The 20 Best Gastrointestinal Bleeding Doctors Near Me in Oshkosh, WI

Find the Top Gastrointestinal Bleeding Experts and Specialists

The 20 Best Gastrointestinal Bleeding Doctors near Oshkosh, WI

Last Updated: 02/22/2026

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MediFind found 16 doctor with experience in Gastrointestinal Bleeding near Oshkosh, WI. Of these, 14 are Experienced and 2 are Advanced.

Location
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16 providers found
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Digestive Healthcare Specialists, SC

    2700 W 9th Ave, 
    Oshkosh, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Jeffrey Andreini is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Andreini is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gardner Syndrome, Turcot Syndrome, Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    Aurora Medical Center Of Oshkosh

    855 N Westhaven Dr, 
    Oshkosh, WI 
     (2.5 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Christopher Magiera is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Magiera has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Angiodysplasia of the Colon, Gastrointestinal Bleeding, Intestinal Cancer, Gastrectomy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Aurora Medical Center Of Oshkosh

    855 N Westhaven Dr, 
    Oshkosh, WI 
     (2.5 miles away)
    Languages Spoken:
    English

    Dirk Van Leeuwen is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Van Leeuwen is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Portal Hypertension, Colitis, Endoscopy, and Colonoscopy.

    Learn about our expert tiers
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Aurora Medical Center Of Oshkosh

    855 N Westhaven Dr, 
    Oshkosh, WI 
     (2.5 miles away)
    Languages Spoken:
    English

    Milton Johnson is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Esophagitis, Hemorrhoids, Mallory-Weiss Syndrome, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Aurora Medical Center Of Oshkosh

    855 N Westhaven Dr, 
    Oshkosh, WI 
     (2.5 miles away)
    Languages Spoken:
    English

    Abbas Zagnoon is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Zagnoon is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Macroamylasemia, Angiodysplasia of the Colon, Bile Duct Stricture, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Ascension Medical Group-Fox Valley Wisconsin Inc

    2700 W 9th Ave, 
    Oshkosh, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Sudeep Sodhi is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Sodhi is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Juvenile Polyposis Syndrome, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Bleeding
    Family Medicine
    Experienced in Gastrointestinal Bleeding
    Family Medicine

    Ascension NE Wisconsin Inc

    500 S Oakwood Rd, 
    Oshkosh, WI 
     (3.1 miles away)
    Languages Spoken:
    English

    Jonathan Howard is a primary care provider, practicing in Family Medicine in Oshkosh, Wisconsin. Dr. Howard is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Pneumonia, Rhabdomyolysis, and Ogilvie Syndrome.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Mary McDonald MD SC

    2700 W 9th Ave Ste 300, 
    Oshkosh, WI 
     (4.0 miles away)
    Languages Spoken:
    English

    Mary Mcdonald is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Mcdonald is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Bleeding
    General Surgery
    Experienced in Gastrointestinal Bleeding
    General Surgery

    Surgical Associates Of Neenah, SC

    100 Theda Clark Medical Plz, 
    Neenah, WI 
     (12.1 miles away)
    Languages Spoken:
    English

    David Schultz is a General Surgeon in Neenah, Wisconsin. Dr. Schultz is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gallbladder Disease, Gallstones, Choledocholithiasis, Colonoscopy, and Gastrostomy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    Surgical Associates Of Neenah SC

    100 Theda Clark Medical Plz Ste 400, 
    Neenah, WI 
     (10.9 miles away)
    Languages Spoken:
    English

    Timothy Edison is a Gastroenterologist in Neenah, Wisconsin. Dr. Edison is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Crohn's Disease, Esophagitis, Colitis, Endoscopy, and Gastrectomy.

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

    Ascension Medical Group-Fox Valley Wisconsin Inc.

    101 Main St, 
    Neenah, WI 
     (11.9 miles away)
    Languages Spoken:
    English

    James Burns is a primary care provider, practicing in Internal Medicine in Neenah, Wisconsin. Dr. Burns is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Fainting, Familial Neurocardiogenic Syncope, Vertigo, and Inappropriate Sinus Tachycardia (IST).

    Experienced in Gastrointestinal Bleeding
    General Surgery | Vascular Surgery | Colorectal Surgery
    Experienced in Gastrointestinal Bleeding
    General Surgery | Vascular Surgery | Colorectal Surgery

    Surgical Associates Of Neenah, S.C.

    100 Theda Clark Medical Plz, Suite 400, 
    Neenah, WI 
     (12.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Patrick Brennan is a General Surgeon and a Vascular Surgeon in Neenah, Wisconsin. Dr. Brennan is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Hernia, Retroperitoneal Inflammation, Umbilical Hernia, Gastrostomy, and Endoscopy. Dr. Brennan is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding
    General Surgery | Colorectal Surgery | Surgical Oncology
    Experienced in Gastrointestinal Bleeding
    General Surgery | Colorectal Surgery | Surgical Oncology

    Surgical Associates Of Neenah, S.C.

    100 Theda Clark Medical Plz, Suite 400, 
    Neenah, WI 
     (12.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Raymond Georgen is a General Surgeon and a Colorectal Surgeon in Neenah, Wisconsin. Dr. Georgen is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Short Bowel Syndrome, Malnutrition, Obesity, Endoscopy, and Hernia Surgery. Dr. Georgen is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding
    General Surgery | Vascular Surgery | Colorectal Surgery
    Experienced in Gastrointestinal Bleeding
    General Surgery | Vascular Surgery | Colorectal Surgery
    100 Theda Clark Medical Plz, Suite 400, 
    Neenah, WI 
     (12.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Wasco is a General Surgeon and a Vascular Surgeon in Neenah, Wisconsin. Dr. Wasco is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Short Bowel Syndrome, Malnutrition, Hernia, Endoscopy, and Gastrectomy. Dr. Wasco is currently accepting new patients.

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

    Office

    200 Theda Clark Medical Plz Ste 380, 
    Neenah, WI 
     (12.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Steven Knaus is a primary care provider, practicing in Internal Medicine in Neenah, Wisconsin. Dr. Knaus is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Blood Clots, Type 2 Diabetes (T2D), Obesity, High Cholesterol, and Endoscopy.

    Experienced in Gastrointestinal Bleeding
    Family Medicine
    Experienced in Gastrointestinal Bleeding
    Family Medicine

    ThedaCare Physicians Neenah

    333 N Green Bay Rd, 
    Neenah, WI 
     (12.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Dunn is a primary care provider, practicing in Family Medicine in Neenah, Wisconsin. Dr. Dunn is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Obesity, and Hypertension.

    Showing 1-16 of 16

    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 Oshkosh, 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 Oshkosh, 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 Oshkosh, 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 Oshkosh, 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 Oshkosh, 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 Oshkosh, 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 Oshkosh, 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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