
    Hospital Medicine
    Experienced in Gastrointestinal Bleeding
    Hospital Medicine

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

    835 S Van Buren St, 
    Green Bay, WI 
     (0.8 miles away)
    Languages Spoken:
    English

    Alin Sora is a primary care provider, practicing in Hospital Medicine in Green Bay, Wisconsin. Dr. Sora is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Stroke, Transient Ischemic Attack (TIA), Endoscopy, and Transmyocardial Revascularization.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Prevea Health

    1821 S Webster Ave, 
    Green Bay, WI 
     (1.8 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Annamarie Lim is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Lim has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Sepsis, Peptic Ulcer, Necrosis, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Nadeem Siddiqui is a Gastroenterologist in Green Bay, Wisconsin. Dr. Siddiqui is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Esophagitis, Chronic Erosive Gastritis, Hepatitis, Gastrectomy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Hospital Medicine
    Experienced in Gastrointestinal Bleeding
    Hospital Medicine

    HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Janet Johnson is a primary care provider, practicing in Hospital Medicine in Green Bay, Wisconsin. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Apoplexy, Heart Attack, Sepsis, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

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

    1715 Dousman St, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Mark Laukka is a Gastroenterologist in Green Bay, Wisconsin. Dr. Laukka is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Alcoholic Cirrhosis, Crohn's Disease, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

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

    1715 Dousman St, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Roland Christian is a Gastroenterologist in Green Bay, Wisconsin. Dr. Christian is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Crohn's Disease, Angiodysplasia of the Colon, Gallstones, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Kanwar Arora, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Kanwar Arora is an Internal Medicine provider in Green Bay, Wisconsin. Dr. Arora is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Hiatal Hernia, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Matthew Kaspar, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Kaspar is a Gastroenterologist in Green Bay, Wisconsin. Dr. Kaspar is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Familial Adenomatous Polyposis, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    David Knuff, MD

    933 Waube Ln, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    David Knuff is a Gastroenterologist in Green Bay, Wisconsin. Dr. Knuff is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Bile Duct Obstruction, Gastrectomy, and Endoscopy.

    Showing 1-20 of 32

    Last Updated: 02/22/2026

    What is the definition of Gastrointestinal Bleeding?

    Gastrointestinal (GI) bleeding refers to any bleeding that starts in the GI tract.

    Bleeding may come from any site along the GI tract, but is often divided into:

    • Upper GI bleeding: The upper GI tract includes the esophagus (the tube from the mouth to the stomach), stomach, and first part of the small intestine (duodenum).
    • Lower GI bleeding: The lower GI tract includes most of the small intestine, and the entire large intestine, rectum, and anus.

    When should I see a Gastrointestinal Bleeding 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 Gastrointestinal Bleeding 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 does MediFind rank Gastrointestinal Bleeding 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 Gastrointestinal Bleeding 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 Gastrointestinal Bleeding 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 Gastrointestinal Bleeding doctor search results page. 

    Why is it important to get a second opinion from a different Gastrointestinal Bleeding 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 Gastrointestinal Bleeding 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 Gastrointestinal Bleeding 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 Gastrointestinal Bleeding 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 Gastrointestinal Bleeding doctors near Green Bay, WI?

    Look for the filter feature on the left side of the Gastrointestinal Bleeding 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 Gastrointestinal Bleeding doctor that offers video calls?

    Look for the filter feature on the left-side of the Gastrointestinal Bleeding 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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