The 20 Best Diarrhea Doctors Near Me in menasha, WI

Find the Top Diarrhea Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 141 doctor with experience in Diarrhea near menasha, WI. Of these, 135 are Experienced and 6 are Advanced.

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141 providers found
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    ThedaCare Physicians Internal MedicineNeenah Medical Center

    200 Theda Clark Medical Plaza, Suite 380, 
    Neenah, WI 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    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. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Blood Clots, Type 2 Diabetes (T2D), Obesity, High Cholesterol, and Endoscopy. Dr. Knaus is board certified in Internal Medicine, American Board Of Internal Medicine (1993). Dr. Knaus is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare PhysiciansNeenah

    333 North Green, Bay Road, 
    Neenah, WI 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lesley Kieffer is a primary care provider, practicing in Family Medicine in Neenah, Wisconsin. Dr. Kieffer is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Generalized Anxiety Disorder (GAD), Hypothyroidism, Obesity in Children, and High Cholesterol. Dr. Kieffer is board certified in Family Medicine, American Board Of Family Medicine (2013). Dr. Kieffer is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    ThedaCare Physicians PediatricsNeenah

    640 Deerwood Avenue, 
    Neenah, WI 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sneha Subbarayan is a Pediatrics provider practicing medicine in Neenah, Wisconsin. Dr. Subbarayan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Croup, Delayed Growth, Herpangina, and Diarrhea. Dr. Subbarayan is board certified in Pediatrics, American Board Of Pediatrics (2018). Dr. Subbarayan is currently accepting new patients.

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

    ThedaCare Physicians Internal MedicineNeenah

    333 Green, Bay Road, 
    Neenah, WI 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jennifer Norden is a primary care provider, practicing in Internal Medicine in Neenah, Wisconsin. Dr. Norden is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Degos Disease, High Cholesterol, and Type 2 Diabetes (T2D). Dr. Norden is board certified in Internal Medicine, American Board Of Internal Medicine (1997). Dr. Norden is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare PhysiciansNeenah

    333 North Green, Bay Road, 
    Neenah, WI 
     (3.9 miles away)
    Languages Spoken:
    English, Hindi, Telugu
    Accepting New Patients

    Venkata Udayagiri is a primary care provider, practicing in Family Medicine in Neenah, Wisconsin. Dr. Udayagiri is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), High Cholesterol, and Obesity in Children. Dr. Udayagiri is board certified in Family Medicine, American Board Of Family Medicine (2019). Dr. Udayagiri is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare PhysiciansNeenah

    333 North Green, Bay Road, 
    Neenah, WI 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    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. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Obesity, and Familial Hypertension. Dr. Dunn is board certified in American Osteopathic Board Of Family Physicians (2015) and Family Medicine, American Board Of Family Medicine (2015). Dr. Dunn is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare PhysiciansNeenah

    333 North Green, Bay Road, 
    Neenah, WI 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    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. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and High Cholesterol. Dr. Bloomhuff is board certified in Family Medicine, American Board Of Family Medicine (2001). Dr. Bloomhuff is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    ThedaCare Physicians Internal MedicineNeenah

    333 Green, Bay Road, 
    Neenah, WI 
     (3.9 miles away)
    Languages Spoken:
    English, German
    Accepting New Patients
    Offers Telehealth

    Thomas Duncan is a primary care provider, practicing in Internal Medicine in Neenah, Wisconsin. Dr. Duncan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension. Dr. Duncan is board certified in Internal Medicine, American Board Of Internal Medicine (1978). Dr. Duncan is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Mosaic Family Health Inc.

    229 S Morrison St, 
    Appleton, WI 
     (4.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Deborah Schultz is a primary care provider, practicing in Family Medicine in Appleton, Wisconsin. Dr. Schultz is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Nephrosclerosis, Renovascular Hypertension, Anemia, and Vascular Dementia. Dr. Schultz is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    ThedaCare Physicians PediatricsDarboy

    W5282 Amy Avenue, 
    Darboy, WI 
     (5.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Abby Smolcich is a Pediatrics provider practicing medicine in Darboy, Wisconsin. Dr. Smolcich is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Croup, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Developmental Dysphasia Familial, and Vascular Birthmark. Dr. Smolcich is board certified in Pediatrics, American Board Of Pediatrics (2018). Dr. Smolcich is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare PhysiciansAppleton North

    2500 East Capitol Drive, 
    Appleton, WI 
     (6.7 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Jose Hernandez is a primary care provider, practicing in Family Medicine in Appleton, Wisconsin. Dr. Hernandez 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 Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), Opisthotonos, and Muscle Spasms. Dr. Hernandez is board certified in Family Medicine, American Board Of Family Medicine (2018). Dr. Hernandez is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ThedaCare PhysiciansAppleton North

    2500 East Capitol Drive, 
    Appleton, WI 
     (6.7 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients

    Amanda Kossak is a primary care provider, practicing in Family Medicine in Appleton, Wisconsin. She has been practicing medicine for over 10 years. Dr. Kossak is rated as an Experienced 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 Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), Obesity, Obesity in Children, and Intrauterine Device Insertion. Dr. Kossak is board certified in Family Medicine, American Board Of Family Medicine (2019). Dr. Kossak is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Thedacare Regional Medical Center-Appleton Inc.

    2500 E Capitol Dr, 
    Appleton, WI 
     (7.8 miles away)
    Languages Spoken:
    English, Japanese
    Accepting New Patients

    Shanique Jarrett is a primary care provider, practicing in Family Medicine in Appleton, Wisconsin. Dr. Jarrett is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Obesity in Children. Dr. Jarrett is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    ThedaCare Physicians PediatricsAppleton

    2701 East Enterprise Avenue, 
    Appleton, WI 
     (9.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Hayes is a Pediatrics provider practicing medicine in Appleton, Wisconsin. Dr. Hayes is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Developmental Dysphasia Familial, Croup, Herpangina, and Autism Spectrum Disorder. Dr. Hayes is board certified in Pediatrics, American Board Of Pediatrics (2011). Dr. Hayes is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    Referral may be required

    ThedaCare GastroenterologyNeenah

    200 Theda Clark Medical Plaza, Ste 310, 
    Neenah, WI 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lori Franck is a Gastroenterologist practicing medicine in Neenah, Wisconsin. Dr. Franck is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Irritable Bowel Syndrome (IBS), Ulcerative Colitis, Lymphocytic Colitis, and Crohn's Disease. Dr. Franck is board certified in American Academy Of Nurse Practitioners (2020). Dr. Franck is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    Referral may be required

    ThedaCare GastroenterologyNeenah

    200 Theda Clark Medical Plaza, Ste 310, 
    Neenah, WI 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Timothy Edison is a Gastroenterologist practicing medicine in Neenah, Wisconsin. Dr. Edison is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Esophagitis, Colitis, Endoscopy, and Gastrectomy. Dr. Edison is board certified in Gastroenterology, American Board Of Internal Medicine (1993) and Internal Medicine, American Board Of Internal Medicine (1990). Dr. Edison is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    Ascension Medical Group Wisconsin - Deerwood Avenue

    740 Deerwood Ave, 
    Neenah, WI 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Elizabeth Beyer is a Pediatrics provider practicing medicine in Neenah, Wisconsin. Dr. Beyer is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Herpangina, Delayed Growth, Rotor Syndrome, and Croup. Dr. Beyer is board certified in American Nurses Credentialing Center - Family Nurse Practitioner - Board Certified (FNP-BC). Dr. Beyer is currently accepting new patients.

    Experienced in Diarrhea
    Nurse Practitioner | Gastroenterology
    Experienced in Diarrhea
    Nurse Practitioner | Gastroenterology
    Referral may be required

    Ascension NE Wisconsin - Midway Place

    1550 Midway Pl, 
    Menasha, WI 
     (2.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Katlyn Hansen is a Nurse Practitioner specialist and a Gastroenterologist practicing medicine in Menasha, Wisconsin. Hansen, NP is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Irritable Bowel Syndrome (IBS), Ulcerative Colitis, and Colitis. Hansen, NP is board certified in American Nurses Credentialing Center - Family Nurse Practitioner - Board Certified (FNP-BC). Hansen, NP is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Referral may be required

    Ascension NE Wisconsin - Midway Place - Gastroenterology

    1550 Midway Pl, 
    Menasha, WI 
     (2.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Avery Lebowitz is a Gastroenterologist practicing medicine in Menasha, Wisconsin. Dr. Lebowitz is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Irritable Bowel Syndrome (IBS), Trichohepatoenteric Syndrome, Diarrhea, and Gastroparesis. Dr. Lebowitz is board certified in American Association Of Critical Care Nurses Certification Corporation - Adult-Gerontology Acute Care Nurse Practitioner - Board Certified (AGACNP-BC). Dr. Lebowitz is currently accepting new patients.

    Experienced in Diarrhea
    Nurse Practitioner | Gastroenterology
    Experienced in Diarrhea
    Nurse Practitioner | Gastroenterology
    Referral may be required

    Ascension NE Wisconsin - Midway Place

    1550 Midway Pl, 
    Menasha, WI 
     (2.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sarah Bertzyk is a Nurse Practitioner specialist and a Gastroenterologist practicing medicine in Menasha, Wisconsin. Bertzyk, NP is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Exocrine Pancreatic Insufficiency, Macroamylasemia, Irritable Bowel Syndrome (IBS), and Celiac Disease. Bertzyk, NP is board certified in American Academy Of Nurse Practitioners Certification Board - Family Nurse Practitioner. Bertzyk, NP is currently accepting new patients.

    Showing 1-20 of 141

    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 menasha, 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 menasha, 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 menasha, 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 menasha, 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 menasha, 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 menasha, 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 menasha, 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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