The 20 Best Diarrhea Doctors Near Me in North Rhine-Westphalia, DE

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 104 doctor with experience in Diarrhea near North Rhine-Westphalia, DE. Of these, 100 are Experienced, 3 are Advanced and 1 are Distinguished.

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104 providers found
    Distinguished in Diarrhea

    Oliver A. Cornely
    Distinguished in Diarrhea

    Oliver A. Cornely
    Kerpener Str. 62, 
    Koeln, NW, DE 

    Oliver Cornely practices practicing medicine in Koeln, Germany. Mr. Cornely is rated as a Distinguished expert by MediFind in the treatment of Diarrhea. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Mucormycosis, Aspergillosis, Agranulocytosis, COVID-19, and Bone Marrow Transplant.

    Advanced in Diarrhea

    Nadia Harbeck
    Advanced in Diarrhea

    Nadia Harbeck
    Kerpener Str. 34, 
    Koeln, NW, DE 

    Nadia Harbeck practices practicing medicine in Koeln, Germany. Ms. Harbeck is rated as an Advanced expert by MediFind in the treatment of Diarrhea. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, PIK3CA-Related Overgrowth Spectrum, Triple-Negative Breast Cancer, Agranulocytosis, and Mastectomy.

    Advanced in Diarrhea

    Michael J. Hallek
    Advanced in Diarrhea

    Michael J. Hallek
    Joseph Stelzmann Str. 26, 
    Koeln, NW, DE 

    Michael Hallek practices practicing medicine in Koeln, Germany. Mr. Hallek is rated as an Advanced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Leukemia, Bone Marrow Transplant, and Bone Graft.

    Learn about our expert tiers
    Advanced in Diarrhea

    Tim H. Brummendorf
    Advanced in Diarrhea

    Tim H. Brummendorf
    Aachen, NW, DE 

    Tim Brummendorf practices practicing medicine in Aachen, Germany. Mr. Brummendorf is rated as an Advanced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Chronic Myelogenous Leukemia (CML), Dyskeratosis Congenita, Leukemia, Myeloproliferative Neoplasms (MPN), and Bone Marrow Transplant.

    Experienced in Diarrhea

    Alexander C. Mellmann
    Experienced in Diarrhea

    Alexander C. Mellmann
    Von Esmarch Str. 56, 
    Muenster, NW, DE 

    Alexander Mellmann practices practicing medicine in Muenster, Germany. Mr. Mellmann is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hemolytic-Uremic Syndrome, D-Plus Hemolytic Uremic Syndrome, D-Minus Hemolytic Uremic Syndrome, Methicillin-Resistant Staphylococcus Aureus (MRSA), and Bone Marrow Transplant.

    Experienced in Diarrhea

    Christian Drosten
    Experienced in Diarrhea

    Christian Drosten
    Sigmund Freud Str. 25, 
    Bonn, NW, DE 

    Christian Drosten practices practicing medicine in Bonn, Germany. Mr. Drosten is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Middle East Respiratory Syndrome (MERS), Severe Acute Respiratory Syndrome (SARS), COVID-19, and Orchitis.

    Experienced in Diarrhea

    Ralf Gutzmer
    Experienced in Diarrhea

    Ralf Gutzmer
    Hans Nolte Str. 1, 
    Minden, NW, DE 

    Ralf Gutzmer practices practicing medicine in Minden, Germany. Mr. Gutzmer is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Melanoma, Basal Cell Skin Cancer, Bowen's Disease, and Actinic Keratosis.

    Experienced in Diarrhea

    Carmen Loquai
    Experienced in Diarrhea

    Carmen Loquai

    Fachklinik Hornheide

    Muenster, NW, DE 

    Carmen Loquai practices practicing medicine in Muenster, Germany. Ms. Loquai is rated as an Experienced expert by MediFind in the treatment of Diarrhea. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Melanoma, Basal Cell Skin Cancer, Metastatic Uveal Melanoma, and Bowen's Disease.

    Experienced in Diarrhea

    Dirk Schadendorf
    Experienced in Diarrhea

    Dirk Schadendorf
    Essen, NW, DE 

    Dirk Schadendorf practices practicing medicine in Essen, Germany. Mr. Schadendorf is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Melanoma, Basal Cell Skin Cancer, Merkel Cell Carcinoma, Neuroendocrine Tumor, and Tissue Biopsy.

    Experienced in Diarrhea

    Stephan H. Rosenkranz
    Experienced in Diarrhea

    Stephan H. Rosenkranz
    Kerpener Str. 62, 
    Koeln, NW, DE 

    Stephan Rosenkranz practices practicing medicine in Koeln, Germany. Mr. Rosenkranz is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Pulmonary Hypertension, Hypertension, Pulmonary Embolism, Angioplasty, and Thrombectomy.

    Experienced in Diarrhea

    Michael A. Nauck
    Experienced in Diarrhea

    Michael A. Nauck
    St. Josef Hospital, 
    Bochum, NW, DE 

    Michael Nauck practices practicing medicine in Bochum, Germany. Mr. Nauck is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Low Blood Sugar, and Insulinoma.

    Experienced in Diarrhea

    Stefan H. Wirth
    Experienced in Diarrhea

    Stefan H. Wirth
    Wuppertal, NW, DE 

    Stefan Wirth practices practicing medicine in Wuppertal, Germany. Mr. Wirth is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Hepatitis C, Undescended Testicle, Hepatitis B, and Thrombectomy.

    Experienced in Diarrhea

    Mathias G. Herrmann
    Experienced in Diarrhea

    Mathias G. Herrmann
    Muenster, NW, DE 

    Mathias Herrmann practices practicing medicine in Muenster, Germany. Mr. Herrmann is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Methicillin-Resistant Staphylococcus Aureus (MRSA), Ecthyma, Hemolysis, and Endocarditis.

    Experienced in Diarrhea

    Michael M. Untch
    Experienced in Diarrhea

    Michael M. Untch

    Medizinisches Zentrum Bonn Friedensplatz

    Bonn, NW, DE 

    Michael Untch practices practicing medicine in Bonn, Germany. Mr. Untch is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Triple-Negative Breast Cancer, HER2 Negative Breast Cancer, Mastectomy, and Salpingo-Oophorectomy.

    Experienced in Diarrhea

    Stefan M. Zimmermann
    Experienced in Diarrhea

    Stefan M. Zimmermann
    Otto Hahn Str. 6, 
    Dortmund, NW, DE 

    Stefan Zimmermann practices practicing medicine in Dortmund, Germany. Mr. Zimmermann is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Methicillin-Resistant Staphylococcus Aureus (MRSA), Sepsis, Frozen Shoulder, Osteotomy, and Tenotomy.

    Experienced in Diarrhea

    Jorg J. Vehreschild
    Experienced in Diarrhea

    Jorg J. Vehreschild
    Koeln, NW, DE 

    Jorg Vehreschild practices practicing medicine in Koeln, Germany. Vehreschild is rated as an Experienced expert by MediFind in the treatment of Diarrhea. They are also highly rated in 10 other conditions, according to our data. Their clinical expertise encompasses Mucormycosis, Aspergillosis, Agranulocytosis, Severe Acute Respiratory Syndrome (SARS), and Bone Marrow Transplant.

    Experienced in Diarrhea

    Carolin F. Manthey
    Experienced in Diarrhea

    Carolin F. Manthey
    Witten, NW, DE 

    Carolin Manthey practices practicing medicine in Witten, Germany. Ms. Manthey is rated as an Experienced expert by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Diarrhea, Viral Gastroenteritis, Colitis, and Hemorrhagic Proctocolitis.

    Experienced in Diarrhea

    Helge W. Karch
    Experienced in Diarrhea

    Helge W. Karch
    Muenster, NW, DE 

    Helge Karch practices practicing medicine in Muenster, Germany. Mr. Karch is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses D-Plus Hemolytic Uremic Syndrome, Hemolytic-Uremic Syndrome, D-Minus Hemolytic Uremic Syndrome, and Thrombocytopenia.

    Experienced in Diarrhea

    Panagiotis Karanis
    Experienced in Diarrhea

    Panagiotis Karanis
    Joseph Stelzmann Street 9, 
    Koeln, NW, DE 

    Panagiotis Karanis practices practicing medicine in Koeln, Germany. Mr. Karanis is rated as an Experienced expert by MediFind in the treatment of Diarrhea. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Giardia Infection, Amebiasis, Toxoplasmosis, and Diarrhea.

    Experienced in Diarrhea

    Frieder Schaumburg
    Experienced in Diarrhea

    Frieder Schaumburg
    Muenster, NW, DE 

    Frieder Schaumburg practices practicing medicine in Muenster, Germany. Schaumburg is rated as an Experienced expert by MediFind in the treatment of Diarrhea. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Methicillin-Resistant Staphylococcus Aureus (MRSA), Waterhouse-Friderichsen Syndrome, Yellow Fever, Hantavirus Infection, and Bone Marrow Transplant.

    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
    Showing 1-20 of 104

    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 in North Rhine-Westphalia, DE?

    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 in North Rhine-Westphalia, DE?

    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 in North Rhine-Westphalia, DE?

    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 in North Rhine-Westphalia, DE?

    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 in North Rhine-Westphalia, DE?

    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 in North Rhine-Westphalia, DE?

    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 in North Rhine-Westphalia, DE?

    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 in North Rhine-Westphalia, DE?

    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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