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    Last Updated: 01/09/2026

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    MediFind found 190 doctor with experience in Williams Syndrome near Japan. Of these, 167 are Experienced, 16 are Advanced and 7 are Distinguished.

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    190 providers found
      Distinguished in Williams Syndrome

      Masahiro Hirai
      Distinguished in Williams Syndrome

      Masahiro Hirai
      Tochigi, JP 

      Masahiro Hirai practices in Tochigi, Japan. Mr. Hirai is rated as a Distinguished expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Williams Syndrome and Autism Spectrum Disorder.

      Distinguished in Williams Syndrome

      Ryo Kimura
      Distinguished in Williams Syndrome

      Ryo Kimura
      Osaka, JP 

      Ryo Kimura practices in Osaka, Japan. Mr. Kimura is rated as a Distinguished expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Williams Syndrome, Autism Spectrum Disorder, Burkitt Lymphoma, and Schizophrenia.

      Distinguished in Williams Syndrome

      Masatoshi N. Hagiwara
      Distinguished in Williams Syndrome

      Masatoshi N. Hagiwara
      Kyoto, JP 

      Masatoshi Hagiwara practices in Kyoto, Japan. Mr. Hagiwara is rated as a Distinguished expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Williams Syndrome, Hereditary Sensory and Autonomic Neuropathy Type 2, Hajdu-Cheney Syndrome, Platelet Storage Pool Deficiency, and Orchiectomy.

      Learn about our expert tiers
      Distinguished in Williams Syndrome

      Toshio Heike
      Distinguished in Williams Syndrome

      Toshio Heike
      Amagasaki, JP 

      Toshio Heike practices in Amagasaki, Japan. Mr. Heike is rated as a Distinguished expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Muckle-Wells Syndrome, Familial Cold Autoinflammatory Syndrome, Neonatal Onset Multisystem Inflammatory Disease, Bone Marrow Aspiration, and Hepato-Pancreato-Biliary Surgery.

      Distinguished in Williams Syndrome

      Tomonari Awaya
      Distinguished in Williams Syndrome

      Tomonari Awaya
      Kyoto, JP 

      Tomonari Awaya practices in Kyoto, Japan. Awaya is rated as a Distinguished expert by MediFind in the treatment of Williams Syndrome. Their top areas of expertise are Williams Syndrome, Retinal Vasculopathy with Cerebral Leukodystrophy, Hajdu-Cheney Syndrome, Hereditary Sensory and Autonomic Neuropathy Type 2, and Bone Marrow Aspiration.

      Distinguished in Williams Syndrome

      Miho Nakamura
      Distinguished in Williams Syndrome

      Miho Nakamura
      Okazaki, JP 

      Miho Nakamura practices in Okazaki, Japan. Ms. Nakamura is rated as a Distinguished expert by MediFind in the treatment of Williams Syndrome. Her top areas of expertise are Williams Syndrome, Periventricular Leukomalacia, Anton Syndrome, and Kabuki Syndrome.

      Distinguished in Williams Syndrome

      Kiyotaka Tomiwa
      Distinguished in Williams Syndrome

      Kiyotaka Tomiwa
      Nara-shi, JP 

      Kiyotaka Tomiwa practices in Nara-shi, Japan. Tomiwa is rated as a Distinguished expert by MediFind in the treatment of Williams Syndrome. Their top areas of expertise are Williams Syndrome, Gillespie Syndrome, Autism Spectrum Disorder, and Spinocerebellar Degeneration and Corneal Dystrophy.

      Advanced in Williams Syndrome

      Yukako Muramatsu
      Advanced in Williams Syndrome

      Yukako Muramatsu
      Nagoya, JP 

      Yukako Muramatsu practices in Nagoya, Japan. Muramatsu is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. Their top areas of expertise are Williams Syndrome, Esophageal Atresia Coloboma Talipes, Imperforate Anus, and Kabuki Syndrome.

      Advanced in Williams Syndrome

      Seiji Mizuno
      Advanced in Williams Syndrome

      Seiji Mizuno
      Kasugai, JP 

      Seiji Mizuno practices in Kasugai, Japan. Mr. Mizuno is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Increased Head Circumference, Achalasia Microcephaly Syndrome, Microcephaly, and Kabuki Syndrome.

      Advanced in Williams Syndrome

      Shin Okazaki
      Advanced in Williams Syndrome

      Shin Okazaki
      Osaka, JP 

      Shin Okazaki practices in Osaka, Japan. Okazaki is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. Their top areas of expertise are Williams Syndrome, West Syndrome, Spasmus Nutans, Epilepsy, and Pacemaker Implantation.

      Advanced in Williams Syndrome

      Takeo A. Kato
      Advanced in Williams Syndrome

      Takeo A. Kato
      Moriyama, JP 

      Takeo Kato practices in Moriyama, Japan. Mr. Kato is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Normal Pressure Hydrocephalus, Williams Syndrome, Hydrocephalus, Bone Marrow Aspiration, and Gallbladder Removal.

      Advanced in Williams Syndrome

      Ayaka Ikeda
      Advanced in Williams Syndrome

      Ayaka Ikeda
      Kanagawa, JP 

      Ayaka Ikeda practices in Kanagawa, Japan. Ms. Ikeda is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. Her top areas of expertise are Williams Syndrome and Autism Spectrum Disorder.

      Advanced in Williams Syndrome

      Kosuke Asada
      Advanced in Williams Syndrome

      Kosuke Asada
      Susaki, JP 

      Kosuke Asada practices in Susaki, Japan. Mr. Asada is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Williams Syndrome and Autism Spectrum Disorder.

      Advanced in Williams Syndrome

      Takanori Yamagata
      Advanced in Williams Syndrome

      Takanori Yamagata
      Tochigi, JP 

      Takanori Yamagata practices in Tochigi, Japan. Mr. Yamagata is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Miller Syndrome, Williams Syndrome, Leigh Syndrome, Autism Spectrum Disorder, and Endoscopy.

      Advanced in Williams Syndrome

      Toshiya Murai
      Advanced in Williams Syndrome

      Toshiya Murai
      Kyoto, JP 

      Toshiya Murai practices in Kyoto, Japan. Murai is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. Their top areas of expertise are Schizophrenia, Autism Spectrum Disorder, Williams Syndrome, and Anorexia.

      Advanced in Williams Syndrome

      Yoko Hakuno
      Advanced in Williams Syndrome

      Yoko Hakuno
      Tokyo, JP 

      Yoko Hakuno practices in Tokyo, Japan. Ms. Hakuno is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. Her top areas of expertise are Williams Syndrome and Autism Spectrum Disorder.

      Advanced in Williams Syndrome

      Yasuko Funabiki
      Advanced in Williams Syndrome

      Yasuko Funabiki
      Kyoto, JP 

      Yasuko Funabiki practices in Kyoto, Japan. Ms. Funabiki is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. Her top areas of expertise are Williams Syndrome, Autism Spectrum Disorder, and Schizophrenia.

      Advanced in Williams Syndrome

      Takahiro Ikeda
      Advanced in Williams Syndrome

      Takahiro Ikeda
      Shimotsuke, JP 

      Takahiro Ikeda practices in Shimotsuke, Japan. Mr. Ikeda is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Williams Syndrome, Campomelic Dysplasia, Campomelia Cumming Type, and Autism Spectrum Disorder.

      Advanced in Williams Syndrome

      Masatoshi Nakata
      Advanced in Williams Syndrome

      Masatoshi Nakata
      Kyoto, JP 

      Masatoshi Nakata practices in Kyoto, Japan. Mr. Nakata is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. His top areas of expertise are Williams Syndrome, West Syndrome, Autism Spectrum Disorder, Hemolysis, and Bone Marrow Aspiration.

      Advanced in Williams Syndrome

      Kanae Matsushima
      Advanced in Williams Syndrome

      Kanae Matsushima
      Hirakata, JP 

      Kanae Matsushima practices in Hirakata, Japan. Ms. Matsushima is rated as an Advanced expert by MediFind in the treatment of Williams Syndrome. Her top areas of expertise are Williams Syndrome and Autism Spectrum Disorder.

      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 190

      Last Updated: 01/09/2026

      What is the definition of Williams Syndrome?

      Williams syndrome is a rare disorder that can lead to problems with development.

      When should I see a Williams 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 Williams 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 Williams Syndrome doctor in Japan?

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

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      How does MediFind rank Williams 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 Williams 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 Williams 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 Williams Syndrome doctor search results page. 

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

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

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