The 20 Best Activated PI3K Delta Syndrome (APDS) Doctors in Japan

Find the Top Activated PI3K Delta Syndrome (APDS) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 13 doctor with experience in Activated PI3K Delta Syndrome (APDS) near Japan. Of these, 13 are Experienced.

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13 providers found
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Tsubasa Okano
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Tsubasa Okano
    Tokyo, JP 

    Tsubasa Okano practices in Tokyo, Japan. Mr. Okano is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His top areas of expertise are Primary Immunodeficiency (PID), X-Linked Severe Combined Immunodeficiency, Severe Combined Immunodeficiency (SCID), X-Linked Lymphoproliferative Disease, and Bone Marrow Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Tomohiro Morio
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Tomohiro Morio
    Tokyo, JP 

    Tomohiro Morio practices in Tokyo, Japan. Mr. Morio is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His top areas of expertise are Infantile Neutropenia, Severe Combined Immunodeficiency (SCID), Primary Immunodeficiency (PID), Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kohsuke Imai
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kohsuke Imai
    Saitama, JP 

    Kohsuke Imai practices in Saitama, Japan. Imai is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their top areas of expertise are Severe Combined Immunodeficiency (SCID), Primary Immunodeficiency (PID), X-Linked Severe Combined Immunodeficiency, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Learn about our expert tiers
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Takahiro Kamiya
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Takahiro Kamiya
    Tokyo, JP 

    Takahiro Kamiya practices in Tokyo, Japan. Mr. Kamiya is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His top areas of expertise are IPEX Syndrome, Leukocyte Adhesion Deficiency Type 1, Wandering Spleen, Bone Marrow Transplant, and Splenectomy.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Hidenori Ohnishi
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Hidenori Ohnishi
    Gifu-shi, JP 

    Hidenori Ohnishi practices in Gifu-shi, Japan. Ohnishi is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their top areas of expertise are Cavernous Lymphangioma, Baller-Gerold Syndrome, Ectodermal Dysplasias, and Clouston Syndrome.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Akira Nishimura
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Akira Nishimura
    Tokyo, JP 

    Akira Nishimura practices in Tokyo, Japan. Nishimura is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their top areas of expertise are X-Linked Agammaglobulinemia, RUNX1 Familial Platelet Disorder, Chromosome 7p Deletion, Togaviridae Disease, and Bone Marrow Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Takako Miyamura
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Takako Miyamura
    Suita, JP 

    Takako Miyamura practices in Suita, Japan. Ms. Miyamura is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Her top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Leukemia, Adenosine Deaminase Deficiency, Childhood Acute Myeloid Leukemia, and Bone Marrow Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Takeshi Isoda
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Takeshi Isoda
    Tokyo, JP 

    Takeshi Isoda practices in Tokyo, Japan. Mr. Isoda is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His top areas of expertise are Hemolytic Crisis, Hemophagocytic Lymphohistiocytosis, Aase Syndrome, X-Linked Lymphoproliferative Disease, and Bone Marrow Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kunihiko Moriya
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kunihiko Moriya
    Saitama, JP 

    Kunihiko Moriya practices in Saitama, Japan. Moriya is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their top areas of expertise are Hoyeraal Hreidarsson Syndrome, X-Linked Agammaglobulinemia, Dyskeratosis Congenita, and Prothrombin Deficiency.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Akihiro Hoshino
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Akihiro Hoshino
    Tokyo, JP 

    Akihiro Hoshino practices in Tokyo, Japan. Mr. Hoshino is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His top areas of expertise are IPEX Syndrome, X-Linked Lymphoproliferative Disease, ZAP70-Related Severe Combined Immunodeficiency, Lymphadenectomy, and Endoscopy.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kaori Kanda
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kaori Kanda
    Gifu-shi, JP 

    Kaori Kanda practices in Gifu-shi, Japan. Ms. Kanda is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Her top areas of expertise are Hemangioendothelioma, Kikuchi Disease, Hemangioma, and Hemangioma Thrombocytopenia Syndrome.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Keisuke Okuno
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Keisuke Okuno
    Yonago, JP 

    Keisuke Okuno practices in Yonago, Japan. Mr. Okuno is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His top areas of expertise are Kimura Disease, Mononucleosis, Hajdu-Cheney Syndrome, and Hereditary Sensory and Autonomic Neuropathy Type 2.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Yuichiro Otsuka
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Yuichiro Otsuka
    Omorinaka, JP 

    Yuichiro Otsuka practices in Omorinaka, Japan. Otsuka is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their top areas of expertise are Liver Cancer, Insomnia, Excessive Daytime Sleepiness, Hepatectomy, and Hepato-Pancreato-Biliary Surgery.

    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 1-13 of 13

    Last Updated: 04/28/2026

    What is the definition of Activated PI3K Delta Syndrome (APDS)?

    Activated PI3K-delta syndrome (also known as APDS) is a disorder that impairs the immune system. Individuals with this condition often have low numbers of white blood cells (lymphopenia), particularly B cells and T cells. Normally, these cells recognize and attack foreign invaders, such as viruses and bacteria, to prevent infection. The severity of activated PI3K-delta syndrome varies widely. Some people may have multiple, severe infections while others show mild symptoms to none at all.

    When should I see an Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) doctor in Japan?

    You can find an Activated PI3K Delta Syndrome (APDS) doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) doctor search results page. 

    Why is it important to get a second opinion from a different Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) doctors in Japan?

    Look for the filter feature on the left side of the Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) doctor that offers video calls?

    Look for the filter feature on the left-side of the Activated PI3K Delta Syndrome (APDS) 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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