The 20 Best Diarrhea Doctors Near Me in Hartland, WI

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 36 doctor with experience in Diarrhea near Hartland, WI. Of these, 32 are Experienced and 4 are Advanced.

Location
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36 providers found
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Aurora Internal Medicine

    600 Walnut Ridge Dr, 
    Hartland, WI 
     (1.5 miles away)
    Languages Spoken:
    English

    Mary Geralts is a primary care provider, practicing in Internal Medicine in Hartland, Wisconsin. Dr. Geralts is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Wandering Spleen, Melorheostosis with Osteopoikilosis, Melorheostosis, and Osteopenia. Dr. Geralts is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Aurora Gastroenterology

    36500 Aurora Dr, 
    Summit, WI 
     (6.6 miles away)
    Languages Spoken:
    English

    Michael Strupp is a Gastroenterologist practicing medicine in Summit, Wisconsin. Dr. Strupp is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy. Dr. Strupp is board certified in American Board Of Internal Medicine, Gastroenterology.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Aurora Health Center

    1284 N Summit Ave, 
    Oconomowoc, WI 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Richard Terry is a primary care provider, practicing in Family Medicine in Oconomowoc, Wisconsin. Dr. Terry is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Tracheitis, Acute Interstitial Pneumonia, WT1-Related Wilms Tumor Syndromes, and Clear Cell Sarcoma. Dr. Terry is board certified in American Osteopathic Board Of Family Physicians, Family Medicine.

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

    Aurora Family Medicine

    600 Walnut Ridge Dr, 
    Hartland, WI 
     (1.5 miles away)
    Languages Spoken:
    English

    Todd Miller is a primary care provider, practicing in Family Medicine in Hartland, Wisconsin. Dr. Miller is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Spastic Diplegia Infantile Type. Dr. Miller is board certified in American Board Of Family Medicine.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Aurora Internal Medicine

    W231N1440 Corporate Ct, 
    Waukesha, WI 
     (8.0 miles away)
    Languages Spoken:
    English, Polish, Russian

    Roman Pyasta is a primary care provider, practicing in Internal Medicine in Waukesha, Wisconsin. Dr. Pyasta 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 Obstructive Pulmonary Disease (COPD), Lung Metastases, Anemia, and Familial Hypertension. Dr. Pyasta is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ProHealth Medical Group Hartland

    1500 Walnut Ridge Dr, 
    Hartland, WI 
     (1.7 miles away)
    Languages Spoken:
    English

    Catherine Way is a primary care provider, practicing in Family Medicine in Hartland, Wisconsin. Dr. Way 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 Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Sitosterolemia.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Aurora Gastroenterology

    36500 Aurora Dr, 
    Summit, WI 
     (6.6 miles away)
    Languages Spoken:
    English

    Tatyana Taranukha is a Gastroenterologist practicing medicine in Summit, Wisconsin. Dr. Taranukha is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Angiodysplasia of the Colon, Cyclic Vomiting Syndrome, Crohn's Disease, Colonoscopy, and Gastrectomy. Dr. Taranukha is board certified in American Board Of Internal Medicine, Gastroenterology.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    GI Specialists LLC

    1111 Delafield St Ste 322, 
    Waukesha, WI 
     (6.3 miles away)
    Languages Spoken:
    English

    David Staff is a Gastroenterologist practicing medicine in Waukesha, Wisconsin. Dr. Staff is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Pewaukee Vision SC

    1111 Delafield St Ste 212, 
    Waukesha, WI 
     (6.3 miles away)
    Languages Spoken:
    English

    Joel Lans is a Gastroenterologist practicing medicine in Waukesha, Wisconsin. Dr. Lans is rated as an Advanced 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 Familial Adenomatous Polyposis, Barrett Esophagus, Diverticular Disease, Colonoscopy, and Endoscopy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Office

    1185 Corporate Center Dr Ste 120, 
    Oconomowoc, WI 
     (7.2 miles away)
    Languages Spoken:
    English

    Helen Lantz is a Gastroenterologist practicing medicine in Oconomowoc, Wisconsin. Dr. Lantz 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 Familial Adenomatous Polyposis, Trichohepatoenteric Syndrome, Diarrhea, Gastrectomy, and Endoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    GI Specialists LLC

    1111 Delafield St Ste 322, 
    Waukesha, WI 
     (6.3 miles away)
    Languages Spoken:
    English

    Aravind Vijayapal is a Gastroenterologist practicing medicine in Waukesha, Wisconsin. Dr. Vijayapal 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 Ulcerative Colitis, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Pancreatectomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Aurora Medical Center Summit

    36500 Aurora Dr, 
    Summit, WI 
     (6.6 miles away)
    Languages Spoken:
    English

    Nimish Vakil is a Gastroenterologist practicing medicine in Summit, Wisconsin. Dr. Vakil is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Heartburn, Indigestion, Endoscopy, and Colonoscopy.

    Experienced in Diarrhea
    Internal Medicine | Pediatrics
    Experienced in Diarrhea
    Internal Medicine | Pediatrics

    ProHealth Medical Group Oconomowoc

    1185 Corporate Center Dr, 
    Oconomowoc, WI 
     (6.8 miles away)
    Languages Spoken:
    English

    David Schlomer is a primary care provider, practicing in Internal Medicine and Pediatrics in Oconomowoc, Wisconsin. Dr. Schlomer is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Low Sodium Level, Hypothyroidism, Obesity in Children, and Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ProHealth Medical Group Oconomowoc

    1185 Corporate Center Dr, 
    Oconomowoc, WI 
     (6.8 miles away)
    Languages Spoken:
    English

    Dale Johnson is a primary care provider, practicing in Family Medicine in Oconomowoc, Wisconsin. Dr. Johnson 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 Pulmonary Embolism, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Sitosterolemia.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ProHealth Medical Group Oconomowoc

    1185 Corporate Center Dr, 
    Oconomowoc, WI 
     (6.8 miles away)
    Languages Spoken:
    English

    Kristen Vento is a primary care provider, practicing in Family Medicine in Oconomowoc, Wisconsin. Dr. Vento 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 Chronic Kidney Disease, Hypothyroidism, Sitosterolemia, and Familial Hypertension.

    Experienced in Diarrhea
    Internal Medicine | Pediatrics
    Experienced in Diarrhea
    Internal Medicine | Pediatrics

    ProHealth Medical Group Oconomowoc

    1185 Corporate Center Dr, 
    Oconomowoc, WI 
     (6.8 miles away)
    Languages Spoken:
    English

    Brenda Boschek is a primary care provider, practicing in Internal Medicine and Pediatrics in Oconomowoc, Wisconsin. Dr. Boschek is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 34 other conditions, according to our data. Her clinical expertise encompasses Meier-Gorlin Syndrome, BOD Syndrome, Kenny-Caffey Syndrome Type 2, and Campomelic Dysplasia.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ProHealth Medical Group Oconomowoc

    1185 Corporate Center Dr, 
    Oconomowoc, WI 
     (6.8 miles away)
    Languages Spoken:
    English

    Jennifer Scheeler is a primary care provider, practicing in Family Medicine in Oconomowoc, Wisconsin. Dr. Scheeler is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypothyroidism.

    Experienced in Diarrhea
    Internal Medicine | Pediatrics
    Experienced in Diarrhea
    Internal Medicine | Pediatrics

    ProHealth Medical Group Pewaukee

    N16W24131 Riverwood Dr, 
    Waukesha, WI 
     (7.1 miles away)
    Languages Spoken:
    English

    Paul O'neill is a primary care provider, practicing in Internal Medicine and Pediatrics in Waukesha, Wisconsin. Dr. O'neill is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Multiple Myeloma, Neurohypophyseal Diabetes Insipidus, Diabetes Insipidus (DI), and High Cholesterol.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    ProHealth Medical Group Pewaukee

    N16W24131 Riverwood Dr, 
    Waukesha, WI 
     (7.1 miles away)
    Languages Spoken:
    English

    Uma Thirumakizhmaran is a primary care provider, practicing in Internal Medicine in Waukesha, Wisconsin. Dr. Thirumakizhmaran 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 Acute Kidney Failure, Hyperlipidemia Type 3, Hypothyroidism, and High Cholesterol.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    1111 Delafield St, Suite 212, 
    Waukesha, WI 
     (7.8 miles away)
    Languages Spoken:
    English

    Mark Dreyer is a Gastroenterologist practicing medicine in Waukesha, Wisconsin. Dr. Dreyer is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Barrett Esophagus, Gastroparesis, Familial Adenomatous Polyposis, and Turcot Syndrome.

    Showing 1-20 of 36

    Last Updated: 04/28/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor near Hartland, 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 Hartland, 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 Hartland, 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 Hartland, 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 Hartland, 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 Hartland, 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 Hartland, 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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