The 20 Best Omenn Syndrome Doctors in Japan

Find the Top Omenn Syndrome Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 32 doctor with experience in Omenn Syndrome near Japan. Of these, 27 are Experienced, 3 are Advanced and 2 are Distinguished.

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32 providers found
    Distinguished in Omenn Syndrome
    Distinguished in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Toru Uchiyama practices practicing medicine in Tokyo, Japan. Mr. Uchiyama is rated as a Distinguished expert by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses MYH9 Related Thrombocytopenia, Omenn Syndrome, Adenosine Deaminase Deficiency, Bone Marrow Transplant, and Splenectomy.

    Distinguished in Omenn Syndrome
    Distinguished in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Masafumi Onodera practices practicing medicine in Tokyo, Japan. Onodera is rated as a Distinguished expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Chronic Granulomatous Disease, Omenn Syndrome, CHARGE Syndrome, Severe Combined Immunodeficiency (SCID), and Bone Marrow Transplant.

    Advanced in Omenn Syndrome
    Advanced in Omenn Syndrome
    Referral may be required
    Otsu, JP 

    Yukihiro Matsukawa practices practicing medicine in Otsu, Japan. Matsukawa is rated as an Advanced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Omenn Syndrome, Lysinuric Protein Intolerance, Non-Langerhans-Cell Histiocytosis, Reticulohistiocytoma, and Bone Marrow Transplant.

    Learn about our expert tiers
    Advanced in Omenn Syndrome
    Advanced in Omenn Syndrome
    Referral may be required
    Kagoshima, JP 

    Atsuko Ibusuki practices practicing medicine in Kagoshima, Japan. Ms. Ibusuki is rated as an Advanced expert by MediFind in the treatment of Omenn Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Omenn Syndrome, Pemphigoid Gestationis, Platelet Storage Pool Deficiency, and Xanthoma.

    Advanced in Omenn Syndrome
    Advanced in Omenn Syndrome
    Referral may be required
    Kanazawa, JP 

    Akihiro Yachie practices practicing medicine in Kanazawa, Japan. Mr. Yachie is rated as an Advanced expert by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Familial Mediterranean Fever, Juvenile Idiopathic Arthritis (JIA), Hemophagocytic Lymphohistiocytosis, Neonatal Hemochromatosis, and Bone Marrow Transplant.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Kazue Yoshida practices practicing medicine in Tokyo, Japan. Ms. Yoshida is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Cranio Osteoarthropathy, Marie Unna Congenital Hypotrichosis, Pachydermoperiostosis, and Bjornstad Syndrome.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Akira Ishiguro practices practicing medicine in Tokyo, Japan. Ishiguro is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 26 other conditions, according to our data. Their clinical expertise encompasses Protein C Deficiency, MYH9 Related Thrombocytopenia, Kawasaki Disease, Splenectomy, and Bone Marrow Transplant.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Saitama, JP 

    Kohsuke Imai practices practicing medicine in Saitama, Japan. Imai is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 26 other conditions, according to our data. Their clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Primary Immunodeficiency (PID), X-Linked Severe Combined Immunodeficiency, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Kagoshima, JP 

    Takuro Kanekura practices practicing medicine in Kagoshima, Japan. Kanekura is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 10 other conditions, according to our data. Their clinical expertise encompasses Pyoderma Gangrenosum, Schnitzler Syndrome, Adult T-Cell Leukemia, and Cutaneous T-Cell Lymphoma (CTCL).

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Kimikazu Matsumoto practices practicing medicine in Tokyo, Japan. Matsumoto is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 10 other conditions, according to our data. Their clinical expertise encompasses Neuroblastoma, Hepatoblastoma, Embryonal Tumor with Multilayered Rosettes, Bone Marrow Transplant, and Osteotomy.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Ken-ichi Imadome practices practicing medicine in Tokyo, Japan. Mr. Imadome is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Mononucleosis, Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Osaka, JP 

    Kazuyasu Fujii practices practicing medicine in Osaka, Japan. Fujii is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 12 other conditions, according to our data. Their clinical expertise encompasses Cutaneous T-Cell Lymphoma (CTCL), T-Cell Lymphoma, Sezary Syndrome, and Mycosis Fungoides.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Masaki Yamada practices practicing medicine in Tokyo, Japan. Mr. Yamada is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Mononucleosis, Omenn Syndrome, Cytomegalovirus Infection, Liver Transplant, and Bone Marrow Transplant.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Gifu-shi, JP 

    Zenichiro Kato practices practicing medicine in Gifu-shi, Japan. Kato is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. Their clinical expertise encompasses Omenn Syndrome, Severe Combined Immunodeficiency (SCID), Grass Allergy, and Primary Immunodeficiency (PID).

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Hiroshi Masuda practices practicing medicine in Tokyo, Japan. Mr. Masuda is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Kawasaki Disease, Vasculitis, Coronary Artery Aneurysm, and CHARGE Syndrome.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Gifu-shi, JP 

    Hidenori Ohnishi practices practicing medicine in Gifu-shi, Japan. Ohnishi is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 21 other conditions, according to our data. Their clinical expertise encompasses Familial Cold Autoinflammatory Syndrome, Neonatal Onset Multisystem Inflammatory Disease, Muckle-Wells Syndrome, and Cavernous Lymphangioma.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Daisuke Tomizawa practices practicing medicine in Tokyo, Japan. Mr. Tomizawa is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Childhood Acute Myeloid Leukemia, Acute Myeloid Leukemia (AML), Leukemia, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Shizuoka, JP 

    Tsubasa Hiraki practices practicing medicine in Shizuoka, Japan. Mr. Hiraki is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Tieche-Jadassohn Nevus, Acrospiroma, Omenn Syndrome, Vitrectomy, and Mastectomy.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tsukuba, JP 

    Hidetoshi Takada practices practicing medicine in Tsukuba, Japan. Takada is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 21 other conditions, according to our data. Their clinical expertise encompasses Primary Immunodeficiency (PID), Infantile Neutropenia, Baller-Gerold Syndrome, Bone Marrow Transplant, and Colonoscopy.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome
    Referral may be required
    Tokyo, JP 

    Hironori Niizeki practices practicing medicine in Tokyo, Japan. Niizeki is rated as an Experienced expert by MediFind in the treatment of Omenn Syndrome. They are also highly rated in 12 other conditions, according to our data. Their clinical expertise encompasses Cranio Osteoarthropathy, Pachydermoperiostosis, Cutis Gyrata Syndrome, and Hypohidrotic Ectodermal Dysplasia.

    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 32

    Last Updated: 11/08/2026

    What is the definition of Omenn Syndrome?

    Omenn syndrome is an inherited disorder of the immune system (immunodeficiency). Omenn syndrome is one of several forms of severe combined immunodeficiency (SCID), a group of disorders that cause individuals to have virtually no immune protection from bacteria, viruses, and fungi. Individuals with SCID are prone to repeated and persistent infections that can be very serious or life-threatening. Infants with Omenn syndrome typically experience pneumonia and chronic diarrhea. Often the organisms that cause infection in people with this disorder are described as opportunistic because they ordinarily do not cause illness in healthy people.

    When should I see an Omenn 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 Omenn 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 Omenn Syndrome doctor in Japan?

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

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    How does MediFind rank Omenn 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 Omenn 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 Omenn 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 Omenn Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Omenn 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 Omenn 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 Omenn 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 Omenn 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 Omenn Syndrome doctors in Japan?

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

    Look for the filter feature on the left-side of the Omenn 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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