The 20 Best Hyperthyroidism Doctors in Japan

Find the Top Hyperthyroidism Experts and Specialists

Last Updated: 06/30/2026

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

MediFind found 929 doctor with experience in Hyperthyroidism near Japan. Of these, 799 are Experienced, 100 are Advanced, 28 are Distinguished and 2 are Elite.

Location
LocationClose
929 providers found
    Elite in Hyperthyroidism

    Takashi Akamizu
    Elite in Hyperthyroidism

    Takashi Akamizu
    Referral may be required
    JP 

    Takashi Akamizu practices practicing medicine in Japan. Mr. Akamizu is rated as an Elite expert by MediFind in the treatment of Hyperthyroidism. 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).

    Elite in Hyperthyroidism

    Ai Yoshihara
    Elite in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Naoya Inoue
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Yoh Hidaka
    Distinguished in Hyperthyroidism

    Yoh Hidaka
    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

    Nami Suzuki
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Shuji Fukata
    Distinguished in Hyperthyroidism

    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 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

    Natsuko Watanabe
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Akira Miyauchi
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Yasuhiro H. Takahashi
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Koichi Ito
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Kiminori Sugino
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Eijun Nishihara
    Distinguished in Hyperthyroidism

    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 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

    Masako Matsumoto
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Mikio Watanabe
    Distinguished in Hyperthyroidism

    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 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

    Yoshinori Iwatani
    Distinguished in Hyperthyroidism

    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 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

    Jaeduk Y. Noh
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Katsuhiko Kato
    Distinguished in Hyperthyroidism

    Katsuhiko Kato
    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, Familial Dysautonomia, and Thyroidectomy.

    Distinguished in Hyperthyroidism

    Yuji Nagayama
    Distinguished in Hyperthyroidism

    Yuji Nagayama
    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.

    Distinguished in Hyperthyroidism

    Aya Yoshihara
    Distinguished in Hyperthyroidism

    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 Hyperthyroidism. 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 Hyperthyroidism

    Masayuki Sakurai
    Distinguished in Hyperthyroidism

    Masayuki Sakurai
    Referral may be required
    Sapporo, JP 

    Masayuki Sakurai practices practicing medicine in Sapporo, Japan. Mr. Sakurai 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 Thyroid Cancer, Hyperthyroidism, Papillary Thyroid Cancer, Thyroidectomy, and Angioplasty.

    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 929

    Last Updated: 06/30/2026

    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:

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

    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 

    Read more about our Content Policy.