The 20 Best IPEX Syndrome Doctors in Japan

Find the Top IPEX Syndrome Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 41 doctor with experience in IPEX Syndrome near Japan. Of these, 35 are Experienced, 3 are Advanced and 3 are Distinguished.

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41 providers found
    Distinguished in IPEX Syndrome

    Hirokazu Kanegane
    Distinguished in IPEX Syndrome

    Hirokazu Kanegane
    Referral may be required
    Tokyo, JP 

    Hirokazu Kanegane practices practicing medicine in Tokyo, Japan. Kanegane is rated as a Distinguished expert by MediFind in the treatment of IPEX Syndrome. They are also highly rated in 32 other conditions, according to our data. Their clinical expertise encompasses X-Linked Lymphoproliferative Disease, Primary Immunodeficiency (PID), IPEX Syndrome, X-Linked Agammaglobulinemia, and Bone Marrow Transplant.

    Distinguished in IPEX Syndrome

    Ichiro Kobayashi
    Distinguished in IPEX Syndrome

    Ichiro Kobayashi
    Referral may be required
    Sapporo, JP 

    Ichiro Kobayashi practices practicing medicine in Sapporo, Japan. Mr. Kobayashi is rated as a Distinguished expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses IPEX Syndrome, Juvenile Dermatomyositis, Kikuchi Disease, and Dermatomyositis.

    Distinguished in IPEX Syndrome

    Akihiro Hoshino
    Distinguished in IPEX Syndrome

    Akihiro Hoshino
    Referral may be required
    Tokyo, JP 

    Akihiro Hoshino practices practicing medicine in Tokyo, Japan. Mr. Hoshino is rated as a Distinguished expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses IPEX Syndrome, X-Linked Lymphoproliferative Disease, ZAP70-Related Severe Combined Immunodeficiency, Lymphadenectomy, and Endoscopy.

    Learn about our expert tiers
    Advanced in IPEX Syndrome

    Takahiro Kamiya
    Advanced in IPEX Syndrome

    Takahiro Kamiya
    Referral may be required
    Tokyo, JP 

    Takahiro Kamiya practices practicing medicine in Tokyo, Japan. Mr. Kamiya is rated as an Advanced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses IPEX Syndrome, Leukocyte Adhesion Deficiency Type 1, Wandering Spleen, Bone Marrow Transplant, and Splenectomy.

    Advanced in IPEX Syndrome

    Tomohiro Morio
    Advanced in IPEX Syndrome

    Tomohiro Morio
    Referral may be required
    Tokyo, JP 

    Tomohiro Morio practices practicing medicine in Tokyo, Japan. Mr. Morio is rated as an Advanced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Infantile Neutropenia, X-Linked Severe Combined Immunodeficiency, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Advanced in IPEX Syndrome

    Kento Inoue
    Advanced in IPEX Syndrome

    Kento Inoue
    Referral may be required
    Shinjuku, JP 

    Kento Inoue practices practicing medicine in Shinjuku, Japan. Mr. Inoue is rated as an Advanced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses IPEX Syndrome, Cellulitis, Roseola, and Severe Combined Immunodeficiency (SCID).

    Experienced in IPEX Syndrome

    Takeru Yamauchi
    Experienced in IPEX Syndrome

    Takeru Yamauchi
    Referral may be required
    Tsuchiura, JP 

    Takeru Yamauchi practices practicing medicine in Tsuchiura, Japan. Mr. Yamauchi is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Osteopenia, IPEX Syndrome, Linear Nevus Sebaceous Syndrome, Infant Hyperglycemia, and Bone Marrow Transplant.

    Experienced in IPEX Syndrome

    Ken Muramatsu
    Experienced in IPEX Syndrome

    Ken Muramatsu
    Referral may be required
    Sapporo, JP 

    Ken Muramatsu practices practicing medicine in Sapporo, Japan. Mr. Muramatsu is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Bullous Pemphigoid, Mouth Sores, Mouth Ulcers, and Bullae.

    Experienced in IPEX Syndrome

    Daisuke Toyama
    Experienced in IPEX Syndrome

    Daisuke Toyama
    Referral may be required
    Kanagawa, JP 

    Daisuke Toyama practices practicing medicine in Kanagawa, Japan. Mr. Toyama is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. His clinical expertise encompasses IPEX Syndrome, Infantile Neutropenia, Hepatic Venoocclusive Disease with Immunodeficiency, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in IPEX Syndrome

    Takamasa Ito
    Experienced in IPEX Syndrome

    Takamasa Ito
    Referral may be required
    Sapporo, JP 

    Takamasa Ito practices practicing medicine in Sapporo, Japan. Ito is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Bullous Pemphigoid, Bullae, IPEX Syndrome, and Tungiasis.

    Experienced in IPEX Syndrome

    Hiroaki Iwata
    Experienced in IPEX Syndrome

    Hiroaki Iwata
    Referral may be required
    Gifu-shi, JP 

    Hiroaki Iwata practices practicing medicine in Gifu-shi, Japan. Mr. Iwata is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Epidermolysis Bullosa Acquisita, Bullous Pemphigoid, Bullae, and Epidermolysis Bullosa.

    Experienced in IPEX Syndrome

    Hideyuki Ujiie
    Experienced in IPEX Syndrome

    Hideyuki Ujiie
    Referral may be required
    Sapporo, JP 

    Hideyuki Ujiie practices practicing medicine in Sapporo, Japan. Ujiie is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. They are also highly rated in 17 other conditions, according to our data. Their clinical expertise encompasses Bullous Pemphigoid, Bullae, Epidermolysis Bullosa Acquisita, and Pemphigus Vulgaris.

    Experienced in IPEX Syndrome

    Dan Tomomasa
    Experienced in IPEX Syndrome

    Dan Tomomasa
    Referral may be required
    Tokyo, JP 

    Dan Tomomasa practices practicing medicine in Tokyo, Japan. Mr. Tomomasa is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Histiocytosis, and Reticulohistiocytoma.

    Experienced in IPEX Syndrome

    Hiroshi Watarai
    Experienced in IPEX Syndrome

    Hiroshi Watarai
    Referral may be required
    Kanazawa, JP 

    Hiroshi Watarai practices practicing medicine in Kanazawa, Japan. Mr. Watarai is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. His clinical expertise encompasses Cerebral Hypoxia, IPEX Syndrome, Melioidosis, and Autoimmune Hepatitis.

    Experienced in IPEX Syndrome

    Kay Tanita
    Experienced in IPEX Syndrome

    Kay Tanita
    Referral may be required
    Tokyo, JP 

    Kay Tanita practices practicing medicine in Tokyo, Japan. Tanita is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. Their clinical expertise encompasses X-Linked Lymphoproliferative Disease, Mononucleosis, Roseola, and IPEX Syndrome.

    Experienced in IPEX Syndrome

    Shohei Yamamoto
    Experienced in IPEX Syndrome

    Shohei Yamamoto
    Referral may be required
    Isehara, JP 

    Shohei Yamamoto practices practicing medicine in Isehara, Japan. Mr. Yamamoto is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Severe Acute Respiratory Syndrome (SARS), Hepatic Venoocclusive Disease with Immunodeficiency, COVID-19, Bone Marrow Transplant, and Small Bowel Resection.

    Experienced in IPEX Syndrome

    Norihiro Yoshimoto
    Experienced in IPEX Syndrome

    Norihiro Yoshimoto
    Referral may be required
    Sapporo, JP 

    Norihiro Yoshimoto practices practicing medicine in Sapporo, Japan. Yoshimoto is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Bullous Pemphigoid, Lymphangitis, IPEX Syndrome, and Cicatricial Pemphigoid.

    Experienced in IPEX Syndrome

    Masashi Tachibana
    Experienced in IPEX Syndrome

    Masashi Tachibana
    Referral may be required
    Kusatsu, JP 

    Masashi Tachibana practices practicing medicine in Kusatsu, Japan. Mr. Tachibana is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. His clinical expertise encompasses IPEX Syndrome, Neuroendocrine Tumor, Retinoblastoma, and Melanoma.

    Experienced in IPEX Syndrome

    Tadashi Ariga
    Experienced in IPEX Syndrome

    Tadashi Ariga
    Referral may be required
    Sapporo, JP 

    Tadashi Ariga practices practicing medicine in Sapporo, Japan. Mr. Ariga is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Severe Combined Immunodeficiency (SCID), Adenosine Deaminase Deficiency, Cervical Cancer, and Bone Marrow Transplant.

    Experienced in IPEX Syndrome

    Takahisa Miyao
    Experienced in IPEX Syndrome

    Takahisa Miyao
    Referral may be required
    Yokohama, JP 

    Takahisa Miyao practices practicing medicine in Yokohama, Japan. Miyao is rated as an Experienced expert by MediFind in the treatment of IPEX Syndrome. Their clinical expertise encompasses IPEX Syndrome, Autoimmune Polyendocrinopathy-Candidiasis-Ectodermal Dystrophy (APECED), and Autoimmune Polyglandular Syndrome Type 2.

    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 41

    Last Updated: 06/30/2026

    What is the definition of IPEX Syndrome?

    Immune dysregulation, polyendocrinopathy, enteropathy, X-linked (IPEX) syndrome primarily affects males and is caused by problems with the immune system. The immune system normally protects the body from foreign invaders, such as bacteria and viruses, by recognizing and attacking these invaders and clearing them from the body. However, the immune system can malfunction and attack the body's own tissues and organs instead, which is known as autoimmunity. IPEX syndrome is characterized by the development of multiple autoimmune disorders in affected individuals. Although IPEX syndrome can affect many different areas of the body, autoimmune disorders involving the intestines, skin, and hormone-producing (endocrine) glands occur most often. IPEX syndrome can be life-threatening in early childhood.

    When should I see an IPEX Syndrome doctor in Japan?

    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 an IPEX Syndrome doctor in Japan?

    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 IPEX Syndrome doctor in Japan?

    You can find an IPEX Syndrome doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank IPEX Syndrome doctors in Japan?

    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 IPEX Syndrome doctors in Japan?

    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 an IPEX Syndrome doctor in Japan?

    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 IPEX Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different IPEX Syndrome 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 an IPEX Syndrome doctor in Japan?

    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 IPEX Syndrome 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 IPEX Syndrome 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 IPEX Syndrome doctors in Japan?

    Look for the filter feature on the left side of the IPEX Syndrome 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 an IPEX Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the IPEX Syndrome 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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