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    Last Updated: 01/09/2026

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    MediFind found 37 doctor with experience in Mast Cell Activation Syndrome (MCAS) near North Rhine-Westphalia, DE. Of these, 24 are Experienced, 9 are Advanced, 3 are Distinguished and 1 are Elite.

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    37 providers found
      Elite in Mast Cell Activation Syndrome (MCAS)

      Jens P. Panse
      Elite in Mast Cell Activation Syndrome (MCAS)

      Jens P. Panse
      Aachen, NW, DE 

      Jens Panse practices in Aachen, Germany. Mr. Panse is rated as an Elite expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Paroxysmal Cold Hemoglobinuria, Paroxysmal Nocturnal Hemoglobinuria (PNH), Hemolysis, Systemic Mastocytosis, and Bone Marrow Transplant.

      Distinguished in Mast Cell Activation Syndrome (MCAS)

      Gerhard J. Molderings
      Distinguished in Mast Cell Activation Syndrome (MCAS)

      Gerhard J. Molderings
      Sigmund Freud Str. 25, 
      Bonn, NW, DE 

      Gerhard Molderings practices in Bonn, Germany. Mr. Molderings is rated as a Distinguished expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, Restless Legs Syndrome, and Serum Sickness.

      Distinguished in Mast Cell Activation Syndrome (MCAS)

      Harald J. Herrmann
      Distinguished in Mast Cell Activation Syndrome (MCAS)

      Harald J. Herrmann
      Warburger Str. 100, 
      Paderborn, NW, DE 

      Harald Herrmann practices in Paderborn, Germany. Mr. Herrmann is rated as a Distinguished expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Chronic Myelogenous Leukemia (CML), Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Myofibrillar Myopathy, and Gastrostomy.

      Learn about our expert tiers
      Distinguished in Mast Cell Activation Syndrome (MCAS)

      Anja Illerhaus
      Distinguished in Mast Cell Activation Syndrome (MCAS)

      Anja Illerhaus
      Koeln, NW, DE 

      Anja Illerhaus practices in Koeln, Germany. Ms. Illerhaus is rated as a Distinguished expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, Enlarged Liver, and Splenomegaly.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Deborah Christen
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Deborah Christen
      Aachen, NW, DE 

      Deborah Christen practices in Aachen, Germany. Ms. Christen is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Lambert-Eaton Syndrome, Acute Myeloid Leukemia (AML), and Bone Marrow Transplant.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Jurgen M. Homann
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Jurgen M. Homann
      Bonn, NW, DE 

      Jurgen Homann practices in Bonn, Germany. Homann is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Their top areas of expertise are Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, and Serum Sickness.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Britta Haenisch
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Britta Haenisch
      Kurt Georg Kiesinger Allee 3, 
      Bonn, NW, DE 

      Britta Haenisch practices in Bonn, Germany. Ms. Haenisch is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, Dementia, and Schizophrenia.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Martin Mucke
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Martin Mucke
      Sigmund Freud Str. 25, 53127, 
      Bonn, NW, DE 

      Martin Mucke practices in Bonn, Germany. Mr. Mucke is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Acute Pain, Mast Cell Activation Syndrome (MCAS), Chronic Pain, and Systemic Mastocytosis.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Anja Rabenhorst
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Anja Rabenhorst
      Kerpener Str. 62, 
      Koeln, NW, DE 

      Anja Rabenhorst practices in Koeln, Germany. Ms. Rabenhorst is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Mast Cell Activation Syndrome (MCAS), Urticaria Pigmentosa, Systemic Mastocytosis, and Hives.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Hans-jorg J. Hertfelder
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Hans-jorg J. Hertfelder
      Bonn, NW, DE 

      Hans-jorg Hertfelder practices in Bonn, Germany. Hertfelder is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Their top areas of expertise are Mast Cell Activation Syndrome (MCAS), Heyde Syndrome, Serum Sickness, and Von Willebrand Disease (VWD).

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Steffen Koschmieder
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Steffen Koschmieder
      Aachen, NW, DE 

      Steffen Koschmieder practices in Aachen, Germany. Mr. Koschmieder is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Myeloproliferative Neoplasms (MPN), Myelofibrosis, Polycythemia Vera, Essential Thrombocythemia, and Bone Marrow Transplant.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Tim H. Brummendorf
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Tim H. Brummendorf
      Aachen, NW, DE 

      Tim Brummendorf practices in Aachen, Germany. Mr. Brummendorf is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Chronic Myelogenous Leukemia (CML), Dyskeratosis Congenita, Leukemia, Myeloproliferative Neoplasms (MPN), and Bone Marrow Transplant.

      Advanced in Mast Cell Activation Syndrome (MCAS)

      Martin Zenke
      Advanced in Mast Cell Activation Syndrome (MCAS)

      Martin Zenke
      Aachen, NW, DE 

      Martin Zenke practices in Aachen, Germany. Mr. Zenke is rated as an Advanced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Myeloproliferative Neoplasms (MPN), Merkel Cell Carcinoma, Systemic Mastocytosis, and Erythromelalgia.

      Experienced in Mast Cell Activation Syndrome (MCAS)

      Marcelo S. Toledo
      Experienced in Mast Cell Activation Syndrome (MCAS)

      Marcelo S. Toledo
      Aachen, NW, DE 

      Marcelo Toledo practices in Aachen, Germany. Toledo is rated as an Experienced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Their top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Polycythemia Vera, and Myeloproliferative Neoplasms (MPN).

      Experienced in Mast Cell Activation Syndrome (MCAS)

      Holger Seidel
      Experienced in Mast Cell Activation Syndrome (MCAS)

      Holger Seidel
      Bonn, NW, DE 

      Holger Seidel practices in Bonn, Germany. Mr. Seidel is rated as an Experienced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Protein C Deficiency, Blood Clots, and Von Willebrand Disease (VWD).

      Experienced in Mast Cell Activation Syndrome (MCAS)

      Nicolas Chatain
      Experienced in Mast Cell Activation Syndrome (MCAS)

      Nicolas Chatain
      Aachen, NW, DE 

      Nicolas Chatain practices in Aachen, Germany. Mr. Chatain is rated as an Experienced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Myeloproliferative Neoplasms (MPN), Polycythemia Vera, Myelofibrosis, and Essential Thrombocythemia.

      Experienced in Mast Cell Activation Syndrome (MCAS)

      Bernd Sido
      Experienced in Mast Cell Activation Syndrome (MCAS)

      Bernd Sido

      Gemeinschaftskrankenhaus Bonn

      Bonn, NW, DE 

      Bernd Sido practices in Bonn, Germany. Mr. Sido is rated as an Experienced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, Serum Sickness, and Endoscopy.

      Experienced in Mast Cell Activation Syndrome (MCAS)

      Rupert Conrad
      Experienced in Mast Cell Activation Syndrome (MCAS)

      Rupert Conrad
      Sigmund Freud Str. 25, 
      Bonn, NW, DE 

      Rupert Conrad practices in Bonn, Germany. Mr. Conrad is rated as an Experienced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Acute Pain, Uterine Fibroids, Major Depression, Mast Cell Activation Syndrome (MCAS), and Liver Transplant.

      Experienced in Mast Cell Activation Syndrome (MCAS)

      Franz L. Dumoulin
      Experienced in Mast Cell Activation Syndrome (MCAS)

      Franz L. Dumoulin

      Gemeinschaftskrankenhaus Bonn

      Bonn, NW, DE 

      Franz Dumoulin practices in Bonn, Germany. Mr. Dumoulin is rated as an Experienced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Barrett Esophagus, Serum Sickness, Mast Cell Activation Syndrome (MCAS), Endoscopy, and Colonoscopy.

      Experienced in Mast Cell Activation Syndrome (MCAS)

      Julia Sellin
      Experienced in Mast Cell Activation Syndrome (MCAS)

      Julia Sellin
      Aachen, NW, DE 

      Julia Sellin practices in Aachen, Germany. Ms. Sellin is rated as an Experienced expert by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Mast Cell Activation Syndrome (MCAS), Ehlers-Danlos Syndrome (EDS), Facioscapulohumeral Muscular Dystrophy (FSHD), and Systemic Mastocytosis.

      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 37

      Last Updated: 01/09/2026

      What is the definition of Mast Cell Activation Syndrome (MCAS)?

      Mast cell activation syndrome (MCAS) causes a person to have repeated severe allergy symptoms affecting several body systems. In MCAS, mast cells mistakenly release too many chemical agents, resulting in symptoms in the skin, gastrointestinal tract, heart, respiratory, and neurologic systems. Mast cells are present throughout most of our bodies and secrete different chemicals during allergic reactions. Symptoms include episodes of abdominal pain, cramping, diarrhea, flushing, itching, wheezing, coughing, lightheadedness and rapid pulse and low blood pressure. Symptoms can start at any age, but usually begin in adulthood. The cause of MCAS is unknown. Diagnosis is based on the symptoms, clinical exam, and specific laboratory testing. Other conditions may need to be excluded before MCAS can be diagnosed.

      When should I see a Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) doctor in North Rhine-Westphalia, DE?

      You can find a Mast Cell Activation Syndrome (MCAS) doctor in any of the 10 largest U.S. cities by clicking below:

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      How does MediFind rank Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) doctor search results page. 

      Why is it important to get a second opinion from a different Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) doctors in North Rhine-Westphalia, DE?

      Look for the filter feature on the left side of the Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) doctor that offers video calls?

      Look for the filter feature on the left-side of the Mast Cell Activation Syndrome (MCAS) 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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