The 20 Best Histiocytosis Doctors Near Me in Nagano, JP

Find the Top Histiocytosis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 24 doctor with experience in Histiocytosis near Nagano, JP. Of these, 21 are Experienced, 2 are Distinguished and 1 are Elite.

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24 providers found
    Elite in Histiocytosis

    Kenichi Sakamoto
    Elite in Histiocytosis

    Kenichi Sakamoto
    Matsumoto, JP 

    Kenichi Sakamoto practices practicing medicine in Matsumoto, Japan. Mr. Sakamoto is rated as an Elite expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Histiocytosis, Reticulohistiocytoma, Langerhans Cell Histiocytosis, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Distinguished in Histiocytosis

    Yozo Nakazawa
    Distinguished in Histiocytosis

    Yozo Nakazawa
    Matsumoto, JP 

    Yozo Nakazawa practices practicing medicine in Matsumoto, Japan. Nakazawa is rated as a Distinguished expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 15 other conditions, according to our data. Their clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Histiocytosis, Bone Marrow Transplant, and Thrombectomy.

    Distinguished in Histiocytosis

    Ryu Yanagisawa
    Distinguished in Histiocytosis

    Ryu Yanagisawa
    Matsumoto, JP 

    Ryu Yanagisawa practices practicing medicine in Matsumoto, Japan. Mr. Yanagisawa is rated as a Distinguished expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hemolytic Transfusion Reaction, Hemophagocytic Lymphohistiocytosis, Reticulohistiocytoma, Bone Marrow Transplant, and Angioplasty.

    Learn about our expert tiers
    Experienced in Histiocytosis

    Eri Okura
    Experienced in Histiocytosis

    Eri Okura
    Matsumoto, JP 

    Eri Okura practices practicing medicine in Matsumoto, Japan. Okura is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Reticulohistiocytoma, and Histiocytosis.

    Experienced in Histiocytosis

    Kazuyuki Matsuda
    Experienced in Histiocytosis

    Kazuyuki Matsuda
    Matsumoto, JP 

    Kazuyuki Matsuda practices practicing medicine in Matsumoto, Japan. Mr. Matsuda is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Juvenile Myelomonocytic Leukemia (JMML), Acute Myelomonocytic Leukemia, Pure Red Cell Aplasia, Adult T-Cell Leukemia, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Yuta Maruyama
    Experienced in Histiocytosis

    Yuta Maruyama
    Matsumoto, JP 

    Yuta Maruyama practices practicing medicine in Matsumoto, Japan. Mr. Maruyama is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Griscelli Syndrome, Non-Langerhans-Cell Histiocytosis, Reticulohistiocytoma, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Kazuo Sakashita
    Experienced in Histiocytosis

    Kazuo Sakashita
    Azumino, JP 

    Kazuo Sakashita practices practicing medicine in Azumino, Japan. Mr. Sakashita is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Juvenile Myelomonocytic Leukemia (JMML), Hemolytic Transfusion Reaction, Leukemia, Leukemoid Reaction, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Shoji Saito
    Experienced in Histiocytosis

    Shoji Saito
    Matsumoto, JP 

    Shoji Saito practices practicing medicine in Matsumoto, Japan. Mr. Saito is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Leukemia, Neuroblastoma, Embryonal Tumor with Multilayered Rosettes, Bone Marrow Transplant, and Thrombectomy.

    Experienced in Histiocytosis

    Masahiko Sumi
    Experienced in Histiocytosis

    Masahiko Sumi
    Nagano, JP 

    Masahiko Sumi practices practicing medicine in Nagano, Japan. Sumi is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Hemolytic Crisis, Mononucleosis, Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Hikaru Kobayashi
    Experienced in Histiocytosis

    Hikaru Kobayashi
    Nagano, JP 

    Hikaru Kobayashi practices practicing medicine in Nagano, Japan. Kobayashi is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 10 other conditions, according to our data. Their clinical expertise encompasses Graft Versus Host Disease (GvHD), Angioimmunoblastic T-cell Lymphoma, Lymphofollicular Hyperplasia, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Histiocytosis

    Takashi Ehara
    Experienced in Histiocytosis

    Takashi Ehara
    Matsumoto, JP 

    Takashi Ehara practices practicing medicine in Matsumoto, Japan. Mr. Ehara is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Proximal Renal Tubular Acidosis, Primary Tubular Proximal Acidosis, Renal Tubular Acidosis, Membranoproliferative Glomerulonephritis, and Bone Marrow Aspiration.

    Experienced in Histiocytosis

    Toshimitsu Ueki
    Experienced in Histiocytosis

    Toshimitsu Ueki
    Nagano, JP 

    Toshimitsu Ueki practices practicing medicine in Nagano, Japan. Ueki is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Leukemia, Acute Myeloid Leukemia (AML), Encephalitis, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Kazutoshi Komori
    Experienced in Histiocytosis

    Kazutoshi Komori
    Azumino, JP 

    Kazutoshi Komori practices practicing medicine in Azumino, Japan. Komori is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Hemolytic Transfusion Reaction, Leukemoid Reaction, Primary Lymphoma of the Brain, Embryonal Tumor with Multilayered Rosettes, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Keijiro Sato
    Experienced in Histiocytosis

    Keijiro Sato
    Nagano, JP 

    Keijiro Sato practices practicing medicine in Nagano, Japan. Sato is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Hemolytic Crisis, Acquired Amegakaryocytic Thrombocytopenia, Mononucleosis, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Histiocytosis

    Yu Furui
    Experienced in Histiocytosis

    Yu Furui
    Matsumoto, JP 

    Yu Furui practices practicing medicine in Matsumoto, Japan. Furui is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. Their clinical expertise encompasses Leukemoid Reaction, Piebaldism, Periorbital Cellulitis, and Juvenile Myelomonocytic Leukemia (JMML).

    Experienced in Histiocytosis

    Takashi Kurata
    Experienced in Histiocytosis

    Takashi Kurata
    Azumino, JP 

    Takashi Kurata practices practicing medicine in Azumino, Japan. Mr. Kurata is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Juvenile Myelomonocytic Leukemia (JMML), Piebaldism, West Syndrome, Primary Lymphoma of the Brain, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Hiroko Kazumoto
    Experienced in Histiocytosis

    Hiroko Kazumoto
    Nagano, JP 

    Hiroko Kazumoto practices practicing medicine in Nagano, Japan. Ms. Kazumoto is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. Her clinical expertise encompasses Pernicious Anemia, Reticulohistiocytoma, Histiocytosis, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Koichi Hirabayashi
    Experienced in Histiocytosis

    Koichi Hirabayashi
    Matsumoto, JP 

    Koichi Hirabayashi practices practicing medicine in Matsumoto, Japan. Mr. Hirabayashi is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. His clinical expertise encompasses Wilms Tumor, Piebaldism, Primary Lymphoma of the Brain, Graft Versus Host Disease (GvHD), and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Hideyuki Nakazawa
    Experienced in Histiocytosis

    Hideyuki Nakazawa
    Matsumoto, JP 

    Hideyuki Nakazawa practices practicing medicine in Matsumoto, Japan. Nakazawa is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Pure Red Cell Aplasia, Adult T-Cell Leukemia, Anemia, Bone Marrow Transplant, and Bone Graft.

    Experienced in Histiocytosis

    Yoshifumi Ogiso
    Experienced in Histiocytosis

    Yoshifumi Ogiso
    Azumino, JP 

    Yoshifumi Ogiso practices practicing medicine in Azumino, Japan. Ogiso is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. Their clinical expertise encompasses Acute Myelomonocytic Leukemia, Actinomycosis, Acute Erythroid Leukemia (AEL), and Embryonal Tumor with Multilayered Rosettes.

    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 24

    Last Updated: 04/28/2026

    What is the definition of Histiocytosis?

    Histiocytosis is a general name for a group of disorders or "syndromes" that involve an abnormal increase in the number of specialized white blood cells that are called histiocytes.

    Recently, new knowledge about this family of diseases has led experts to develop a new classification. Five categories have been proposed:

    • L group -- includes Langerhans cell histiocytosis and Erdheim-Chester disease
    • C group -- includes non-Langerhans cell histiocytosis that involves the skin
    • M group -- includes malignant histiocytosis
    • R group -- includes Rosai-Dorfman disease
    • H Group -- includes hemophagocytic lymphohistiocytosis

    This article focuses only on the L group, which includes Langerhans cell histiocytosis and Erdheim-Chester disease.

    When should I see a Histiocytosis 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 Histiocytosis 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 Histiocytosis doctor in Nagano, JP?

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

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    How does MediFind rank Histiocytosis 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 Histiocytosis 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 Histiocytosis 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 Histiocytosis doctor search results page. 

    Why is it important to get a second opinion from a different Histiocytosis 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 Histiocytosis 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 Histiocytosis 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 Histiocytosis 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 Histiocytosis doctors in Nagano, JP?

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

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