The 20 Best Diarrhea Doctors Near Me in Waukesha, WI

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 126 doctor with experience in Diarrhea near Waukesha, WI. Of these, 110 are Experienced and 16 are Advanced.

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126 providers found
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Aurora Internal Medicine

    W231N1440 Corporate Ct, 
    Waukesha, WI 
     (3.0 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

    Aurora Family Medicine

    14555 W National Ave, 
    New Berlin, WI 
     (7.1 miles away)
    Languages Spoken:
    English, Arabic

    Ghudran Abdulal is a primary care provider, practicing in Family Medicine in New Berlin, Wisconsin. Dr. Abdulal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Thalassemia, High Cholesterol, Neuralgia, and Hypothyroidism. Dr. Abdulal is board certified in American Board Of Family Medicine.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Aurora Internal Medicine

    600 Walnut Ridge Dr, 
    Hartland, WI 
     (8.5 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.

    Learn about our expert tiers
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Aurora Gastroenterology

    2424 S 90th St, Ste 300, 
    West Allis, WI 
     (10.4 miles away)
    Languages Spoken:
    English, Hindi, Russian

    Maqsood Khan is a Gastroenterologist practicing medicine in West Allis, Wisconsin. Dr. Khan is rated as an Experienced 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 Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy. Dr. Khan is board certified in American Board Of Internal Medicine, Gastroenterology.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Aurora Gastroenterology

    36500 Aurora Dr, 
    Summit, WI 
     (12.6 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
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Aurora Gastroenterology

    2901 W Kinnickinnic River Pkwy, Ste 414, 
    Milwaukee, WI 
     (14.1 miles away)
    Languages Spoken:
    English, Hindi, Urdu

    Tarun Kaura is a Gastroenterologist practicing medicine in Milwaukee, Wisconsin. Dr. Kaura 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 Visceromegaly, Alcoholic Cirrhosis, Enlarged Liver, Endoscopy, and Gastrectomy. Dr. Kaura 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 
     (3.3 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 
     (3.3 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.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Aurora Health Center

    1284 N Summit Ave, 
    Oconomowoc, WI 
     (13.5 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.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ProHealth Medical Group Clinic Waukesha

    717 W Moreland Blvd, 
    Waukesha, WI 
     (1.0 miles away)
    Languages Spoken:
    English

    Robert Schellinger is a primary care provider, practicing in Family Medicine in Waukesha, Wisconsin. Dr. Schellinger is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Endoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    1111 Delafield St, Suite 212, 
    Waukesha, WI 
     (1.0 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.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    ProHealth Medical Group Waukesha - Big Bend Road

    2130 Big Bend Rd, 
    Waukesha, WI 
     (2.4 miles away)
    Languages Spoken:
    English

    Reyhan Demircioglu is a primary care provider, practicing in Internal Medicine in Waukesha, Wisconsin. Dr. Demircioglu 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 Heart Failure with Preserved Ejection Fraction (HFpEF), Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    ProHealth Urgent Care Waukesha - Big Bend Road

    2130 Big Bend Rd, 
    Waukesha, WI 
     (2.4 miles away)
    Languages Spoken:
    English

    William Lutz is a primary care provider, practicing in Internal Medicine in Waukesha, Wisconsin. Dr. Lutz is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Ogilvie Syndrome, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ProHealth Medical Group Waukesha - Big Bend Road

    2130 Big Bend Rd, 
    Waukesha, WI 
     (2.4 miles away)
    Languages Spoken:
    English

    Caryn Brownell is a primary care provider, practicing in Family Medicine in Waukesha, Wisconsin. Dr. Brownell is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Type 2 Diabetes (T2D), Deep Vein Thrombosis, High Cholesterol, and Maturity Onset Diabetes of the Young.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    ProHealth Medical Group Waukesha - Big Bend Road

    2130 Big Bend Rd, 
    Waukesha, WI 
     (2.4 miles away)
    Languages Spoken:
    English

    Steven Klemish is a primary care provider, practicing in Family Medicine in Waukesha, Wisconsin. Dr. Klemish is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Arrhythmogenic Right Ventricular Cardiomyopathy, Movement Disorders, Parkinson's Disease, and Thrombocytopenia.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    ProHealth Medical Group Inc

    2130 Big Bend Rd, 
    Waukesha, WI 
     (2.4 miles away)
    Languages Spoken:
    English

    Thomas Cantieri is a primary care provider, practicing in Internal Medicine in Waukesha, Wisconsin. Dr. Cantieri 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 Ventricular Tachycardia, Breast Cancer, Type 2 Diabetes (T2D), and Pulmonary Embolism.

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

    ProHealth Medical Group Pewaukee

    N16W24131 Riverwood Dr, 
    Waukesha, WI 
     (3.0 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 
     (3.0 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

    GI Specialists LLC

    1111 Delafield St Ste 322, 
    Waukesha, WI 
     (3.3 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

    GI Associates, LLC

    1033 N Mayfair Rd, 
    Wauwatosa, WI 
     (9.4 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Adam Huis is a Gastroenterologist practicing medicine in Wauwatosa, Wisconsin. He has been practicing medicine for over 10 years. Dr. Huis is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Trichohepatoenteric Syndrome, Diarrhea, Heartburn, and Hemorrhoids. Dr. Huis is board certified in American Board Of Internal Medicine, Gastroenterology.

    Showing 1-20 of 126

    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 Waukesha, 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 Waukesha, 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 Waukesha, 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 Waukesha, 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 Waukesha, 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 Waukesha, 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 Waukesha, 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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