The 20 Best Growth Hormone Deficiency (GHD) Doctors in Japan

Find the Top Growth Hormone Deficiency (GHD) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 239 doctor with experience in Growth Hormone Deficiency (GHD) near Japan. Of these, 223 are Experienced, 12 are Advanced, 2 are Distinguished and 2 are Elite.

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239 providers found
    Elite in Growth Hormone Deficiency (GHD)

    Reiko Horikawa
    Elite in Growth Hormone Deficiency (GHD)

    Reiko Horikawa
    Tokyo, JP 

    Reiko Horikawa practices practicing medicine in Tokyo, Japan. Ms. Horikawa is rated as an Elite expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). She is also highly rated in 32 other conditions, according to our data. Her clinical expertise encompasses Pediatric Growth Hormone Deficiency, Small for Gestational Age, Growth Hormone Deficiency (GHD), Hormone Replacement Therapy (HRT), and Liver Transplant.

    Elite in Growth Hormone Deficiency (GHD)

    Toshiaki Tanaka
    Elite in Growth Hormone Deficiency (GHD)

    Toshiaki Tanaka
    Sapporo, JP 

    Toshiaki Tanaka practices practicing medicine in Sapporo, Japan. Mr. Tanaka is rated as an Elite expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Small for Gestational Age, Pediatric Growth Hormone Deficiency, Short Stature (Growth Disorders), Endoscopy, and Colonoscopy.

    Distinguished in Growth Hormone Deficiency (GHD)

    Jun Mori
    Distinguished in Growth Hormone Deficiency (GHD)

    Jun Mori
    Osaka, JP 

    Jun Mori practices practicing medicine in Osaka, Japan. Mr. Mori is rated as a Distinguished expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Pediatric Growth Hormone Deficiency, Growth Hormone Deficiency (GHD), Swyer-James Syndrome, Hypopituitarism, and Hormone Replacement Therapy (HRT).

    Learn about our expert tiers
    Distinguished in Growth Hormone Deficiency (GHD)

    Tomonobu Hasegawa
    Distinguished in Growth Hormone Deficiency (GHD)

    Tomonobu Hasegawa
    Tokyo, JP 

    Tomonobu Hasegawa practices practicing medicine in Tokyo, Japan. Hasegawa is rated as a Distinguished expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). They are also highly rated in 62 other conditions, according to our data. Their clinical expertise encompasses Congenital Hypothyroidism, Panhypopituitarism, Hypothyroidism, Hormone Replacement Therapy (HRT), and Orchiectomy.

    Advanced in Growth Hormone Deficiency (GHD)

    Koji Takano
    Advanced in Growth Hormone Deficiency (GHD)

    Koji Takano
    Tokyo, JP 

    Koji Takano practices practicing medicine in Tokyo, Japan. Mr. Takano is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Growth Hormone Deficiency (GHD), Hypopituitarism, Hypothalamic Tumor, Hormone Replacement Therapy (HRT), and Osteotomy.

    Advanced in Growth Hormone Deficiency (GHD)

    Yasufumi Seki
    Advanced in Growth Hormone Deficiency (GHD)

    Yasufumi Seki
    Tokyo, JP 

    Yasufumi Seki practices practicing medicine in Tokyo, Japan. Seki is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). They are also highly rated in 10 other conditions, according to our data. Their clinical expertise encompasses Rathke Cleft Cyst, Hyperaldosteronism, Pituitary Tumor, Sleeve Gastrectomy, and Gastrectomy.

    Advanced in Growth Hormone Deficiency (GHD)

    Shigeyuki Tahara
    Advanced in Growth Hormone Deficiency (GHD)

    Shigeyuki Tahara
    Rugby Football Club, 
    Yokohama, JP 

    Shigeyuki Tahara practices practicing medicine in Yokohama, Japan. Mr. Tahara is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hypothalamic Tumor, Pituitary Tumor, Rathke Cleft Cyst, Nerve Decompression, and Endoscopy.

    Advanced in Growth Hormone Deficiency (GHD)

    Kazuo Chihara
    Advanced in Growth Hormone Deficiency (GHD)

    Kazuo Chihara
    Akashi, JP 

    Kazuo Chihara practices practicing medicine in Akashi, Japan. Mr. Chihara is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Growth Hormone Deficiency (GHD), Hypopituitarism, Sheehan Syndrome, Pediatric Growth Hormone Deficiency, and Hormone Replacement Therapy (HRT).

    Advanced in Growth Hormone Deficiency (GHD)

    Fumio Otsuka
    Advanced in Growth Hormone Deficiency (GHD)

    Fumio Otsuka
    Okayama, JP 

    Fumio Otsuka practices practicing medicine in Okayama, Japan. Mr. Otsuka is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Long Haul COVID, Lymphoid Hyperplasia, Castleman Disease, Endoscopy, and Colonoscopy.

    Advanced in Growth Hormone Deficiency (GHD)

    Susumu Yokoya
    Advanced in Growth Hormone Deficiency (GHD)

    Susumu Yokoya
    Fukushima, JP 

    Susumu Yokoya practices practicing medicine in Fukushima, Japan. Mr. Yokoya is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Small for Gestational Age, Rommen Mueller Sybert Syndrome, Noonan Syndrome, Short Stature (Growth Disorders), and Hormone Replacement Therapy (HRT).

    Advanced in Growth Hormone Deficiency (GHD)

    Atsuhiro Ichihara
    Advanced in Growth Hormone Deficiency (GHD)

    Atsuhiro Ichihara
    Shinjuku, JP 

    Atsuhiro Ichihara practices practicing medicine in Shinjuku, Japan. Ichihara is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). They are also highly rated in 18 other conditions, according to our data. Their clinical expertise encompasses Hypertension, Hyperaldosteronism, Cushing's syndrome due to Adrenal Tumor, Pancreaticoduodenectomy, and Hormone Replacement Therapy (HRT).

    Advanced in Growth Hormone Deficiency (GHD)

    Akira Shimatsu
    Advanced in Growth Hormone Deficiency (GHD)

    Akira Shimatsu
    Kusatsu, JP 

    Akira Shimatsu practices practicing medicine in Kusatsu, Japan. Shimatsu is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). They are also highly rated in 15 other conditions, according to our data. Their clinical expertise encompasses Cushing's disease, Hyperaldosteronism, Thyroid Storm, Hormone Replacement Therapy (HRT), and Sleeve Gastrectomy.

    Advanced in Growth Hormone Deficiency (GHD)

    Daisuke Ariyasu
    Advanced in Growth Hormone Deficiency (GHD)

    Daisuke Ariyasu
    Kawasaki, JP 

    Daisuke Ariyasu practices practicing medicine in Kawasaki, Japan. Mr. Ariyasu is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Growth Hormone Deficiency (GHD), Hypopituitarism, 5-Alpha Reductase Deficiency, and Fructose-1,6-Bisphosphatase Deficiency.

    Advanced in Growth Hormone Deficiency (GHD)

    Yukihiro Hasegawa
    Advanced in Growth Hormone Deficiency (GHD)

    Yukihiro Hasegawa
    Tama, JP 

    Yukihiro Hasegawa practices practicing medicine in Tama, Japan. Hasegawa is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). They are also highly rated in 26 other conditions, according to our data. Their clinical expertise encompasses Turner Syndrome, Intersex, Hypothyroidism, Hormone Replacement Therapy (HRT), and Orchiectomy.

    Advanced in Growth Hormone Deficiency (GHD)

    Tsuyoshi Isojima
    Advanced in Growth Hormone Deficiency (GHD)

    Tsuyoshi Isojima
    Toranomon, JP 

    Tsuyoshi Isojima practices practicing medicine in Toranomon, Japan. Mr. Isojima is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Nail-Patella Syndrome, Noonan Syndrome, Turner Syndrome, Caffey Disease, and Hormone Replacement Therapy (HRT).

    Advanced in Growth Hormone Deficiency (GHD)

    Hitoshi Ishii
    Advanced in Growth Hormone Deficiency (GHD)

    Hitoshi Ishii
    Kashihara-shi, JP 

    Hitoshi Ishii practices practicing medicine in Kashihara-shi, Japan. Mr. Ishii is rated as an Advanced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), End-Stage Renal Disease (ESRD), Low Blood Sugar, Percutaneous Coronary Intervention (PCI), and Hormone Replacement Therapy (HRT).

    Experienced in Growth Hormone Deficiency (GHD)

    Hiroyuki Moriuchi
    Experienced in Growth Hormone Deficiency (GHD)

    Hiroyuki Moriuchi
    Nagasaki, JP 

    Hiroyuki Moriuchi practices practicing medicine in Nagasaki, Japan. Mr. Moriuchi is rated as an Experienced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Rubella, Togaviridae Disease, Congenital Cytomegalovirus, and Cytomegalic Inclusion Disease.

    Experienced in Growth Hormone Deficiency (GHD)

    Genzo Iguchi
    Experienced in Growth Hormone Deficiency (GHD)

    Genzo Iguchi
    Kobe, JP 

    Genzo Iguchi practices practicing medicine in Kobe, Japan. Iguchi is rated as an Experienced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). They are also highly rated in 14 other conditions, according to our data. Their clinical expertise encompasses Isolated ACTH Deficiency, Granulomatous Hypophysitis, Hypertrichosis-Acromegaloid Facial Appearance Syndrome, Acromegaloid Facial Appearance Syndrome, and Hormone Replacement Therapy (HRT).

    Experienced in Growth Hormone Deficiency (GHD)

    Yuka Yo
    Experienced in Growth Hormone Deficiency (GHD)

    Yuka Yo
    Kobe, JP 

    Yuka Yo practices practicing medicine in Kobe, Japan. Ms. Yo is rated as an Experienced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). Her clinical expertise encompasses Growth Hormone Deficiency (GHD), Cushing's syndrome due to Adrenal Tumor, Glucocorticoid Resistance, Cushing's syndrome, and Hormone Replacement Therapy (HRT).

    Experienced in Growth Hormone Deficiency (GHD)

    Maki Fukami
    Experienced in Growth Hormone Deficiency (GHD)

    Maki Fukami
    Setagaya, JP 

    Maki Fukami practices practicing medicine in Setagaya, Japan. Fukami is rated as an Experienced expert by MediFind in the treatment of Growth Hormone Deficiency (GHD). They are also highly rated in 67 other conditions, according to our data. Their clinical expertise encompasses Breast Enlargement In Males, Short Stature (Growth Disorders), Intersex, and Idiopathic Short Stature (ISS).

    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 239

    Last Updated: 04/28/2026

    What is growth hormone deficiency?  

    Growth hormone deficiency can be present at birth (or congenital) or develop later in life (or acquired) due to injury or illness. The deficiency happens when the pituitary gland – a small organ at the base of the brain – doesn’t make enough human growth hormone (HGH). 

    HGH is important for helping children grow and develop normally. Without enough of it, they may grow slower or stop growing altogether. They may also have delayed puberty.  

    In adults, HGH helps maintain muscle mass, bone density, and energy levels. Not enough of it can cause tiredness, weight gain, and weak muscles. When adults develop growth hormone deficiency, it’s usually the result of a brain tumor or severe brain injury. Sometimes it can be the result of chronic swelling of the pituitary called hypophysitis, a condition that develops after treatment with certain cancer medications. 

    Which doctors treat growth hormone deficiency?  

    A pediatric endocrinologist is a doctor who treats hormone problems in children and teens. They focus on conditions that affect growth and development, like growth hormone deficiency, early or delayed puberty, diabetes in children, and thyroid problems. Pediatric endocrinologists are specially trained to understand how hormone issues affect children as they grow and develop. They know how to work with families to manage a child’s condition over time. 

    An endocrinologist is a doctor who treats hormone disorders in adults. They deal with conditions like diabetes, thyroid problems, osteoporosis, and hormone imbalances related to the pituitary, adrenal, and other glands. Endocrinologists manage health issues that arise when the body produces too much or too little of a hormone, affecting things like energy, metabolism, and reproduction. 

    How is growth hormone deficiency treated? 

    Growth hormone therapy is a common treatment for growth hormone deficiency and usually involves daily hormone shots. These injections contain a man-made version of the growth hormone that mimics the natural hormone. Patients or family members are taught how to give the shots at home. 

    In children, the shots help them grow taller, build stronger bones, and develop muscles. For adults, the treatment can improve energy levels, reduce body fat, and increase muscle strength. In both cases, regular visits to the doctor are essential for monitoring treatment progress and making dosage adjustments as needed. 

    What is the best age to start growth hormone treatment? 

    Growth hormone treatment should be started as soon as growth hormone deficiency is diagnosed. For children with growth hormone deficiency, early treatment is especially important because it improves their chances of catching up in height before puberty ends. Starting therapy early allows the body to respond better to the hormone, leading to faster and more effective growth. If treatment is delayed, the child might not reach their full height potential. For adults with growth hormone deficiency, starting treatment as soon as symptoms appear can help improve their energy, muscle mass, and overall health. 

    Does health insurance cover growth hormone therapy? 

    Many health insurance plans cover growth hormone therapy, but it depends on the specific insurance policy. Before starting treatment, it’s important to check with the insurance provider to see what is covered. Because growth hormone therapy is expensive, insurance companies may want to see proof from a doctor that the treatment is necessary. Some insurance plans may ask for more tests or paperwork before they approve coverage. It’s a good idea to talk to your doctor and insurance provider to understand what costs might be covered and if there are any limits on the treatment. 

    When should I see a Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) doctor in Japan?

    You can find a Growth Hormone Deficiency (GHD) doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) doctor search results page. 

    Why is it important to get a second opinion from a different Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) doctors in Japan?

    Look for the filter feature on the left side of the Growth Hormone Deficiency (GHD) 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 Growth Hormone Deficiency (GHD) doctor that offers video calls?

    Look for the filter feature on the left-side of the Growth Hormone Deficiency (GHD) 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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