The 20 Best Diarrhea Doctors Near Me in Oshkosh, WI

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Oshkosh, WI

Last Updated: 02/22/2026

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MediFind found 33 doctor with experience in Diarrhea near Oshkosh, WI. Of these, 31 are Experienced and 2 are Advanced.

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33 providers found
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    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 Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gardner Syndrome, Turcot Syndrome, Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

    Ammar Alzoubi
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Aurora Internal Medicine

    855 N Westhaven Dr 2nd Fl, 
    Oshkosh, WI 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ammar Alzoubi is a primary care provider, practicing in Internal Medicine in Oshkosh, Wisconsin. Dr. Alzoubi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are End-Stage Renal Disease (ESRD), Pulmonary Embolism, Type 2 Diabetes (T2D), and Sitosterolemia.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Kirtida N Ringwala MD

    10 E Irving Ave, 
    Oshkosh, WI 
     (0.3 miles away)
    Languages Spoken:
    English

    Kirtida Ringwala is a primary care provider, practicing in Family Medicine in Oshkosh, Wisconsin. Dr. Ringwala is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Combined Hyperlipidemia, and Ureteroscopy.

    Learn about our expert tiers
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Ascension Medical Group Wi-Koeller Street-Internal Medicine

    1855 S Koeller St, 
    Oshkosh, WI 
     (2.4 miles away)
    Languages Spoken:
    English

    Benjamin Heinzen is a primary care provider, practicing in Internal Medicine in Oshkosh, Wisconsin. Dr. Heinzen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Type 2 Diabetes (T2D), High Cholesterol, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    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 Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Angiodysplasia of the Colon, Gastrointestinal Bleeding, Intestinal Cancer, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Aurora Medical Center Of Oshkosh

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

    Bennett Pastika is a Gastroenterologist in Oshkosh, Wisconsin. Dr. Pastika is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Esophagitis, Colitis, Viral Gastroenteritis, Endoscopy, and Gastrectomy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Aurora Medical Center Of Oshkosh

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

    Jon Carlson is a primary care provider, practicing in Family Medicine in Oshkosh, Wisconsin. Dr. Carlson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Cellulitis, Lymphangitis, Otitis, and Empyema.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    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 Diarrhea. His top areas of expertise are Gastrointestinal Bleeding, Portal Hypertension, Colitis, Endoscopy, and Colonoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare Regional Medical Center-Neenah Inc.

    600 N Westhaven Dr, 
    Oshkosh, WI 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Patrick Terry is a primary care provider, practicing in Family Medicine in Oshkosh, Wisconsin. Dr. Terry is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Generalized Anxiety Disorder (GAD), Pelvic Floor Dysfunction, Cellulitis, and Otitis.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare Regional Medical Center-Neenah Inc.

    600 N Westhaven Dr, 
    Oshkosh, WI 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rimas Janusonis is a primary care provider, practicing in Family Medicine in Oshkosh, Wisconsin. Dr. Janusonis is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Obesity Hypoventilation Syndrome (OHS), Abdominal Obesity Metabolic Syndrome, Type B Insulin Resistance Syndrome, and Mitochondrial Complex V Deficiency.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    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 Diarrhea. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Juvenile Polyposis Syndrome, Endoscopy, and Gastrectomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    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 Diarrhea. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Endoscopy, and Gastrectomy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Ascension Medical Group Wisconsin-Ninth Avenue | Creekside Suite 300

    2700 W 9th Ave # 203A, 
    Oshkosh, WI 
     (4.0 miles away)
    Languages Spoken:
    English

    Lars Swanson is a primary care provider, practicing in Internal Medicine in Oshkosh, Wisconsin. Dr. Swanson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are High Cholesterol, Familial Combined Hyperlipidemia, Xanthoma, and Perniosis.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Ascension Medical Group Wisconsin-Winneconne

    916 E Main St, 
    Winneconne, WI 
     (9.7 miles away)
    Languages Spoken:
    English

    Christopher Rocke is a primary care provider, practicing in Family Medicine in Winneconne, Wisconsin. Dr. Rocke is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are High Cholesterol, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Low Potassium Level.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Ear Nose And Throat Specialists Of Wisconsin SC

    119 E Bell St, 
    Neenah, WI 
     (10.0 miles away)
    Languages Spoken:
    English

    Christopher Mjaanes is a Pediatrics provider in Neenah, Wisconsin. Dr. Mjaanes is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Vibratory Urticaria.

    Experienced in Diarrhea
    General Surgery
    Experienced in Diarrhea
    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 Diarrhea. His top areas of expertise are Gallbladder Disease, Gallstones, Choledocholithiasis, Colonoscopy, and Gastrostomy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    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 Diarrhea. His top areas of expertise are Crohn's Disease, Esophagitis, Colitis, Endoscopy, and Gastrectomy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    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 Diarrhea. His top areas of expertise are Blood Clots, Type 2 Diabetes (T2D), Obesity, High Cholesterol, and Endoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    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 Diarrhea. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Obesity, and Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare Physicians Neenah

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

    Kurt Bloomhuff is a primary care provider, practicing in Family Medicine in Neenah, Wisconsin. Dr. Bloomhuff is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.

    Showing 1-20 of 33

    Last Updated: 02/22/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea doctor search results page. 

    Why is it important to get a second opinion from a different Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea doctors near Oshkosh, WI?

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

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