The 20 Best Dementia Doctors in Japan

Find the Top Dementia Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 2646 doctor with experience in Dementia near Japan. Of these, 2273 are Experienced, 308 are Advanced, 57 are Distinguished and 8 are Elite.

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2,646 providers found
    Elite in Dementia

    Takeshi Iwatsubo
    Elite in Dementia

    Takeshi Iwatsubo
    Kodaira, JP 

    Takeshi Iwatsubo practices practicing medicine in Kodaira, Japan. Mr. Iwatsubo is rated as an Elite expert by MediFind in the treatment of Dementia. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Alzheimer's Disease, Dementia, Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), and Movement Disorders.

    Elite in Dementia

    Takaomi C. Saido
    Elite in Dementia

    Takaomi C. Saido
    Wako, JP 

    Takaomi Saido practices practicing medicine in Wako, Japan. Saido is rated as an Elite expert by MediFind in the treatment of Dementia. They are also highly rated in 9 other conditions, according to our data. Their clinical expertise encompasses Alzheimer's Disease, Dementia, Memory Loss, Primary Amyloidosis, and Orchiectomy.

    Elite in Dementia

    Shigeo Y. Murayama
    Elite in Dementia

    Shigeo Y. Murayama
    Tokyo, JP 

    Shigeo Murayama practices practicing medicine in Tokyo, Japan. Mr. Murayama is rated as an Elite expert by MediFind in the treatment of Dementia. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Neuronal Intranuclear Inclusion Disease (NIID), Corticobasal Degeneration, Dementia, Thrombectomy, and Gastrostomy.

    Learn about our expert tiers
    Elite in Dementia

    Takeshi Ikeuchi
    Elite in Dementia

    Takeshi Ikeuchi
    Niigata, JP 

    Takeshi Ikeuchi practices practicing medicine in Niigata, Japan. Mr. Ikeuchi is rated as an Elite expert by MediFind in the treatment of Dementia. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses CACH Syndrome, Corticobasal Degeneration, Dementia, Gastrostomy, and Salpingo-Oophorectomy.

    Elite in Dementia

    Atsushi Iwata
    Elite in Dementia

    Atsushi Iwata
    Tokyo, JP 

    Atsushi Iwata practices practicing medicine in Tokyo, Japan. Mr. Iwata is rated as an Elite expert by MediFind in the treatment of Dementia. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Neuronal Intranuclear Inclusion Disease (NIID), Dementia, Alzheimer's Disease, Cytomegalic Inclusion Disease, and Percutaneous Coronary Intervention (PCI).

    Elite in Dementia

    Nobuyuki Okamura
    Elite in Dementia

    Nobuyuki Okamura
    Sendai, JP 

    Nobuyuki Okamura practices practicing medicine in Sendai, Japan. Mr. Okamura is rated as an Elite expert by MediFind in the treatment of Dementia. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Alzheimer's Disease, Dementia, Progressive Supranuclear Palsy Atypical, and Progressive Supranuclear Palsy.

    Elite in Dementia

    Kenjiro Ono
    Elite in Dementia

    Kenjiro Ono
    Kanazawa, JP 

    Kenjiro Ono practices practicing medicine in Kanazawa, Japan. Mr. Ono is rated as an Elite expert by MediFind in the treatment of Dementia. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Dementia, Alzheimer's Disease, Parkinson's Disease, Lewy Body Dementia (LBD), and Patent Foramen Ovale Repair.

    Elite in Dementia

    Manabu Ikeda
    Elite in Dementia

    Manabu Ikeda
    Suita, JP 

    Manabu Ikeda practices practicing medicine in Suita, Japan. Mr. Ikeda is rated as an Elite expert by MediFind in the treatment of Dementia. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Dementia, Lewy Body Dementia (LBD), Parkinson's Disease, and Alzheimer's Disease.

    Distinguished in Dementia

    Makoto Higuchi
    Distinguished in Dementia

    Makoto Higuchi
    Chiba, JP 

    Makoto Higuchi practices practicing medicine in Chiba, Japan. Mr. Higuchi is rated as a Distinguished expert by MediFind in the treatment of Dementia. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Progressive Supranuclear Palsy, Progressive Supranuclear Palsy Atypical, Brown Syndrome, and Dementia.

    Distinguished in Dementia

    Takashi K. Saito
    Distinguished in Dementia

    Takashi K. Saito
    Nagoya, JP 

    Takashi Saito practices practicing medicine in Nagoya, Japan. Mr. Saito is rated as a Distinguished expert by MediFind in the treatment of Dementia. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Alzheimer's Disease, Dementia, Memory Loss, Thrombectomy, and Orchiectomy.

    Distinguished in Dementia

    Dr. Masato Hasegawa
    Distinguished in Dementia

    Dr. Masato Hasegawa
    Fujimi-city, JP 
    Languages Spoken:
    English

    Masato Hasegawa practices practicing medicine in Fujimi-city, Japan. Dr. Hasegawa is rated as a Distinguished provider by MediFind in the treatment of Dementia. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Corticobasal Degeneration, Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Primary Lateral Sclerosis, and Dementia.

    Distinguished in Dementia

    Hiroyuki Shimada
    Distinguished in Dementia

    Hiroyuki Shimada
    Obu, JP 

    Hiroyuki Shimada practices practicing medicine in Obu, Japan. Mr. Shimada is rated as a Distinguished expert by MediFind in the treatment of Dementia. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Dementia, Endophthalmitis, Muscle Atrophy, Vitrectomy, and Cataract Removal.

    Distinguished in Dementia

    Mari W. Yoshida
    Distinguished in Dementia

    Mari W. Yoshida
    Okazaki, JP 

    Mari Yoshida practices practicing medicine in Okazaki, Japan. Ms. Yoshida is rated as a Distinguished expert by MediFind in the treatment of Dementia. She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Corticobasal Degeneration, Neuronal Intranuclear Inclusion Disease (NIID), Creutzfeldt-Jakob Disease, Progressive Supranuclear Palsy, and Gastrostomy.

    Distinguished in Dementia

    Kenji Ishii
    Distinguished in Dementia

    Kenji Ishii
    Tokyo, JP 

    Kenji Ishii practices practicing medicine in Tokyo, Japan. Mr. Ishii is rated as a Distinguished expert by MediFind in the treatment of Dementia. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Dementia, Alzheimer's Disease, Moyamoya Disease, and Siderosis.

    Distinguished in Dementia

    Masahito Yamada
    Distinguished in Dementia

    Masahito Yamada
    Kanazawa, JP 

    Masahito Yamada practices practicing medicine in Kanazawa, Japan. Yamada is rated as a Distinguished expert by MediFind in the treatment of Dementia. They are also highly rated in 18 other conditions, according to our data. Their clinical expertise encompasses Creutzfeldt-Jakob Disease, Cerebral Amyloid Angiopathy, Dementia, and Kuru.

    Distinguished in Dementia

    Yuko K. Saito
    Distinguished in Dementia

    Yuko K. Saito
    Kodaira, JP 

    Yuko Saito practices practicing medicine in Kodaira, Japan. Ms. Saito is rated as a Distinguished expert by MediFind in the treatment of Dementia. She is also highly rated in 29 other conditions, according to our data. Her clinical expertise encompasses Neuronal Intranuclear Inclusion Disease (NIID), Corticobasal Degeneration, Dementia, Hemimegalencephaly, and Orchiectomy.

    Distinguished in Dementia

    Takashi Sakurai
    Distinguished in Dementia

    Takashi Sakurai
    Obu, JP 

    Takashi Sakurai practices practicing medicine in Obu, Japan. Mr. Sakurai is rated as a Distinguished expert by MediFind in the treatment of Dementia. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Dementia, Memory Loss, Alzheimer's Disease, Developmental Dysphasia Familial, and Mastectomy.

    Distinguished in Dementia

    Nobutaka Hattori
    Distinguished in Dementia

    Nobutaka Hattori
    Tokyo, JP 

    Nobutaka Hattori practices practicing medicine in Tokyo, Japan. Hattori is rated as a Distinguished expert by MediFind in the treatment of Dementia. They are also highly rated in 52 other conditions, according to our data. Their clinical expertise encompasses Parkinson's Disease, Movement Disorders, Drug Induced Dyskinesia, Deep Brain Stimulation, and Thymectomy.

    Distinguished in Dementia

    Yasushi Iwasaki
    Distinguished in Dementia

    Yasushi Iwasaki
    Nagakute, JP 

    Yasushi Iwasaki practices practicing medicine in Nagakute, Japan. Iwasaki is rated as a Distinguished expert by MediFind in the treatment of Dementia. They are also highly rated in 25 other conditions, according to our data. Their clinical expertise encompasses Creutzfeldt-Jakob Disease, Neuronal Intranuclear Inclusion Disease (NIID), Kuru, Multiple System Atrophy, and Gastrostomy.

    Distinguished in Dementia

    Masaru Mimura
    Distinguished in Dementia

    Masaru Mimura
    Tokyo, JP 

    Masaru Mimura practices practicing medicine in Tokyo, Japan. Mr. Mimura is rated as a Distinguished expert by MediFind in the treatment of Dementia. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Schizophrenia, Major Depression, Dementia, 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 2,646

    Last Updated: 04/28/2026

    What is the definition of Dementia?

    Dementia is a loss of brain function that occurs with certain diseases. It affects one or more brain functions such as memory, thinking, language, judgment, or behavior. Dementia may also be referred to as major neurocognitive disorder.

    When should I see a Dementia 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 Dementia 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 Dementia doctor in Japan?

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

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

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

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

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