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    Last Updated: 10/30/2025

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    MediFind found 33 doctor with experience in Secondary Immunodeficiency (SID) near North Rhine-Westphalia, DE. Of these, 29 are Experienced and 4 are Advanced.

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    33 providers found
      Advanced in Secondary Immunodeficiency (SID)

      Marcel Reiser
      Advanced in Secondary Immunodeficiency (SID)

      Marcel Reiser
      Richard Wagner Str. 13-17, 
      Koeln, NW, DE 

      Marcel Reiser practices in Koeln, Germany. Mr. Reiser is rated as an Advanced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Atherectomy, and Bone Marrow Transplant.

      Advanced in Secondary Immunodeficiency (SID)

      Petra Langerbeins
      Advanced in Secondary Immunodeficiency (SID)

      Petra Langerbeins
      Koeln, NW, DE 

      Petra Langerbeins practices in Koeln, Germany. Ms. Langerbeins is rated as an Advanced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Small Lymphocytic Lymphoma (SLL), and Leukemia.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Secondary Immunodeficiency (SID)

      Andreas H. Groll
      Advanced in Secondary Immunodeficiency (SID)

      Andreas H. Groll
      Muenster, NW, DE 

      Andreas Groll practices in Muenster, Germany. Mr. Groll is rated as an Advanced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Infantile Neutropenia, Agranulocytosis, Aspergillosis, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Learn about our expert tiers
      Advanced in Secondary Immunodeficiency (SID)

      Ralf Gold
      Advanced in Secondary Immunodeficiency (SID)

      Ralf Gold
      St. Josef Hospital, 
      Bochum, NW, DE 

      Ralf Gold practices in Bochum, Germany. Mr. Gold is rated as an Advanced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Multiple Sclerosis (MS), CACH Syndrome, Progressive Multifocal Leukoencephalopathy, Chronic Inflammatory Demyelinating Polyneuropathy, and Thrombectomy.

      Michael J. Hallek
      Experienced in Secondary Immunodeficiency (SID)

      Michael J. Hallek
      Experienced in Secondary Immunodeficiency (SID)

      Michael J. Hallek
      Kerpener Street 62, 
      Koeln, NW, DE 

      Michael Hallek practices in Koeln, Germany. Mr. Hallek is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Leukemia, Prolymphocytic Leukemia, and Bone Marrow Transplant.

      Experienced in Secondary Immunodeficiency (SID)

      Gregor Duckers
      Experienced in Secondary Immunodeficiency (SID)

      Gregor Duckers
      Krefeld, NW, DE 

      Gregor Duckers practices in Krefeld, Germany. Mr. Duckers is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Autosomal Dominant Hyper IgE Syndrome, Hyper IgE Syndrome, Secondary Immunodeficiency (SID), Severe Combined Immunodeficiency (SCID), and Bone Marrow Transplant.

      Experienced in Secondary Immunodeficiency (SID)

      Fabian Szepanowski
      Experienced in Secondary Immunodeficiency (SID)

      Fabian Szepanowski
      Essen, NW, DE 

      Fabian Szepanowski practices in Essen, Germany. Mr. Szepanowski is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Chronic Inflammatory Demyelinating Polyneuropathy, Secondary Immunodeficiency (SID), Chronic Polyradiculoneuritis, and Mononeuritis Multiplex.

      Experienced in Secondary Immunodeficiency (SID)

      Thorsten T. Persigehl
      Experienced in Secondary Immunodeficiency (SID)

      Thorsten T. Persigehl
      Kerpener Str. 62, 
      Koeln, NW, DE 

      Thorsten Persigehl practices in Koeln, Germany. Persigehl is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). Their top areas of expertise are Lung Cancer, B-Cell Lymphoma, Pneumonia, Siderosis, and Thrombectomy.

      Experienced in Secondary Immunodeficiency (SID)

      Boris Boll
      Experienced in Secondary Immunodeficiency (SID)

      Boris Boll
      Kerpener Str. 62, 
      Koeln, NW, DE 

      Boris Boll practices in Koeln, Germany. Mr. Boll is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Hodgkin Lymphoma, Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL), Classical Hodgkin Lymphoma, Sepsis, and Bone Marrow Transplant.

      Experienced in Secondary Immunodeficiency (SID)

      Markus Kerkmann
      Experienced in Secondary Immunodeficiency (SID)

      Markus Kerkmann
      Muenster, NW, DE 

      Markus Kerkmann practices in Muenster, Germany. Mr. Kerkmann is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Febrile Neutropenia, Ovarian Cancer, Secondary Immunodeficiency (SID), Agranulocytosis, and Lymphadenectomy.

      Experienced in Secondary Immunodeficiency (SID)

      Florian Kipfmueller
      Experienced in Secondary Immunodeficiency (SID)

      Florian Kipfmueller
      Sigmund Freud Str. 25, 
      Bonn, NW, DE 

      Florian Kipfmueller practices in Bonn, Germany. Mr. Kipfmueller is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Congenital Diaphragmatic Hernia, Diaphragmatic Hernia, High Blood Pressure in Infants, and Hernia.

      Experienced in Secondary Immunodeficiency (SID)

      Philipp P. Koehler
      Experienced in Secondary Immunodeficiency (SID)

      Philipp P. Koehler
      Kerpener Str. 62, 
      Koeln, NW, DE 

      Philipp Koehler practices in Koeln, Germany. Mr. Koehler is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Mucormycosis, Aspergillosis, COVID-19, Bone Marrow Transplant, and Endoscopy.

      Experienced in Secondary Immunodeficiency (SID)

      Tamina Nukpezah-Seeger
      Experienced in Secondary Immunodeficiency (SID)

      Tamina Nukpezah-Seeger
      Kerpener Str. 62, 
      Koeln, NW, DE 

      Tamina Nukpezah-Seeger practices in Koeln, Germany. Ms. Nukpezah-Seeger is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Polycystic Kidney Disease, Autosomal Dominant Polycystic Kidney Disease, Secondary Immunodeficiency (SID), and Chronic Lymphocytic Leukemia (CLL).

      Experienced in Secondary Immunodeficiency (SID)

      Thorsten Brenner
      Experienced in Secondary Immunodeficiency (SID)

      Thorsten Brenner
      Essen, NW, DE 

      Thorsten Brenner practices in Essen, Germany. Mr. Brenner is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Sepsis, COVID-19, Severe Acute Respiratory Syndrome (SARS), Hepato-Pancreato-Biliary Surgery, and Liver Transplant.

      Experienced in Secondary Immunodeficiency (SID)

      Clemens Warnke
      Experienced in Secondary Immunodeficiency (SID)

      Clemens Warnke
      Kerpener Str. 62, 
      Koeln, NW, DE 

      Clemens Warnke practices in Koeln, Germany. Mr. Warnke is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are CACH Syndrome, Progressive Multifocal Leukoencephalopathy, Encephalitis, and Multiple Sclerosis (MS).

      Experienced in Secondary Immunodeficiency (SID)

      Jan Rossaint
      Experienced in Secondary Immunodeficiency (SID)

      Jan Rossaint
      Muenster, NW, DE 

      Jan Rossaint practices in Muenster, Germany. Rossaint is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). Their top areas of expertise are Sepsis, Pneumonia, Secondary Immunodeficiency (SID), and Secondary Peritonitis.

      Experienced in Secondary Immunodeficiency (SID)

      Matthias Kochanek
      Experienced in Secondary Immunodeficiency (SID)

      Matthias Kochanek
      Kerpener Str. 62, 
      Koeln, NW, DE 

      Matthias Kochanek practices in Koeln, Germany. Mr. Kochanek is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Sepsis, Aspergillosis, Acute Respiratory Distress Syndrome (ARDS), Agranulocytosis, and Bone Marrow Transplant.

      Experienced in Secondary Immunodeficiency (SID)

      Lukas P. Degen
      Experienced in Secondary Immunodeficiency (SID)

      Lukas P. Degen
      Bonn, NW, DE 

      Lukas Degen practices in Bonn, Germany. Mr. Degen is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Complement Component 2 Deficiency, Esophagitis, Eosinophilic Esophagitis, Lymphangiectasis, and Endoscopy.

      Experienced in Secondary Immunodeficiency (SID)

      Moritz Furstenau
      Experienced in Secondary Immunodeficiency (SID)

      Moritz Furstenau
      Koeln, NW, DE 

      Moritz Furstenau practices in Koeln, Germany. Mr. Furstenau is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Small Lymphocytic Lymphoma (SLL), Leukemia, and Bone Marrow Transplant.

      Experienced in Secondary Immunodeficiency (SID)

      Helmut Wittkowski
      Experienced in Secondary Immunodeficiency (SID)

      Helmut Wittkowski
      Muenster, NW, DE 

      Helmut Wittkowski practices in Muenster, Germany. Mr. Wittkowski is rated as an Experienced expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Familial Mediterranean Fever, Juvenile Idiopathic Arthritis (JIA), Munchausen Syndrome by Proxy, and Lymphadenitis.

      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 33

      Last Updated: 10/30/2025

      When should I see a Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) doctor in North Rhine-Westphalia, DE?

      You can find a Secondary Immunodeficiency (SID) doctor in any of the 10 largest U.S. cities by clicking below:

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      How does MediFind rank Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) doctor search results page. 

      Why is it important to get a second opinion from a different Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) doctors in North Rhine-Westphalia, DE?

      Look for the filter feature on the left side of the Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) doctor that offers video calls?

      Look for the filter feature on the left-side of the Secondary Immunodeficiency (SID) 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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