The 20 Best Idiopathic Hypersomnia Doctors Near Me in Tokyo, JP

Find the Top Idiopathic Hypersomnia Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 42 doctor with experience in Idiopathic Hypersomnia near Tokyo, JP. Of these, 30 are Experienced, 9 are Advanced and 3 are Distinguished.

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42 providers found
    Distinguished in Idiopathic Hypersomnia
    Distinguished in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Katsushi Tokunaga practices practicing medicine in Tokyo, Japan. Tokunaga is rated as a Distinguished expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 18 other conditions, according to our data. Their clinical expertise encompasses Stevens-Johnson Syndrome, Erythema Multiforme, Excessive Daytime Sleepiness, and Narcolepsy.

    Distinguished in Idiopathic Hypersomnia
    Distinguished in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Makoto Honda practices practicing medicine in Tokyo, Japan. Mr. Honda is rated as a Distinguished expert by MediFind in the treatment of Idiopathic Hypersomnia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Drowsiness, Narcolepsy, Excessive Daytime Sleepiness, and Idiopathic Hypersomnia.

    Distinguished in Idiopathic Hypersomnia
    Distinguished in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Yuichi Inoue practices practicing medicine in Tokyo, Japan. Inoue is rated as a Distinguished expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 13 other conditions, according to our data. Their clinical expertise encompasses Restless Legs Syndrome, Pseudohypoaldosteronism Type 2, Pseudohypoaldosteronism Type 1, and Excessive Daytime Sleepiness.

    Learn about our expert tiers
    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Taku Miyagawa practices practicing medicine in Tokyo, Japan. Mr. Miyagawa is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Drowsiness, Narcolepsy, Excessive Daytime Sleepiness, and Idiopathic Hypersomnia.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Shinjuku, JP 

    Masataka Wada practices practicing medicine in Shinjuku, Japan. Mr. Wada is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Idiopathic Hypersomnia, Drowsiness, Schizophrenia, and Narcolepsy.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Wakako Ito practices practicing medicine in Tokyo, Japan. Ito is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Drowsiness, Narcolepsy, Idiopathic Hypersomnia, and Teratoma of the Mediastinum.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Kiyose, JP 

    Shinya Kimura practices practicing medicine in Kiyose, Japan. Kimura is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Idiopathic Hypersomnia, Drowsiness, and Narcolepsy.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Yuhei Kikuchi practices practicing medicine in Tokyo, Japan. Kikuchi is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Narcolepsy, Drowsiness, Idiopathic Hypersomnia, and Schizophrenia.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Mihoko Shimada practices practicing medicine in Tokyo, Japan. Shimada is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Narcolepsy, Drowsiness, Excessive Daytime Sleepiness, and Idiopathic Hypersomnia.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Higashioi, JP 

    Kenichi Hayashida practices practicing medicine in Higashioi, Japan. Mr. Hayashida is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Narcolepsy, Drowsiness, Idiopathic Hypersomnia, and Excessive Daytime Sleepiness.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Akiruno, JP 

    Akiko Hida practices practicing medicine in Akiruno, Japan. Ms. Hida is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Idiopathic Hypersomnia, Excessive Daytime Sleepiness, Drowsiness, and Narcolepsy.

    Advanced in Idiopathic Hypersomnia
    Advanced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Seik-soon Khor practices practicing medicine in Tokyo, Japan. Khor is rated as an Advanced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses CMV Retinitis, Narcolepsy, Drowsiness, and Primary Biliary Cholangitis.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Yoyogi, JP 

    Masako Okawa practices practicing medicine in Yoyogi, Japan. Ms. Okawa is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Excessive Daytime Sleepiness, Drowsiness, Narcolepsy, and Idiopathic Hypersomnia.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Hiromi Toyoda practices practicing medicine in Tokyo, Japan. Toyoda is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Drowsiness, Narcolepsy, Excessive Daytime Sleepiness, and C Syndrome.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Itabashi, JP 

    Yuki Omori practices practicing medicine in Itabashi, Japan. Omori is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Drowsiness, Narcolepsy, Idiopathic Hypersomnia, and Excessive Daytime Sleepiness.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Tohru Kodama practices practicing medicine in Tokyo, Japan. Kodama is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Drowsiness, Narcolepsy, Excessive Daytime Sleepiness, and C Syndrome.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Hidehiko Takahashi practices practicing medicine in Tokyo, Japan. Takahashi is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Schizophrenia, Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder (ADHD), and Infant Epilepsy with Migrant Focal Crisis.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Tetsuo Shimizu practices practicing medicine in Tokyo, Japan. Mr. Shimizu is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Drowsiness, Excessive Daytime Sleepiness, Exogenous Lipoid Pneumonia, and Narcolepsy.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Makoto Uchiyama practices practicing medicine in Tokyo, Japan. Mr. Uchiyama is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Insomnia, Excessive Daytime Sleepiness, Cerebral Hypoxia, and Idiopathic Hypersomnia.

    Experienced in Idiopathic Hypersomnia
    Experienced in Idiopathic Hypersomnia
    Referral may be required
    Tokyo, JP 

    Genichi Sugihara practices practicing medicine in Tokyo, Japan. Sugihara is rated as an Experienced expert by MediFind in the treatment of Idiopathic Hypersomnia. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD), Schizophrenia, Seasonal Affective Disorder (SAD), and Excessive Daytime Sleepiness.

    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 42

    Last Updated: 11/08/2026

    What is the definition of Idiopathic Hypersomnia?

    Idiopathic hypersomnia (IH) is a neurological sleep disorder that can affect many aspects of a person's life. Symptoms often begin between adolescence and young adulthood and develop over weeks to months. People with IH have a hard time staying awake and alert during the day (chronic excessive daytime sleepiness). They may fall asleep unintentionally or at inappropriate times, interfering with daily functioning. They may also have difficulty waking up from nighttime sleep or daytime naps. Sleeping longer at night does not appear to improve daytime sleepiness. The cause of IH is not known. Some people with IH have other family members with a sleep disorder such as IH or narcolepsy.

    When should I see an Idiopathic Hypersomnia doctor in Tokyo, 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 an Idiopathic Hypersomnia doctor in Tokyo, 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 Idiopathic Hypersomnia doctor in Tokyo, JP?

    You can find an Idiopathic Hypersomnia doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Idiopathic Hypersomnia doctors in Tokyo, 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 Idiopathic Hypersomnia doctors in Tokyo, 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 an Idiopathic Hypersomnia doctor in Tokyo, 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 Idiopathic Hypersomnia doctor search results page. 

    Why is it important to get a second opinion from a different Idiopathic Hypersomnia 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 Idiopathic Hypersomnia doctor in Tokyo, 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 Idiopathic Hypersomnia 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 Idiopathic Hypersomnia 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 Idiopathic Hypersomnia doctors in Tokyo, JP?

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

    Look for the filter feature on the left-side of the Idiopathic Hypersomnia 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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