The 20 Best Severe Combined Immunodeficiency (SCID) Doctors in Japan

Find the Top Severe Combined Immunodeficiency (SCID) Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 199 doctor with experience in Severe Combined Immunodeficiency (SCID) near Japan. Of these, 168 are Experienced, 27 are Advanced and 4 are Distinguished.

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199 providers found
    Distinguished in Severe Combined Immunodeficiency (SCID)

    Tomohiro Morio
    Distinguished in Severe Combined Immunodeficiency (SCID)

    Tomohiro Morio
    Referral may be required
    Tokyo, JP 

    Tomohiro Morio practices practicing medicine in Tokyo, Japan. Mr. Morio is rated as a Distinguished expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). 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.

    Distinguished in Severe Combined Immunodeficiency (SCID)

    Kohsuke Imai
    Distinguished in Severe Combined Immunodeficiency (SCID)

    Kohsuke Imai
    Referral may be required
    Saitama, JP 

    Kohsuke Imai practices practicing medicine in Saitama, Japan. Imai is rated as a Distinguished expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). 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.

    Distinguished in Severe Combined Immunodeficiency (SCID)

    Hirokazu Kanegane
    Distinguished in Severe Combined Immunodeficiency (SCID)

    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 Severe Combined Immunodeficiency (SCID). 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.

    Learn about our expert tiers
    Distinguished in Severe Combined Immunodeficiency (SCID)

    Toru Uchiyama
    Distinguished in Severe Combined Immunodeficiency (SCID)

    Toru Uchiyama
    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 Severe Combined Immunodeficiency (SCID). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses MYH9 Related Thrombocytopenia, Chronic Granulomatous Disease, Omenn Syndrome, Bone Marrow Transplant, and Splenectomy.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Osamu Ohara
    Advanced in Severe Combined Immunodeficiency (SCID)

    Osamu Ohara
    Referral may be required
    Kisarazu, JP 

    Osamu Ohara practices practicing medicine in Kisarazu, Japan. Mr. Ohara is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Neonatal Onset Multisystem Inflammatory Disease, Muckle-Wells Syndrome, Familial Cold Autoinflammatory Syndrome, Griscelli Syndrome, and Bone Marrow Transplant.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Satoshi Miyamoto
    Advanced in Severe Combined Immunodeficiency (SCID)

    Satoshi Miyamoto
    Referral may be required
    Tokyo, JP 

    Satoshi Miyamoto practices practicing medicine in Tokyo, Japan. Mr. Miyamoto is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Hemophagocytic Lymphohistiocytosis, Graft Versus Host Disease (GvHD), Thrombectomy, and Bone Marrow Transplant.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Masafumi D. Yamada
    Advanced in Severe Combined Immunodeficiency (SCID)

    Masafumi D. Yamada
    Referral may be required
    Ebetsu, JP 

    Masafumi Yamada practices practicing medicine in Ebetsu, Japan. Yamada is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Poststreptococcal Glomerulonephritis, Pulmonary Alveolar Proteinosis, and Osteomyelitis in Children.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Satoshi Okada
    Advanced in Severe Combined Immunodeficiency (SCID)

    Satoshi Okada
    Referral may be required
    Hiroshima, JP 

    Satoshi Okada practices practicing medicine in Hiroshima, Japan. Mr. Okada is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Hyper IgE Syndrome, Autosomal Dominant Hyper IgE Syndrome, Infantile Neutropenia, Bone Marrow Transplant, and Splenectomy.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Ryusuke Nakatsuka
    Advanced in Severe Combined Immunodeficiency (SCID)

    Ryusuke Nakatsuka
    Referral may be required
    Osaka, JP 

    Ryusuke Nakatsuka practices practicing medicine in Osaka, Japan. Nakatsuka is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Severe Combined Immunodeficiency (SCID) and Parathyroid Hyperplasia.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Yoshikazu Matsuoka
    Advanced in Severe Combined Immunodeficiency (SCID)

    Yoshikazu Matsuoka
    Referral may be required
    Okayama, JP 

    Yoshikazu Matsuoka practices practicing medicine in Okayama, Japan. Mr. Matsuoka is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Neuralgia, Parathyroid Hyperplasia, and Ganglion Cyst.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Tadashi Ariga
    Advanced in Severe Combined Immunodeficiency (SCID)

    Tadashi Ariga
    Referral may be required
    Sapporo, JP 

    Tadashi Ariga practices practicing medicine in Sapporo, Japan. Mr. Ariga is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). 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.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Motoi Yamashita
    Advanced in Severe Combined Immunodeficiency (SCID)

    Motoi Yamashita
    Referral may be required
    Yokohama, JP 

    Motoi Yamashita practices practicing medicine in Yokohama, Japan. Yamashita is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Leukocyte Adhesion Deficiency Type 1, X-Linked Severe Combined Immunodeficiency, Severe Combined Immunodeficiency (SCID), and Congenital Generalized Fibromatosis.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Tsubasa Okano
    Advanced in Severe Combined Immunodeficiency (SCID)

    Tsubasa Okano
    Referral may be required
    Tokyo, JP 

    Tsubasa Okano practices practicing medicine in Tokyo, Japan. Mr. Okano is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses X-Linked Severe Combined Immunodeficiency, Primary Immunodeficiency (PID), Activated PI3K Delta Syndrome (APDS), Severe Combined Immunodeficiency (SCID), and Bone Marrow Transplant.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Masafumi Onodera
    Advanced in Severe Combined Immunodeficiency (SCID)

    Masafumi Onodera
    Referral may be required
    Setagaya, JP 

    Masafumi Onodera practices practicing medicine in Setagaya, Japan. Onodera is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Chronic Granulomatous Disease, Omenn Syndrome, CHARGE Syndrome, Mucopolysaccharidosis Type 2 (MPS II, Hunter Syndrome), and Bone Marrow Transplant.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Masatoshi Takagi
    Advanced in Severe Combined Immunodeficiency (SCID)

    Masatoshi Takagi
    Referral may be required
    Tokyo, JP 

    Masatoshi Takagi practices practicing medicine in Tokyo, Japan. Mr. Takagi is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Ataxia-Telangiectasia, Acute Lymphoblastic Leukemia (ALL), Leukemia, Bone Marrow Transplant, and Splenectomy.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Dan Tomomasa
    Advanced in Severe Combined Immunodeficiency (SCID)

    Dan Tomomasa
    Referral may be required
    Tokyo, JP 

    Dan Tomomasa practices practicing medicine in Tokyo, Japan. Mr. Tomomasa is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). 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.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Yoji Sasahara
    Advanced in Severe Combined Immunodeficiency (SCID)

    Yoji Sasahara
    Referral may be required
    JP 

    Yoji Sasahara practices practicing medicine in Japan. Sasahara is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). They are also highly rated in 9 other conditions, according to our data. Their clinical expertise encompasses Acquired Amegakaryocytic Thrombocytopenia, Wiskott-Aldrich Syndrome, Pure Red Cell Aplasia, Bone Marrow Transplant, and Lung Transplant.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Hidetoshi Takada
    Advanced in Severe Combined Immunodeficiency (SCID)

    Hidetoshi Takada
    Referral may be required
    Tsukuba, JP 

    Hidetoshi Takada practices practicing medicine in Tsukuba, Japan. Takada is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). They are also highly rated in 22 other conditions, according to our data. Their clinical expertise encompasses Primary Immunodeficiency (PID), Infantile Neutropenia, Wiskott-Aldrich Syndrome, Bone Marrow Transplant, and Colonoscopy.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Tomonari Shigemura
    Advanced in Severe Combined Immunodeficiency (SCID)

    Tomonari Shigemura
    Referral may be required
    Matsumoto, JP 

    Tomonari Shigemura practices practicing medicine in Matsumoto, Japan. Shigemura is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Chronic Granulomatous Disease, X-Linked Severe Combined Immunodeficiency, ICF Syndrome, Infantile Neutropenia, and Bone Marrow Transplant.

    Advanced in Severe Combined Immunodeficiency (SCID)

    Masami Inoue
    Advanced in Severe Combined Immunodeficiency (SCID)

    Masami Inoue
    Referral may be required
    J Oil Mills, 
    Tokyo, JP 

    Masami Inoue practices practicing medicine in Tokyo, Japan. Mr. Inoue is rated as an Advanced expert by MediFind in the treatment of Severe Combined Immunodeficiency (SCID). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Leukemia, Acute Lymphoblastic Leukemia (ALL), Histiocytosis, 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 199

    Last Updated: 06/30/2026

    What is the definition of Severe Combined Immunodeficiency (SCID)?

    Severe combined immunodeficiencies (SCID) are inherited immune system disorders characterized by abnormalities with responses of both T cells and B cells (specific types of white blood cells needed for immune system function). Common signs and symptoms include an increased susceptibility to infections including ear infections; pneumonia or bronchitis; oral thrush; and diarrhea. Due to recurrent infections, children with SCID do not grow and gain weight as expected (failure to thrive). SCID may be caused by genetic changes in any of several genes and can be inherited in an X-linked recessive (most commonly) or autosomal recessive manner. The most common type of SCID is called X-linked Severe combined immunodeficiency (XSCID). Another form of SCID is caused by a deficiency of the enzyme adenosine deaminase (ADA).

    When should I see a Severe Combined Immunodeficiency (SCID) 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 a Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) doctor in Japan?

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

    Severe Combined Immunodeficiency (SCID) doctor near New York, NY
    Severe Combined Immunodeficiency (SCID) doctor near Los Angeles, CA
    Severe Combined Immunodeficiency (SCID) doctor near Chicago, IL
    Severe Combined Immunodeficiency (SCID) doctor near Houston, TX
    Severe Combined Immunodeficiency (SCID) doctor near Phoenix, AZ
    Severe Combined Immunodeficiency (SCID) doctor near Philadelphia, PA
    Severe Combined Immunodeficiency (SCID) doctor near Atlanta, GA
    Severe Combined Immunodeficiency (SCID) doctor near Boston, MA
    Severe Combined Immunodeficiency (SCID) doctor near Dallas, TX
    Severe Combined Immunodeficiency (SCID) doctor near San Jose, CA

    How does MediFind rank Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) 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 a Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) doctor search results page. 

    Why is it important to get a second opinion from a different Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) doctors in Japan?

    Look for the filter feature on the left side of the Severe Combined Immunodeficiency (SCID) 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 Severe Combined Immunodeficiency (SCID) doctor that offers video calls?

    Look for the filter feature on the left-side of the Severe Combined Immunodeficiency (SCID) 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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