The 20 Best Hyperthyroidism Doctors in Japan

Find the Top Hyperthyroidism Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 937 doctor with experience in Hyperthyroidism near Japan. Of these, 805 are Experienced, 105 are Advanced, 25 are Distinguished and 2 are Elite.

Location
LocationClose
937 providers found
    Elite in Hyperthyroidism
    Elite in Hyperthyroidism
    Referral may be required
    Kobe, JP 

    Takashi Akamizu practices practicing medicine in Kobe, Japan. Mr. Akamizu is rated as an Elite expert by MediFind in the treatment of Hyperthyroidism. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Thyroid Storm, Hyperthyroidism, Graves Disease, Thyroidectomy, and Hormone Replacement Therapy (HRT).

    Elite in Hyperthyroidism
    Elite in Hyperthyroidism
    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 Hyperthyroidism. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Graves Disease, Hyperthyroidism, Hypothyroidism, Neonatal Hypothyroidism, and Thyroidectomy.

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Kurashiki, JP 

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

    Learn about our expert tiers
    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Shibuya, JP 

    Nami Suzuki practices practicing medicine in Shibuya, Japan. Ms. Suzuki is rated as a Distinguished expert by MediFind in the treatment of Hyperthyroidism. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Hyperthyroidism, Graves Disease, Hypothyroidism, Neonatal Hypothyroidism, and Thyroidectomy.

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    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 Hyperthyroidism. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Hyperthyroidism, Graves Disease, Hypothyroidism, Hormone Replacement Therapy (HRT), and Thyroidectomy.

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    JP 

    Shuji Fukata practices practicing medicine in Japan. Mr. Fukata is rated as a Distinguished expert by MediFind in the treatment of Hyperthyroidism. 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 Hyperthyroidism
    Distinguished in Hyperthyroidism
    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 Hyperthyroidism. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Thyroid Eye Disease, Dacryoadenitis, Chemosis, Trabeculectomy, and Endoscopy.

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    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 Hyperthyroidism. They are also highly rated in 21 other conditions, according to our data. Their clinical expertise encompasses Thyroid Cancer, Papillary Thyroid Cancer, Follicular Thyroid Cancer, Thyroidectomy, and Spinal Fusion.

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    The University Of Tokyo, 
    Kashiwa, JP 

    Koichi Ito practices practicing medicine in Kashiwa, Japan. Mr. Ito is rated as a Distinguished expert by MediFind in the treatment of Hyperthyroidism. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Thyroid Cancer, Hyperthyroidism, Graves Disease, Thyroidectomy, and Hormone Replacement Therapy (HRT).

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    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 Hyperthyroidism. They are also highly rated in 12 other conditions, according to our data. Their clinical expertise encompasses Follicular Thyroid Cancer, Thyroid Cancer, Graves Disease, Hyperthyroidism, and Thyroidectomy.

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Shibuya, JP 

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

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    JP 

    Eijun Nishihara practices practicing medicine in Japan. Nishihara is rated as a Distinguished expert by MediFind in the treatment of Hyperthyroidism. 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 Hyperthyroidism
    Distinguished in Hyperthyroidism
    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 Hyperthyroidism. 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 Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Suita, JP 

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

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    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 Hyperthyroidism. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Hyperthyroidism, Graves Disease, Hypothyroidism, Subacute Thyroiditis, and Thyroidectomy.

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    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 Hyperthyroidism. 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 Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Nagoya, JP 

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

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Tokyo, JP 

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

    Distinguished in Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Kurume, JP 

    Yuji Hiromatsu practices practicing medicine in Kurume, Japan. Mr. Hiromatsu is rated as a Distinguished expert by MediFind in the treatment of Hyperthyroidism. 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 Hyperthyroidism
    Distinguished in Hyperthyroidism
    Referral may be required
    Yamashita, JP 

    Yuji Nagayama practices practicing medicine in Yamashita, Japan. Mr. Nagayama is rated as a Distinguished expert by MediFind in the treatment of Hyperthyroidism. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Hyperthyroidism, Graves Disease, Thyroid Cancer, Hormone Replacement Therapy (HRT), 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 937

    Last Updated: 11/08/2026

    What is the definition of Hyperthyroidism?

    Hyperthyroidism is a condition in which the thyroid gland makes too much thyroid hormone. The condition is often called overactive thyroid.

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

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

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

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

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

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