The 20 Best Prader-Willi Syndrome Doctors in Japan

Find the Top Prader-Willi Syndrome Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 265 doctor with experience in Prader-Willi Syndrome near Japan. Of these, 239 are Experienced, 16 are Advanced, 6 are Distinguished and 4 are Elite.

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265 providers found
    Elite in Prader-Willi Syndrome
    Elite in Prader-Willi Syndrome
    Referral may be required
    Saitama, JP 

    Yuji Oto practices practicing medicine in Saitama, Japan. Mr. Oto is rated as an Elite expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Prader-Willi Syndrome, Polyhydramnios, Gaucher Disease Type 1, Congenital Hypothyroidism, and Hormone Replacement Therapy (HRT).

    Elite in Prader-Willi Syndrome
    Elite in Prader-Willi Syndrome
    Referral may be required
    Hamamatsu, JP 

    Tsutomu Ogata practices practicing medicine in Hamamatsu, Japan. Mr. Ogata is rated as an Elite expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 70 other conditions, according to our data. His clinical expertise encompasses Russell-Silver Dwarfism, Breast Enlargement In Males, Idiopathic Short Stature (ISS), Hormone Replacement Therapy (HRT), and Orchiectomy.

    Elite in Prader-Willi Syndrome
    Elite in Prader-Willi Syndrome
    Referral may be required
    Tokyo, JP 

    Keiko Matsubara practices practicing medicine in Tokyo, Japan. Ms. Matsubara is rated as an Elite expert by MediFind in the treatment of Prader-Willi Syndrome. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Russell-Silver Dwarfism, Prader-Willi Syndrome, Albright's Hereditary Osteodystrophy, and Pseudohypoparathyroidism.

    Learn about our expert tiers
    Elite in Prader-Willi Syndrome
    Elite in Prader-Willi Syndrome
    Referral may be required
    Saitama, JP 

    Nobuyuki Murakami practices practicing medicine in Saitama, Japan. Mr. Murakami is rated as an Elite expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Prader-Willi Syndrome, Chromosome 6 Uniparental Disomy, Dilated Cardiomyopathy with Hypergonadotropic Hypogonadism, Chromosome 11 Uniparental Disomy, and Hormone Replacement Therapy (HRT).

    Distinguished in Prader-Willi Syndrome
    Distinguished in Prader-Willi Syndrome
    Referral may be required
    Saitama, JP 

    Toshiro Nagai practices practicing medicine in Saitama, Japan. Mr. Nagai is rated as a Distinguished expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Prader-Willi Syndrome, Noonan Syndrome, RASopathies, Turner Syndrome, and Hormone Replacement Therapy (HRT).

    Distinguished in Prader-Willi Syndrome
    Distinguished in Prader-Willi Syndrome
    Referral may be required
    Setagaya, JP 

    Masayo Kagami practices practicing medicine in Setagaya, Japan. Ms. Kagami is rated as a Distinguished expert by MediFind in the treatment of Prader-Willi Syndrome. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Russell-Silver Dwarfism, Albright's Hereditary Osteodystrophy, Pseudohypoparathyroidism, and Temple Syndrome.

    Distinguished in Prader-Willi Syndrome
    Distinguished in Prader-Willi Syndrome
    Referral may be required
    Tokyo, JP 

    Maki Fukami practices practicing medicine in Tokyo, Japan. Fukami is rated as a Distinguished expert by MediFind in the treatment of Prader-Willi Syndrome. They are also highly rated in 68 other conditions, according to our data. Their clinical expertise encompasses Russell-Silver Dwarfism, Intersex, Idiopathic Short Stature (ISS), and Short Stature (Growth Disorders).

    Distinguished in Prader-Willi Syndrome
    Distinguished in Prader-Willi Syndrome
    Referral may be required
    Koshigaya, JP 

    Hiroshi Ihara practices practicing medicine in Koshigaya, Japan. Mr. Ihara is rated as a Distinguished expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Prader-Willi Syndrome, Premenstrual Dysphoric Disorder, Premenstrual Syndrome, and Autism Spectrum Disorder.

    Distinguished in Prader-Willi Syndrome
    Distinguished in Prader-Willi Syndrome
    Referral may be required
    Izumi, JP 

    Masanobu Kawai practices practicing medicine in Izumi, Japan. Mr. Kawai is rated as a Distinguished expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Small for Gestational Age, Prader-Willi Syndrome, Turner Syndrome, X-Linked Hypophosphatemia, and Hormone Replacement Therapy (HRT).

    Distinguished in Prader-Willi Syndrome
    Distinguished in Prader-Willi Syndrome
    Referral may be required
    Koshigaya, JP 

    Hiroyuki Ogata practices practicing medicine in Koshigaya, Japan. Mr. Ogata is rated as a Distinguished expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Prader-Willi Syndrome, Premenstrual Dysphoric Disorder, Autism Spectrum Disorder, and Premenstrual Syndrome.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Toon, JP 

    Tokihisa Nagai practices practicing medicine in Toon, Japan. Nagai is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Prader-Willi Syndrome, Muscle Atrophy, Idiopathic Hypersomnia, Obesity, and Kidney Transplant.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Nagoya, JP 

    Shinji Saitoh practices practicing medicine in Nagoya, Japan. Mr. Saitoh is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Ulnar-Mammary Syndrome, Feingold Syndrome, Angelman Syndrome, Pacemaker Implantation, and Orchiectomy.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Osaka, JP 

    Shinobu Ida practices practicing medicine in Osaka, Japan. Ida is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Small for Gestational Age, Prader-Willi Syndrome, Intersex, and Noonan Syndrome.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Koshigaya, JP 

    Sohei Saima practices practicing medicine in Koshigaya, Japan. Saima is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Prader-Willi Syndrome, Autism Spectrum Disorder, Premenstrual Dysphoric Disorder, and Premenstrual Syndrome.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Saitama, JP 

    Tomoyo Matsubara practices practicing medicine in Saitama, Japan. Matsubara is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Prader-Willi Syndrome, Muckle-Wells Syndrome, Familial Cold Autoinflammatory Syndrome, and Neonatal Onset Multisystem Inflammatory Disease.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Osaka, JP 

    Ayako Konishi practices practicing medicine in Osaka, Japan. Ms. Konishi is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Prader-Willi Syndrome, 5-Alpha Reductase Deficiency, Severe Acute Respiratory Syndrome (SARS), and Hypospadias.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Sagamihara, JP 

    Shuhei Soeda practices practicing medicine in Sagamihara, Japan. Mr. Soeda is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Prader-Willi Syndrome and Malnutrition.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Osaka, JP 

    Mikiko Koizumi practices practicing medicine in Osaka, Japan. Ms. Koizumi is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Small for Gestational Age, Prader-Willi Syndrome, Denys-Drash Syndrome (DDS), and Hypopituitarism.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Osaka, JP 

    Yuri Etani practices practicing medicine in Osaka, Japan. Etani is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Small for Gestational Age, Prader-Willi Syndrome, Eosinophilic Cystitis, Noonan Syndrome, and Gastrostomy.

    Advanced in Prader-Willi Syndrome
    Advanced in Prader-Willi Syndrome
    Referral may be required
    Setagaya, JP 

    Tadayuki Ayabe practices practicing medicine in Setagaya, Japan. Ayabe is rated as an Advanced expert by MediFind in the treatment of Prader-Willi Syndrome. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Prader-Willi Syndrome, Multiple Endocrine Neoplasia Type 2, High Blood Pressure in Infants, and Chromosome 15q Deletion.

    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 265

    Last Updated: 09/26/2026

    What is the definition of Prader-Willi Syndrome?

    Prader-Willi syndrome is a disease that is present from birth (congenital). It affects many parts of the body. People with this condition feel hungry all the time and become obese. They also have poor muscle tone, reduced mental ability, and underdeveloped sex organs.

    When should I see a Prader-Willi Syndrome 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 Prader-Willi Syndrome 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 Prader-Willi Syndrome doctor in Japan?

    You can find a Prader-Willi Syndrome doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Prader-Willi Syndrome 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 Prader-Willi Syndrome 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 Prader-Willi Syndrome 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 Prader-Willi Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Prader-Willi Syndrome 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 Prader-Willi Syndrome 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 Prader-Willi Syndrome 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 Prader-Willi Syndrome 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 Prader-Willi Syndrome doctors in Japan?

    Look for the filter feature on the left side of the Prader-Willi Syndrome 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 Prader-Willi Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the Prader-Willi Syndrome 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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