The 20 Best Diarrhea Doctors Near Me in merrill, WI

Find the Top Diarrhea Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 17 doctor with experience in Diarrhea near merrill, WI. Of these, 11 are Experienced and 6 are Advanced.

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17 providers found
    Experienced in Diarrhea

    Dr. Christian E. Lee
    Internal Medicine
    Experienced in Diarrhea

    Dr. Christian E. Lee
    Internal Medicine
    Before you request

    Aspirus Wausau Hospital Inc.

    3333 E Main St, 
    Merrill, WI 
     (1.4 miles away)
    715-539-5600
    Languages Spoken:
    English, Filipino, Mandarin
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Christian Lee is a primary care provider, practicing in Internal Medicine in Merrill, Wisconsin. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D). Dr. Lee is currently accepting new patients.

    Advanced in Diarrhea

    Dr. Paul C. Samundsen
    Family Medicine
    Advanced in Diarrhea

    Dr. Paul C. Samundsen
    Family Medicine

    Marshfield Clinic Merrill Center-Family Medicine

    1205 O Day St, 
    Merrill, WI 
     (0.4 miles away)
    715-539-0123
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Paul Samundsen is a primary care provider, practicing in Family Medicine in Merrill, Wisconsin. Dr. Samundsen is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Interstitial Nephritis, Diarrhea, Trichohepatoenteric Syndrome, and Transient Global Amnesia. Dr. Samundsen is currently accepting new patients.

    Advanced in Diarrhea

    Dr. Wendy L. Hanneman
    Family Medicine
    Advanced in Diarrhea

    Dr. Wendy L. Hanneman
    Family Medicine
    Before you request

    Aspirus Wausau Hospital Inc.

    2720 Plaza Dr Ste 1300, 
    Wausau, WI 
     (14.9 miles away)
    715-847-2630
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Wendy Hanneman is a primary care provider, practicing in Family Medicine in Wausau, Wisconsin. Dr. Hanneman is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Failure, Cellulitis, and Peptic Ulcer. Dr. Hanneman is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Diarrhea

    Dr. Raymond L. Hartke
    Gastroenterology
    Advanced in Diarrhea

    Dr. Raymond L. Hartke
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Raymond Hartke is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Hartke is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Hartke is currently accepting new patients.

    Advanced in Diarrhea

    Dr. James R. Schlais
    Gastroenterology
    Advanced in Diarrhea

    Dr. James R. Schlais
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    James Schlais is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Schlais is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Collagenous Colitis, Barrett Esophagus, Colitis, Endoscopy, and Colonoscopy. Dr. Schlais is currently accepting new patients.

    Advanced in Diarrhea

    Dr. Keaton R. Jones
    Gastroenterology
    Advanced in Diarrhea

    Dr. Keaton R. Jones
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Keaton Jones is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Jones is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Colonoscopy, and Endoscopy. Dr. Jones is currently accepting new patients.

    Advanced in Diarrhea

    Dr. Veronika Gagovic
    Gastroenterology
    Advanced in Diarrhea

    Dr. Veronika Gagovic
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English, Serbo Croatian
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Veronika Gagovic is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Gagovic is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Gastric Dysmotility, Trichohepatoenteric Syndrome, Diarrhea, Endoscopy, and Colonoscopy. Dr. Gagovic is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Christopher G. Koeppl
    Internal Medicine
    Experienced in Diarrhea

    Dr. Christopher G. Koeppl
    Internal Medicine

    Aspirus Medical Group Inc.

    500 Wind Ridge Dr, 
    Wausau, WI 
     (14.7 miles away)
    800-441-4013
    Languages Spoken:
    English
    See accepted insurances

    Christopher Koeppl is a primary care provider, practicing in Internal Medicine in Wausau, Wisconsin. Dr. Koeppl is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Alzheimer's Disease, Chronic Obstructive Pulmonary Disease (COPD), Small Cell Lung Cancer (SCLC), and Lung Cancer.

    Experienced in Diarrhea

    Dr. Adam C. Godsey
    Gastroenterology
    Experienced in Diarrhea

    Dr. Adam C. Godsey
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Adam Godsey is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Godsey is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy. Dr. Godsey is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Eric A. Johnson
    Gastroenterology
    Experienced in Diarrhea

    Dr. Eric A. Johnson
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Eric Johnson is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Choledocholithiasis, Hereditary Pancreatitis, Endoscopy, and Gastrectomy. Dr. Johnson is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Christopher A. Young
    Gastroenterology
    Experienced in Diarrhea

    Dr. Christopher A. Young
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Christopher Young is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Young is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Ascites, Esophagitis, Colitis, Endoscopy, and Gastrectomy. Dr. Young is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Andrew R. Johannes
    Internal Medicine
    Experienced in Diarrhea

    Dr. Andrew R. Johannes
    Internal Medicine

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Andrew Johannes is a primary care provider, practicing in Internal Medicine in Wausau, Wisconsin. Dr. Johannes is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Juvenile Polyposis Syndrome, and Endoscopy. Dr. Johannes is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Melinda R. Wayde
    Gastroenterology
    Experienced in Diarrhea

    Dr. Melinda R. Wayde
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English, Spanish
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Melinda Wayde is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Wayde is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Crohn's Disease, and Endoscopy. Dr. Wayde is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Justin G. Hartke
    Gastroenterology
    Experienced in Diarrhea

    Dr. Justin G. Hartke
    Gastroenterology
    Referral may be required

    Gastrointestinal Associates SC

    411 Westwood Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-847-2558
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Justin Hartke is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Hartke is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Gastrectomy, and Endoscopy. Dr. Hartke is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Stephen L. Saeger
    Family Medicine
    Experienced in Diarrhea

    Dr. Stephen L. Saeger
    Family Medicine

    Aspirus Wausau Hospital Inc.

    425 Wind Ridge Dr, 
    Wausau, WI 
     (14.7 miles away)
    715-675-3391
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Stephen Saeger is a primary care provider, practicing in Family Medicine in Wausau, Wisconsin. Dr. Saeger is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Cerebellar Degeneration, Boils, Carbuncle, and Folliculitis. Dr. Saeger is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    Aspirus Wausau Hospital Inc

    333 Pine Ridge Blvd, 
    Wausau, WI 
     (14.8 miles away)
    715-847-2121
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Benjamin Schneeberger is a Gastroenterologist practicing medicine in Wausau, Wisconsin. Dr. Schneeberger is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Enlarged Liver, Crohn's Disease, Gastrectomy, and Endoscopy. Dr. Schneeberger is currently accepting new patients.

    Experienced in Diarrhea

    Dr. Andrew C. Buchl
    Family Medicine
    Experienced in Diarrhea

    Dr. Andrew C. Buchl
    Family Medicine

    Aspirus Family Walk-In

    2720 Plaza Dr Ste 1100, 
    Wausau, WI 
     (14.9 miles away)
    715-847-2121
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Andrew Buchl is a primary care provider, practicing in Family Medicine in Wausau, Wisconsin. Dr. Buchl is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Cellulitis, Vertigo, and Otitis. Dr. Buchl is currently accepting new patients.

    Showing 1-17 of 17

    Last Updated: 09/26/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor near merrill, 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 merrill, 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 Diarrhea doctor near merrill, WI?

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

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    How does MediFind rank Diarrhea doctors near merrill, 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 merrill, 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 merrill, 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 merrill, 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 merrill, 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 

    Read more about our Content Policy. 

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