The 20 Best Common Variable Immune Deficiency Doctors in Japan

Find the Top Common Variable Immune Deficiency Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 141 doctor with experience in Common Variable Immune Deficiency near Japan. Of these, 136 are Experienced, 4 are Advanced and 1 are Distinguished.

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141 providers found
    Distinguished in Common Variable Immune Deficiency
    Distinguished in Common Variable Immune Deficiency
    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 Common Variable Immune Deficiency. He is also highly rated in 41 other conditions, according to our data. His clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Infantile Neutropenia, Primary Immunodeficiency (PID), Bone Marrow Transplant, and Bone Marrow Aspiration.

    Advanced in Common Variable Immune Deficiency
    Advanced in Common Variable Immune Deficiency
    Referral may be required
    Saitama, JP 

    Kohsuke Imai practices practicing medicine in Saitama, Japan. Imai is rated as an Advanced expert by MediFind in the treatment of Common Variable Immune Deficiency. 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.

    Advanced in Common Variable Immune Deficiency
    Advanced in Common Variable Immune Deficiency
    Referral may be required
    Tokyo, JP 

    Hirokazu Kanegane practices practicing medicine in Tokyo, Japan. Kanegane is rated as an Advanced expert by MediFind in the treatment of Common Variable Immune Deficiency. They are also highly rated in 33 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
    Advanced in Common Variable Immune Deficiency
    Advanced in Common Variable Immune Deficiency
    Referral may be required
    Sendai, JP 

    Kunihiko Moriya practices practicing medicine in Sendai, Japan. Moriya is rated as an Advanced expert by MediFind in the treatment of Common Variable Immune Deficiency. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Hoyeraal Hreidarsson Syndrome, X-Linked Agammaglobulinemia, Common Variable Immune Deficiency, and Craniofacial-Deafness-Hand Syndrome.

    Advanced in Common Variable Immune Deficiency
    Advanced in Common Variable Immune Deficiency
    Referral may be required
    Saitama, JP 

    Shigeaki Nonoyama practices practicing medicine in Saitama, Japan. Nonoyama is rated as an Advanced expert by MediFind in the treatment of Common Variable Immune Deficiency. They are also highly rated in 12 other conditions, according to our data. Their clinical expertise encompasses Immunodeficiency with Hyper IgM Type 1, Primary Immunodeficiency (PID), Infantile Neutropenia, and X-Linked Severe Combined Immunodeficiency.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Kobe, JP 

    Naoko Nakatani practices practicing medicine in Kobe, Japan. Ms. Nakatani is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Neuroblastoma, Embryonal Tumor with Multilayered Rosettes, Common Variable Immune Deficiency, and Vitamin B12 Deficiency.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Kobe, JP 

    Akihiro Tamura practices practicing medicine in Kobe, Japan. Mr. Tamura is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses X-Linked Lymphoproliferative Disease, Neuroblastoma, Embryonal Tumor with Multilayered Rosettes, Common Variable Immune Deficiency, and Bone Marrow Transplant.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Tokyo, JP 

    Takahiro Kamiya practices practicing medicine in Tokyo, Japan. Mr. Kamiya is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses IPEX Syndrome, Leukocyte Adhesion Deficiency Type 1, X-Linked Severe Combined Immunodeficiency, Bone Marrow Transplant, and Splenectomy.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Hiroshima, JP 

    Satoshi Okada practices practicing medicine in Hiroshima, Japan. Mr. Okada is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Hyper IgE Syndrome, Autosomal Dominant Hyper IgE Syndrome, Infantile Neutropenia, Ileostomy, and Bone Marrow Transplant.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Kyoto, JP 

    Kazushi Izawa practices practicing medicine in Kyoto, Japan. Izawa is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. They are also highly rated in 15 other conditions, according to our data. Their clinical expertise encompasses Schnitzler Syndrome, Spondyloenchondrodysplasia, Familial Cold Autoinflammatory Syndrome, Neonatal Onset Multisystem Inflammatory Disease, and Liver Transplant.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Saitama, JP 

    Ryusuke Nambu practices practicing medicine in Saitama, Japan. Nambu is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Viral Gastroenteritis, Colitis, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Kanazawa, JP 

    Yusuke Matsuda practices practicing medicine in Kanazawa, Japan. Mr. Matsuda is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. His clinical expertise encompasses Duodenal Atresia, Familial Mediterranean Fever, Dextrocardia with Situs Inversus, and Dextrocardia.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Kobe, JP 

    Yasuhiro Tanaka practices practicing medicine in Kobe, Japan. Mr. Tanaka is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Lymphofollicular Hyperplasia, Chromosome 7p Deletion, Non-Hodgkin Lymphoma, T-Cell Lymphoma, and Bone Marrow Transplant.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Saitama, JP 

    Yoji Uejima practices practicing medicine in Saitama, Japan. Uejima is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Idiopathic Pulmonary Hemosiderosis, Hemosiderosis, Fetal Enterovirus Syndrome, and Lymphadenitis.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Kyoto, JP 

    Ryo Ogino practices practicing medicine in Kyoto, Japan. Mr. Ogino is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. His clinical expertise encompasses Singleton-Merten Syndrome, Common Variable Immune Deficiency, Prostate Cancer, and Intussusception in Children.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Kanazawa, JP 

    Taizo Wada practices practicing medicine in Kanazawa, Japan. Mr. Wada is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Bloom Syndrome, Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Reticulohistiocytoma, and Bone Marrow Transplant.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Saitama, JP 

    Fumi Hirose practices practicing medicine in Saitama, Japan. Ms. Hirose is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. Her clinical expertise encompasses Protein C Deficiency, Common Variable Immune Deficiency, Osteoporosis, Deep Vein Thrombosis, and Hip Replacement.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Yushima, JP 

    Masaki Shimizu practices practicing medicine in Yushima, Japan. Mr. Shimizu is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Juvenile Idiopathic Arthritis (JIA), Arthritis, Juvenile Dermatomyositis, and Kikuchi Disease.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Ebina, JP 

    Yuki Sakai practices practicing medicine in Ebina, Japan. Sakai is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. Their clinical expertise encompasses Common Variable Immune Deficiency.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Hiroshima, JP 

    Miyuki Tsumura practices practicing medicine in Hiroshima, Japan. Ms. Tsumura is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Very Long-Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency, Medium-Chain Acyl-CoA Dehydrogenase Deficiency, Osteomyelitis, and Carnitine Palmitoyltransferase 2 Deficiency.

    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 141

    Last Updated: 11/08/2026

    What is the definition of Common Variable Immune Deficiency?

    Common variable immune deficiency (CVID) is a disorder that impairs the immune system. People with CVID are highly susceptible to infection from foreign invaders such as bacteria, or more rarely, viruses and often develop recurrent infections, particularly in the lungs, sinuses, and ears. Pneumonia is common in people with CVID. Over time, recurrent infections can lead to chronic lung disease. Affected individuals may also experience infection or inflammation of the gastrointestinal tract, which can cause diarrhea and weight loss. Abnormal accumulation of immune cells causes enlarged lymph nodes (lymphadenopathy) or an enlarged spleen (splenomegaly) in some people with CVID. Immune cells can accumulate in other organs, forming small lumps called granulomas.

    When should I see a Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor in Japan?

    You can find a Common Variable Immune Deficiency doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctors in Japan?

    Look for the filter feature on the left side of the Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Common Variable Immune Deficiency 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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