The 20 Best CLN1 Disease Doctors in Japan

Find the Top CLN1 Disease Experts and Specialists

Last Updated: 04/28/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 131 doctor with experience in CLN1 Disease near Japan. Of these, 127 are Experienced and 4 are Advanced.

Location
LocationClose
131 providers found
    Advanced in CLN1 Disease

    Osamu Yamato
    Advanced in CLN1 Disease

    Osamu Yamato
    Kagoshima, JP 

    Osamu Yamato practices practicing medicine in Kagoshima, Japan. Mr. Yamato is rated as an Advanced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Gangliosidosis, GM1 Gangliosidosis, Tay-Sachs Disease, and Sandhoff Disease.

    Advanced in CLN1 Disease

    Naomichi Matsumoto
    Advanced in CLN1 Disease

    Naomichi Matsumoto
    Crest, 
    Kawaguchi, JP 

    Naomichi Matsumoto practices practicing medicine in Kawaguchi, Japan. Matsumoto is rated as an Advanced expert by MediFind in the treatment of CLN1 Disease. They are also highly rated in 157 other conditions, according to our data. Their clinical expertise encompasses West Syndrome, Coffin-Siris Syndrome, Neuronal Intranuclear Inclusion Disease (NIID), Pancreaticoduodenectomy, and Gastrostomy.

    Advanced in CLN1 Disease

    Yasuo Uchiyama
    Advanced in CLN1 Disease

    Yasuo Uchiyama
    Tokyo, JP 

    Yasuo Uchiyama practices practicing medicine in Tokyo, Japan. Mr. Uchiyama is rated as an Advanced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Batten Disease, CLN1 Disease, CLN5 Disease, and CLN2 Disease.

    Learn about our expert tiers
    Advanced in CLN1 Disease

    Akira Yabuki
    Advanced in CLN1 Disease

    Akira Yabuki
    Kagoshima, JP 

    Akira Yabuki practices practicing medicine in Kagoshima, Japan. Yabuki is rated as an Advanced expert by MediFind in the treatment of CLN1 Disease. They are also highly rated in 11 other conditions, according to our data. Their clinical expertise encompasses Gangliosidosis, GM1 Gangliosidosis, Tay-Sachs Disease, and Sandhoff Disease.

    Experienced in CLN1 Disease

    Takahiro Fukuda
    Experienced in CLN1 Disease

    Takahiro Fukuda
    Tokyo, JP 

    Takahiro Fukuda practices practicing medicine in Tokyo, Japan. Mr. Fukuda is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Adult T-Cell Leukemia, Leukemia, Bone Marrow Transplant, and Bone Graft.

    Experienced in CLN1 Disease

    Junji Yamaguchi
    Experienced in CLN1 Disease

    Junji Yamaguchi
    Tokyo, JP 

    Junji Yamaguchi practices practicing medicine in Tokyo, Japan. Yamaguchi is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Delirium, CLN5 Disease, CLN2 Disease, Cardiac Ablation, and Pacemaker Implantation.

    Experienced in CLN1 Disease

    Tetsuo Yamazaki
    Experienced in CLN1 Disease

    Tetsuo Yamazaki
    Tokushima, JP 

    Tetsuo Yamazaki practices practicing medicine in Tokushima, Japan. Mr. Yamazaki is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. His clinical expertise encompasses CLN2 Disease, CLN1 Disease, CLN5 Disease, and CLN3 Disease.

    Experienced in CLN1 Disease

    Yo Niida
    Experienced in CLN1 Disease

    Yo Niida
    Kanazawa, JP 

    Yo Niida practices practicing medicine in Kanazawa, Japan. Ms. Niida is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Ohdo Syndrome, Say-Barber-Biesecker-Young-Simpson Variant, Blepharophimosis, Tuberous Sclerosis Complex, and Tuberous Sclerosis.

    Experienced in CLN1 Disease

    Shinya Murata
    Experienced in CLN1 Disease

    Shinya Murata
    Hirakata, JP 

    Shinya Murata practices practicing medicine in Hirakata, Japan. Murata is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. Their clinical expertise encompasses CLN4 Disease, CLN2 Disease, CLN5 Disease, and CLN3 Disease.

    Experienced in CLN1 Disease

    Chigure Suzuki
    Experienced in CLN1 Disease

    Chigure Suzuki
    Tokyo, JP 

    Chigure Suzuki practices practicing medicine in Tokyo, Japan. Suzuki is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. Their clinical expertise encompasses CLN2 Disease, CLN3 Disease, CLN4 Disease, and CLN5 Disease.

    Experienced in CLN1 Disease

    Shinji Tamura
    Experienced in CLN1 Disease

    Shinji Tamura
    Hiroshima, JP 

    Shinji Tamura practices practicing medicine in Hiroshima, Japan. Mr. Tamura is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Tay-Sachs Disease, Labyrinthitis, GM1 Gangliosidosis, and Gangliosidosis.

    Experienced in CLN1 Disease

    Isei Tanida
    Experienced in CLN1 Disease

    Isei Tanida
    Tokyo, JP 

    Isei Tanida practices practicing medicine in Tokyo, Japan. Tanida is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. Their clinical expertise encompasses CLN4 Disease, CLN2 Disease, CLN3 Disease, and CLN5 Disease.

    Experienced in CLN1 Disease

    Aya Narita
    Experienced in CLN1 Disease

    Aya Narita
    Osaka, JP 

    Aya Narita practices practicing medicine in Osaka, Japan. Ms. Narita is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Niemann-Pick Disease, Gaucher Disease Type 3, Gaucher Disease, and Non-Langerhans-Cell Histiocytosis.

    Experienced in CLN1 Disease

    Masahiro Shibata
    Experienced in CLN1 Disease

    Masahiro Shibata
    Kagoshima, JP 

    Masahiro Shibata practices practicing medicine in Kagoshima, Japan. Mr. Shibata is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. His clinical expertise encompasses Caudal Appendage Deafness, CLN3 Disease, CLN4 Disease, and CLN2 Disease.

    Experienced in CLN1 Disease

    Kazuhiro Ishii
    Experienced in CLN1 Disease

    Kazuhiro Ishii
    Tsukuba, JP 

    Kazuhiro Ishii practices practicing medicine in Tsukuba, Japan. Mr. Ishii is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Focal or Multifocal Malformations in Neuronal Migration, Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Primary Lateral Sclerosis, and Fragile X Syndrome.

    Experienced in CLN1 Disease

    Kazuhiro Iwama
    Experienced in CLN1 Disease

    Kazuhiro Iwama
    Yokohama, JP 

    Kazuhiro Iwama practices practicing medicine in Yokohama, Japan. Mr. Iwama is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Peroxisomal Acyl-CoA Oxidase Deficiency, Retinal Vasculopathy with Cerebral Leukodystrophy, West Syndrome, and Micrognathia.

    Experienced in CLN1 Disease

    Yasuhiro Yasutomi
    Experienced in CLN1 Disease

    Yasuhiro Yasutomi
    Tsukuba, JP 

    Yasuhiro Yasutomi practices practicing medicine in Tsukuba, Japan. Mr. Yasutomi is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Myocarditis, Cardiomyopathy, Gumma, and CLN3 Disease.

    Experienced in CLN1 Disease

    Naohide Ageyama
    Experienced in CLN1 Disease

    Naohide Ageyama
    Tsukuba, JP 

    Naohide Ageyama practices practicing medicine in Tsukuba, Japan. Ageyama is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. Their clinical expertise encompasses CLN1 Disease, CLN3 Disease, CLN2 Disease, and CLN4 Disease.

    Experienced in CLN1 Disease

    Hiroyuki Ishiura
    Experienced in CLN1 Disease

    Hiroyuki Ishiura
    Okayama, JP 

    Hiroyuki Ishiura practices practicing medicine in Okayama, Japan. Mr. Ishiura is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Neuronal Intranuclear Inclusion Disease (NIID), Paraplegia, Spastic Paraplegia Type 7, Acute Cerebellar Ataxia, and Bone Marrow Transplant.

    Experienced in CLN1 Disease

    Yoshikatsu Eto
    Experienced in CLN1 Disease

    Yoshikatsu Eto
    Kawasaki, JP 

    Yoshikatsu Eto practices practicing medicine in Kawasaki, Japan. Mr. Eto is rated as an Experienced expert by MediFind in the treatment of CLN1 Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Niemann-Pick Disease, Fabry Disease, Mucopolysaccharidosis Type 2 (MPS II, Hunter Syndrome), Non-Langerhans-Cell Histiocytosis, and Tissue Biopsy.

    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 131

    Last Updated: 04/28/2026

    What is the definition of CLN1 Disease?

    CLN1 disease is an inherited disorder that primarily affects the nervous system. Individuals with this condition have normal development in infancy, but typically by 18 months they become increasingly irritable and begin to lose previously acquired skills (developmental regression). In affected children, nerve cells in the brain die over time, leading to an overall loss of brain tissue (brain atrophy) and an unusually small head (microcephaly). Children with CLN1 disease have decreased muscle tone (hypotonia), intellectual and motor disability, and rarely are able to speak or walk. Some affected children develop repetitive hand movements. By age 2, individuals with this condition often have muscle twitches (myoclonus), recurrent seizures (epilepsy), and vision loss. Some affected children develop frequent respiratory infections. As the condition worsens, children have severe feeding difficulties that often require a feeding tube. Children with CLN1 disease usually do not survive past childhood.

    When should I see a CLN1 Disease 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 CLN1 Disease 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 CLN1 Disease doctor in Japan?

    You can find a CLN1 Disease doctor in any of the 10 largest U.S. cities by clicking below:

    CLN1 Disease doctor near New York, NY
    CLN1 Disease doctor near Los Angeles, CA
    CLN1 Disease doctor near Chicago, IL
    CLN1 Disease doctor near Houston, TX
    CLN1 Disease doctor near Phoenix, AZ
    CLN1 Disease doctor near Philadelphia, PA
    CLN1 Disease doctor near Atlanta, GA
    CLN1 Disease doctor near Boston, MA
    CLN1 Disease doctor near Dallas, TX
    CLN1 Disease doctor near San Jose, CA

    How does MediFind rank CLN1 Disease 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 CLN1 Disease 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 CLN1 Disease 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 CLN1 Disease doctor search results page. 

    Why is it important to get a second opinion from a different CLN1 Disease 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 CLN1 Disease 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 CLN1 Disease 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 CLN1 Disease 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 CLN1 Disease doctors in Japan?

    Look for the filter feature on the left side of the CLN1 Disease 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 CLN1 Disease doctor that offers video calls?

    Look for the filter feature on the left-side of the CLN1 Disease 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 

    Read more about our Content Policy. 

    Recommended has been selected.