The 20 Best Graves Disease Doctors in Japan

Find the Top Graves Disease Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 612 doctor with experience in Graves Disease near Japan. Of these, 512 are Experienced, 74 are Advanced, 24 are Distinguished and 2 are Elite.

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612 providers found
    Elite in Graves Disease

    Yoh Hidaka
    Elite in Graves Disease

    Yoh Hidaka
    Referral may be required
    Suita, JP 

    Yoh Hidaka practices practicing medicine in Suita, Japan. Hidaka is rated as an Elite expert by MediFind in the treatment of Graves Disease. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Hashimoto Thyroiditis, Graves Disease, Hyperthyroidism, and Hypothyroidism.

    Elite in Graves Disease

    Ai Yoshihara
    Elite in Graves Disease

    Ai Yoshihara
    Referral may be required
    Shibuya, JP 

    Ai Yoshihara practices practicing medicine in Shibuya, Japan. Ms. Yoshihara is rated as an Elite expert by MediFind in the treatment of Graves Disease. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Graves Disease, Hyperthyroidism, Hypothyroidism, Neonatal Hypothyroidism, and Thyroidectomy.

    Distinguished in Graves Disease

    Naoya Inoue
    Distinguished in Graves Disease

    Naoya Inoue
    Referral may be required
    Kakegawa, JP 

    Naoya Inoue practices practicing medicine in Kakegawa, Japan. Mr. Inoue is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Graves Disease, Hyperthyroidism, Pacemaker Implantation, and Percutaneous Coronary Intervention (PCI).

    Learn about our expert tiers
    Distinguished in Graves Disease

    Takashi Akamizu
    Distinguished in Graves Disease

    Takashi Akamizu
    Referral may be required
    JP 

    Takashi Akamizu practices practicing medicine in Japan. Mr. Akamizu is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Thyroid Storm, Hyperthyroidism, Graves Disease, Thyroidectomy, and Hormone Replacement Therapy (HRT).

    Distinguished in Graves Disease

    Nami Suzuki
    Distinguished in Graves Disease

    Nami Suzuki
    Referral may be required
    Tokyo, JP 

    Nami Suzuki practices practicing medicine in Tokyo, Japan. Ms. Suzuki is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Graves Disease, Hyperthyroidism, Hypothyroidism, Neonatal Hypothyroidism, and Thyroidectomy.

    Distinguished in Graves Disease

    Yasuhiro H. Takahashi
    Distinguished in Graves Disease

    Yasuhiro H. Takahashi
    Referral may be required
    Nagakute, JP 

    Yasuhiro Takahashi practices practicing medicine in Nagakute, Japan. Mr. Takahashi is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Thyroid Eye Disease, Dacryoadenitis, Chemosis, Endoscopy, and Trabeculectomy.

    Distinguished in Graves Disease

    Natsuko Watanabe
    Distinguished in Graves Disease

    Natsuko Watanabe
    Referral may be required
    Tokyo, JP 

    Natsuko Watanabe practices practicing medicine in Tokyo, Japan. Ms. Watanabe is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Hyperthyroidism, Graves Disease, Hypothyroidism, Hormone Replacement Therapy (HRT), and Thyroidectomy.

    Distinguished in Graves Disease

    Akira Miyauchi
    Distinguished in Graves Disease

    Akira Miyauchi
    Referral may be required
    JP 

    Akira Miyauchi practices practicing medicine in Japan. Miyauchi is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. They are also highly rated in 22 other conditions, according to our data. Their clinical expertise encompasses Thyroid Cancer, Papillary Thyroid Cancer, Follicular Thyroid Cancer, Thyroidectomy, and Hormone Replacement Therapy (HRT).

    Distinguished in Graves Disease

    Koichi Ito
    Distinguished in Graves Disease

    Koichi Ito
    Referral may be required
    Tokyo, JP 

    Koichi Ito practices practicing medicine in Tokyo, Japan. Mr. Ito is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Thyroid Cancer, Graves Disease, Follicular Thyroid Cancer, Thyroidectomy, and Endoscopy.

    Distinguished in Graves Disease

    Kiminori Sugino
    Distinguished in Graves Disease

    Kiminori Sugino
    Referral may be required
    Surgical Branch, 
    Tokyo, JP 

    Kiminori Sugino practices practicing medicine in Tokyo, Japan. Sugino is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. They are also highly rated in 10 other conditions, according to our data. Their clinical expertise encompasses Follicular Thyroid Cancer, Thyroid Cancer, Graves Disease, Hyperthyroidism, and Thyroidectomy.

    Distinguished in Graves Disease

    Mikio Watanabe
    Distinguished in Graves Disease

    Mikio Watanabe
    Referral may be required
    Suita, JP 

    Mikio Watanabe practices practicing medicine in Suita, Japan. Mr. Watanabe is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Graves Disease, Hyperthyroidism, and Angioimmunoblastic T-cell Lymphoma.

    Distinguished in Graves Disease

    Masako Matsumoto
    Distinguished in Graves Disease

    Masako Matsumoto
    Referral may be required
    Tokyo, JP 

    Masako Matsumoto practices practicing medicine in Tokyo, Japan. Ms. Matsumoto is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Hyperthyroidism, Graves Disease, Hypothyroidism, Neonatal Hypothyroidism, and Thyroidectomy.

    Distinguished in Graves Disease

    Yoshinori Iwatani
    Distinguished in Graves Disease

    Yoshinori Iwatani
    Referral may be required
    Suita, JP 

    Yoshinori Iwatani practices practicing medicine in Suita, Japan. Mr. Iwatani is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Graves Disease, Hyperthyroidism, and Asymptomatic Bacteriuria.

    Distinguished in Graves Disease

    Aya Yoshihara
    Distinguished in Graves Disease

    Aya Yoshihara
    Referral may be required
    Yokohama, JP 

    Aya Yoshihara practices practicing medicine in Yokohama, Japan. Ms. Yoshihara is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Graves Disease, Hyperthyroidism, Diabetic Ketoacidosis, and Adrenocortical Carcinoma.

    Distinguished in Graves Disease

    Jaeduk Y. Noh
    Distinguished in Graves Disease

    Jaeduk Y. Noh
    Referral may be required
    Shibuya, JP 

    Jaeduk Noh practices practicing medicine in Shibuya, Japan. Noh is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Hyperthyroidism, Graves Disease, Hypothyroidism, Thyroid Cancer, and Thyroidectomy.

    Distinguished in Graves Disease

    Ai Kozaki
    Distinguished in Graves Disease

    Ai Kozaki
    Referral may be required
    Shibuya, JP 

    Ai Kozaki practices practicing medicine in Shibuya, Japan. Ms. Kozaki is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Graves Disease, Hyperthyroidism, and Thyroid Eye Disease.

    Distinguished in Graves Disease

    Shuji Fukata
    Distinguished in Graves Disease

    Shuji Fukata
    Referral may be required
    Kobe, JP 

    Shuji Fukata practices practicing medicine in Kobe, Japan. Mr. Fukata is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hyperthyroidism, Graves Disease, Hypothyroidism, Thyroidectomy, and Hormone Replacement Therapy (HRT).

    Distinguished in Graves Disease

    Eijun Nishihara
    Distinguished in Graves Disease

    Eijun Nishihara
    Referral may be required
    Kobe, JP 

    Eijun Nishihara practices practicing medicine in Kobe, Japan. Nishihara is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Subacute Thyroiditis, Hyperthyroidism, Graves Disease, Thyroidectomy, and Hormone Replacement Therapy (HRT).

    Distinguished in Graves Disease

    Yuji Hiromatsu
    Distinguished in Graves Disease

    Yuji Hiromatsu
    Referral may be required
    Koga, JP 

    Yuji Hiromatsu practices practicing medicine in Koga, Japan. Mr. Hiromatsu is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Graves Disease, Hyperthyroidism, Thyroid Eye Disease, and Hypothyroidism.

    Distinguished in Graves Disease

    Ken Okamura
    Distinguished in Graves Disease

    Ken Okamura
    Referral may be required
    Fukuoka, JP 

    Ken Okamura practices practicing medicine in Fukuoka, Japan. Mr. Okamura is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hyperthyroidism, Graves Disease, Thyroid Storm, Hypothyroidism, and Thyroidectomy.

    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 612

    Last Updated: 06/30/2026

    What is the definition of Graves Disease?

    Graves disease is an autoimmune disease that leads to an overactive thyroid gland (hyperthyroidism). An autoimmune disease is a condition that occurs when the immune system mistakenly attacks healthy tissue.

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

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

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

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

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

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

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