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    Last Updated: 02/22/2026

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    MediFind found 17 doctor with experience in Hemophagocytic Lymphohistiocytosis near Nagano, JP. Of these, 11 are Experienced, 3 are Advanced and 3 are Distinguished.

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    17 providers found
      Distinguished in Hemophagocytic Lymphohistiocytosis

      Kenichi Sakamoto
      Distinguished in Hemophagocytic Lymphohistiocytosis

      Kenichi Sakamoto
      Matsumoto, JP 

      Kenichi Sakamoto practices in Matsumoto, Japan. Mr. Sakamoto is rated as a Distinguished expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. His top areas of expertise are Histiocytosis, Reticulohistiocytoma, Langerhans Cell Histiocytosis, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Distinguished in Hemophagocytic Lymphohistiocytosis

      Yozo Nakazawa
      Distinguished in Hemophagocytic Lymphohistiocytosis

      Yozo Nakazawa
      Matsumoto, JP 

      Yozo Nakazawa practices in Matsumoto, Japan. Nakazawa is rated as a Distinguished expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Reticulohistiocytoma, Bone Marrow Transplant, and Thrombectomy.

      Distinguished in Hemophagocytic Lymphohistiocytosis

      Ryu Yanagisawa
      Distinguished in Hemophagocytic Lymphohistiocytosis

      Ryu Yanagisawa
      Matsumoto, JP 

      Ryu Yanagisawa practices in Matsumoto, Japan. Mr. Yanagisawa is rated as a Distinguished expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. His top areas of expertise are Hemolytic Transfusion Reaction, Hemophagocytic Lymphohistiocytosis, Reticulohistiocytoma, Bone Marrow Transplant, and Angioplasty.

      Learn about our expert tiers
      Advanced in Hemophagocytic Lymphohistiocytosis

      Eri Okura
      Advanced in Hemophagocytic Lymphohistiocytosis

      Eri Okura
      Matsumoto, JP 

      Eri Okura practices in Matsumoto, Japan. Okura is rated as an Advanced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Reticulohistiocytoma, and Histiocytosis.

      Advanced in Hemophagocytic Lymphohistiocytosis

      Yuta Maruyama
      Advanced in Hemophagocytic Lymphohistiocytosis

      Yuta Maruyama
      Matsumoto, JP 

      Yuta Maruyama practices in Matsumoto, Japan. Mr. Maruyama is rated as an Advanced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. His top areas of expertise are Hemophagocytic Lymphohistiocytosis, Griscelli Syndrome, Non-Langerhans-Cell Histiocytosis, Reticulohistiocytoma, and Bone Marrow Transplant.

      Advanced in Hemophagocytic Lymphohistiocytosis

      Kazuyuki Matsuda
      Advanced in Hemophagocytic Lymphohistiocytosis

      Kazuyuki Matsuda
      Matsumoto, JP 

      Kazuyuki Matsuda practices in Matsumoto, Japan. Mr. Matsuda is rated as an Advanced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. His top areas of expertise are Juvenile Myelomonocytic Leukemia (JMML), Acute Myelomonocytic Leukemia, Pure Red Cell Aplasia, Adult T-Cell Leukemia, and Bone Marrow Transplant.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Miyuki Tanaka
      Experienced in Hemophagocytic Lymphohistiocytosis

      Miyuki Tanaka
      Matsumoto, JP 

      Miyuki Tanaka practices in Matsumoto, Japan. Ms. Tanaka is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Her top areas of expertise are Ollier Disease, Acute Lymphoblastic Leukemia (ALL), Pure Red Cell Aplasia, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Shoji Saito
      Experienced in Hemophagocytic Lymphohistiocytosis

      Shoji Saito
      Matsumoto, JP 

      Shoji Saito practices in Matsumoto, Japan. Mr. Saito is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. His top areas of expertise are Leukemia, Neuroblastoma, Embryonal Tumor with Multilayered Rosettes, Bone Marrow Transplant, and Thrombectomy.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Kazutoshi Komori
      Experienced in Hemophagocytic Lymphohistiocytosis

      Kazutoshi Komori
      Azumino, JP 

      Kazutoshi Komori practices in Azumino, Japan. Komori is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Hemolytic Transfusion Reaction, Leukemoid Reaction, Primary Lymphoma of the Brain, Embryonal Tumor with Multilayered Rosettes, and Bone Marrow Transplant.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Koichi Hirabayashi
      Experienced in Hemophagocytic Lymphohistiocytosis

      Koichi Hirabayashi
      Matsumoto, JP 

      Koichi Hirabayashi practices in Matsumoto, Japan. Mr. Hirabayashi is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. His top areas of expertise are Juvenile Myelomonocytic Leukemia (JMML), Wilms Tumor, Piebaldism, Primary Lymphoma of the Brain, and Bone Marrow Transplant.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Hideyuki Nakazawa
      Experienced in Hemophagocytic Lymphohistiocytosis

      Hideyuki Nakazawa
      Matsumoto, JP 

      Hideyuki Nakazawa practices in Matsumoto, Japan. Nakazawa is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Pure Red Cell Aplasia, Adult T-Cell Leukemia, Anemia, Bone Marrow Transplant, and Splenectomy.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Keijiro Sato
      Experienced in Hemophagocytic Lymphohistiocytosis

      Keijiro Sato
      Nagano, JP 

      Keijiro Sato practices in Nagano, Japan. Sato is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Hemolytic Crisis, Acquired Amegakaryocytic Thrombocytopenia, Mononucleosis, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Masahiko Sumi
      Experienced in Hemophagocytic Lymphohistiocytosis

      Masahiko Sumi
      Nagano, JP 

      Masahiko Sumi practices in Nagano, Japan. Sumi is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Hemolytic Crisis, Mononucleosis, Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Toshimitsu Ueki
      Experienced in Hemophagocytic Lymphohistiocytosis

      Toshimitsu Ueki
      Nagano, JP 

      Toshimitsu Ueki practices in Nagano, Japan. Ueki is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Leukemia, Acute Myeloid Leukemia (AML), Encephalitis, Bone Marrow Aspiration, and Bone Marrow Transplant.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Hikaru Kobayashi
      Experienced in Hemophagocytic Lymphohistiocytosis

      Hikaru Kobayashi
      Nagano, JP 

      Hikaru Kobayashi practices in Nagano, Japan. Kobayashi is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Graft Versus Host Disease (GvHD), Lymphofollicular Hyperplasia, Angioimmunoblastic T-cell Lymphoma, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Fumihiro Ishida
      Experienced in Hemophagocytic Lymphohistiocytosis

      Fumihiro Ishida
      Matsumoto, JP 

      Fumihiro Ishida practices in Matsumoto, Japan. Ishida is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. Their top areas of expertise are Adult T-Cell Leukemia, Pure Red Cell Aplasia, Anemia, Leukemia, and Splenectomy.

      Experienced in Hemophagocytic Lymphohistiocytosis

      Hiroyuki Kanno
      Experienced in Hemophagocytic Lymphohistiocytosis

      Hiroyuki Kanno
      Matsumoto, JP 

      Hiroyuki Kanno practices in Matsumoto, Japan. Mr. Kanno is rated as an Experienced expert by MediFind in the treatment of Hemophagocytic Lymphohistiocytosis. His top areas of expertise are Polyarteritis Nodosa, Necrotizing Vasculitis, Retroperitoneal Inflammation, Acquired Amegakaryocytic Thrombocytopenia, and Tissue Biopsy.

      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 1-17 of 17

      Last Updated: 02/22/2026

      What is the definition of Hemophagocytic Lymphohistiocytosis?

      Hemophagocytic lymphohistiocytosis (HLH) is a condition in which the body makes too many activated immune cells (macrophages and lymphocytes). Symptoms may include fever, enlarged liver or spleen, cytopenia (decreased number of blood cells), and neurological abnormalities. HLH may be inherited in an autosomal recessive manner or it can have non-genetic causes in which case it is called acquired HLH. Each subtype is caused by a change in a different gene. The genetic cause of type 1 is currently unknown. Types 2-5 are caused by genetic changes in the PRF1 gene, the UNC13D gene, the STX11 gene and the STXBP2 gene, respectively. When HLH results from an inappropriate immune response to Epstein-Barr virus or another viral illness, it may be due to a separate genetic condition called X-linked lymphoproliferative disease (XLP). XLP is caused by a genetic change in the SH2D1A or XIAP gene and is inherited in an X-linked manner.

      When should I see a Hemophagocytic Lymphohistiocytosis doctor in Nagano, JP?

      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 Hemophagocytic Lymphohistiocytosis doctor in Nagano, JP?

      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 Hemophagocytic Lymphohistiocytosis doctor in Nagano, JP?

      You can find a Hemophagocytic Lymphohistiocytosis doctor in any of the 10 largest U.S. cities by clicking below:

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      How does MediFind rank Hemophagocytic Lymphohistiocytosis doctors in Nagano, JP?

      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 Hemophagocytic Lymphohistiocytosis doctors in Nagano, JP?

      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 Hemophagocytic Lymphohistiocytosis doctor in Nagano, JP?

      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 Hemophagocytic Lymphohistiocytosis doctor search results page. 

      Why is it important to get a second opinion from a different Hemophagocytic Lymphohistiocytosis 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 Hemophagocytic Lymphohistiocytosis doctor in Nagano, JP?

      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 Hemophagocytic Lymphohistiocytosis 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 Hemophagocytic Lymphohistiocytosis 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 Hemophagocytic Lymphohistiocytosis doctors in Nagano, JP?

      Look for the filter feature on the left side of the Hemophagocytic Lymphohistiocytosis 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 Hemophagocytic Lymphohistiocytosis doctor that offers video calls?

      Look for the filter feature on the left-side of the Hemophagocytic Lymphohistiocytosis 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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