The 20 Best Cowden Syndrome Doctors in Japan

Find the Top Cowden Syndrome Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 367 doctor with experience in Cowden Syndrome near Japan. Of these, 345 are Experienced and 22 are Advanced.

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367 providers found
    Advanced in Cowden Syndrome

    Daiki Uchida
    Advanced in Cowden Syndrome

    Daiki Uchida
    Referral may be required
    Nagasaki, JP 

    Daiki Uchida practices practicing medicine in Nagasaki, Japan. Mr. Uchida is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Lhermitte-Duclos Disease, Bannayan-Riley-Ruvalcaba Syndrome, Cowden Syndrome, and Ganglioneuroma.

    Advanced in Cowden Syndrome

    Yoshiaki Kubo
    Advanced in Cowden Syndrome

    Yoshiaki Kubo
    Referral may be required
    Tokushima, JP 

    Yoshiaki Kubo practices practicing medicine in Tokushima, Japan. Mr. Kubo is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Bowen's Disease, Lhermitte-Duclos Disease, Cowden Syndrome, and Bannayan-Riley-Ruvalcaba Syndrome.

    Advanced in Cowden Syndrome

    Kohei Suzuki
    Advanced in Cowden Syndrome

    Kohei Suzuki
    Referral may be required
    Kitakyushu, JP 

    Kohei Suzuki practices practicing medicine in Kitakyushu, Japan. Mr. Suzuki is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Ruvalcaba Syndrome, Bannayan-Riley-Ruvalcaba Syndrome, Cowden Syndrome, Lhermitte-Duclos Disease, and Extracranial-Intracranial Bypass Surgery.

    Learn about our expert tiers
    Advanced in Cowden Syndrome

    Tetsuji Takayama
    Advanced in Cowden Syndrome

    Tetsuji Takayama
    Referral may be required
    Tokushima, JP 

    Tetsuji Takayama practices practicing medicine in Tokushima, Japan. Takayama is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 16 other conditions, according to our data. Their clinical expertise encompasses Familial Adenomatous Polyposis, Colorectal Cancer, Stomach Cancer, Endoscopy, and Colonoscopy.

    Advanced in Cowden Syndrome

    Hisako Akatsuka
    Advanced in Cowden Syndrome

    Hisako Akatsuka
    Referral may be required
    Isehara, JP 

    Hisako Akatsuka practices practicing medicine in Isehara, Japan. Ms. Akatsuka is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Lhermitte-Duclos Disease, Bannayan-Riley-Ruvalcaba Syndrome, Cowden Syndrome, and Mucolipidosis Type 4.

    Advanced in Cowden Syndrome

    Hiroyuki Goto
    Advanced in Cowden Syndrome

    Hiroyuki Goto
    Referral may be required
    Osaka, JP 

    Hiroyuki Goto practices practicing medicine in Osaka, Japan. Mr. Goto is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Extramammary Paget Disease, Exfoliative Dermatitis, Erythroderma, Bullae, and Bone Graft.

    Advanced in Cowden Syndrome

    Ituro Inoue
    Advanced in Cowden Syndrome

    Ituro Inoue
    Referral may be required
    Yokohama, JP 

    Ituro Inoue practices practicing medicine in Yokohama, Japan. Inoue is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Gout, PIK3CA-Related Overgrowth Spectrum, Lhermitte-Duclos Disease, and Cowden Syndrome.

    Advanced in Cowden Syndrome

    Kokichi Sugano
    Advanced in Cowden Syndrome

    Kokichi Sugano
    Referral may be required
    Tokyo, JP 

    Kokichi Sugano practices practicing medicine in Tokyo, Japan. Sugano is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 9 other conditions, according to our data. Their clinical expertise encompasses Lynch Syndrome, Sebaceous Adenoma, Familial Adenomatous Polyposis, Oophorectomy, and Salpingo-Oophorectomy.

    Advanced in Cowden Syndrome

    Junkoh Yamamoto
    Advanced in Cowden Syndrome

    Junkoh Yamamoto
    Referral may be required
    Kitakyushu, JP 

    Junkoh Yamamoto practices practicing medicine in Kitakyushu, Japan. Yamamoto is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 9 other conditions, according to our data. Their clinical expertise encompasses Meningioma, Glioma, Brain Tumor, Thrombectomy, and Carotid Artery Surgery.

    Advanced in Cowden Syndrome

    Kouji Banno
    Advanced in Cowden Syndrome

    Kouji Banno
    Referral may be required
    Hiroshima, JP 

    Kouji Banno practices practicing medicine in Hiroshima, Japan. Banno is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 16 other conditions, according to our data. Their clinical expertise encompasses Endometrial Cancer, Ovarian Cancer, Peutz-Jeghers Syndrome, Hysterectomy, and Oophorectomy.

    Advanced in Cowden Syndrome

    Kenjiro Kosaki
    Advanced in Cowden Syndrome

    Kenjiro Kosaki
    Referral may be required
    Tokyo, JP 

    Kenjiro Kosaki practices practicing medicine in Tokyo, Japan. Mr. Kosaki is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 75 other conditions, according to our data. His clinical expertise encompasses Feingold Syndrome, Increased Head Circumference, Hypotonia, Oophorectomy, and Salpingo-Oophorectomy.

    Advanced in Cowden Syndrome

    Yonehiro Kanemura
    Advanced in Cowden Syndrome

    Yonehiro Kanemura
    Referral may be required
    Osaka, JP 

    Yonehiro Kanemura practices practicing medicine in Osaka, Japan. Kanemura is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 26 other conditions, according to our data. Their clinical expertise encompasses Hydrocephalus due to Congenital Stenosis of Aqueduct of Sylvius, Glioma, Gliomatosis Cerebri, Brain Tumor, and Liver Embolization.

    Advanced in Cowden Syndrome

    Naoki Muguruma
    Advanced in Cowden Syndrome

    Naoki Muguruma
    Referral may be required
    Takamatsu, JP 

    Naoki Muguruma practices practicing medicine in Takamatsu, Japan. Mr. Muguruma is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Stomach Cancer, Gastrointestinal Stromal Tumor, Endoscopy, and Colonoscopy.

    Advanced in Cowden Syndrome

    Masami Arai
    Advanced in Cowden Syndrome

    Masami Arai
    Referral may be required
    Hongo, JP 

    Masami Arai practices practicing medicine in Hongo, Japan. Mr. Arai is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Lynch Syndrome, Juvenile Polyposis Syndrome, Familial Adenomatous Polyposis, Oophorectomy, and Mastectomy.

    Advanced in Cowden Syndrome

    Takehito Sato
    Advanced in Cowden Syndrome

    Takehito Sato
    Referral may be required
    Nagoya, JP 

    Takehito Sato practices practicing medicine in Nagoya, Japan. Sato is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Lhermitte-Duclos Disease, Bannayan-Riley-Ruvalcaba Syndrome, Cowden Syndrome, Nicolaides-Baraitser Syndrome, and Awake Craniotomy.

    Advanced in Cowden Syndrome

    Junji Umeno
    Advanced in Cowden Syndrome

    Junji Umeno
    Referral may be required
    Fukuoka, JP 

    Junji Umeno practices practicing medicine in Fukuoka, Japan. Umeno is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 15 other conditions, according to our data. Their clinical expertise encompasses Viral Gastroenteritis, Cranio Osteoarthropathy, Pachydermoperiostosis, Endoscopy, and Colonoscopy.

    Advanced in Cowden Syndrome

    Hideki Ishikawa
    Advanced in Cowden Syndrome

    Hideki Ishikawa
    Referral may be required
    Kyoto, JP 

    Hideki Ishikawa practices practicing medicine in Kyoto, Japan. Mr. Ishikawa is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Familial Colorectal Cancer, Colorectal Cancer, Colonoscopy, and Endoscopy.

    Advanced in Cowden Syndrome

    Hirofumi J. Nakaoka
    Advanced in Cowden Syndrome

    Hirofumi J. Nakaoka
    Referral may be required
    Kagoshima, JP 

    Hirofumi Nakaoka practices practicing medicine in Kagoshima, Japan. Nakaoka is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Gout, PIK3CA-Related Overgrowth Spectrum, Teratoma of the Mediastinum, and Lhermitte-Duclos Disease.

    Advanced in Cowden Syndrome

    Tomoko Tamaoki-Hashimoto
    Advanced in Cowden Syndrome

    Tomoko Tamaoki-Hashimoto
    Referral may be required
    Nishinomiya-hama, JP 

    Tomoko Tamaoki-Hashimoto practices practicing medicine in Nishinomiya-hama, Japan. Ms. Tamaoki-Hashimoto is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Giant Mammary Hamartoma, Mesothelioma, Lhermitte-Duclos Disease, Cowden Syndrome, and Salpingo-Oophorectomy.

    Advanced in Cowden Syndrome

    Takeshi Hiu
    Advanced in Cowden Syndrome

    Takeshi Hiu
    Referral may be required
    Nagasaki, JP 

    Takeshi Hiu practices practicing medicine in Nagasaki, Japan. Mr. Hiu is rated as an Advanced expert by MediFind in the treatment of Cowden Syndrome. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Stroke, Subarachnoid Hemorrhage, Choroid Plexus Cyst, Thrombectomy, and Liver Embolization.

    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 367

    Last Updated: 06/30/2026

    What is the definition of Cowden Syndrome?

    Cowden syndrome is a genetic disorder characterized by multiple noncancerous, tumor-like growths called hamartomas and an increased risk of developing certain cancers.

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

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

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

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

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

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