The 20 Best RASopathies Doctors Near Me in Osaka, JP

Find the Top RASopathies Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 34 doctor with experience in RASopathies near Osaka, JP. Of these, 30 are Experienced, 2 are Distinguished, 1 are Advanced and 1 are Elite.

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34 providers found
    Elite in RASopathies

    Yoichi Matsubara
    Elite in RASopathies

    Yoichi Matsubara
    Referral may be required
    Osaka, JP 

    Yoichi Matsubara practices practicing medicine in Osaka, Japan. Mr. Matsubara is rated as an Elite expert by MediFind in the treatment of RASopathies. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Costello Syndrome, RASopathies, Noonan Syndrome, Rommen Mueller Sybert Syndrome, and Trabeculectomy.

    Distinguished in RASopathies

    Nobuhiko Okamoto
    Distinguished in RASopathies

    Nobuhiko Okamoto
    Referral may be required
    Izumi, JP 

    Nobuhiko Okamoto practices practicing medicine in Izumi, Japan. Okamoto is rated as a Distinguished expert by MediFind in the treatment of RASopathies. They are also highly rated in 64 other conditions, according to our data. Their clinical expertise encompasses Bosma Arhinia Microphthalmia Syndrome, Micrognathia, Nicolaides-Baraitser Syndrome, Pancreaticoduodenectomy, and Endoscopy.

    Distinguished in RASopathies

    Naotaka Okamoto
    Distinguished in RASopathies

    Naotaka Okamoto
    Referral may be required
    Osaka, JP 

    Naotaka Okamoto practices practicing medicine in Osaka, Japan. Okamoto is rated as a Distinguished expert by MediFind in the treatment of RASopathies. They are also highly rated in 25 other conditions, according to our data. Their clinical expertise encompasses Alpha Thalassemia X-Linked Intellectual Disability Syndrome, Cerebellar Hypoplasia, Atrial Fibrillation, Cardiac Ablation, and Atherectomy.

    Are you looking for a specific type of RASopathies?

    Common conditions include: Cardiofaciocutaneous Syndrome, Cardiomyopathic Lentiginosis, Costello Syndrome, Legius Syndrome, Noonan Syndrome

    Learn about our expert tiers
    Advanced in RASopathies

    Yasuko Shoji
    Advanced in RASopathies

    Yasuko Shoji
    Referral may be required
    Izumi, JP 

    Yasuko Shoji practices practicing medicine in Izumi, Japan. Ms. Shoji is rated as an Advanced expert by MediFind in the treatment of RASopathies. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Noonan Syndrome, Small for Gestational Age, RASopathies, Prader-Willi Syndrome, and Ileostomy.

    Experienced in RASopathies

    Keiichi Ozono
    Experienced in RASopathies

    Keiichi Ozono
    Referral may be required
    Osaka, JP 

    Keiichi Ozono practices practicing medicine in Osaka, Japan. Ozono is rated as an Experienced expert by MediFind in the treatment of RASopathies. They are also highly rated in 47 other conditions, according to our data. Their clinical expertise encompasses Achondroplasia, Hypophosphatasia (HPP), Rickets, Osteotomy, and Hormone Replacement Therapy (HRT).

    Experienced in RASopathies

    Shinobu Ida
    Experienced in RASopathies

    Shinobu Ida
    Referral may be required
    Osaka, JP 

    Shinobu Ida practices practicing medicine in Osaka, Japan. Ida is rated as an Experienced expert by MediFind in the treatment of RASopathies. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Small for Gestational Age, Prader-Willi Syndrome, Intersex, and Gastroesophageal Reflux in Infants.

    Experienced in RASopathies

    Jun Mori
    Experienced in RASopathies

    Jun Mori
    Referral may be required
    Osaka, JP 

    Jun Mori practices practicing medicine in Osaka, Japan. Mr. Mori is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Pediatric Growth Hormone Deficiency, Growth Hormone Deficiency (GHD), Hypopituitarism, Neural Crest Tumor, and Hormone Replacement Therapy (HRT).

    Experienced in RASopathies

    Yuri Etani
    Experienced in RASopathies

    Yuri Etani
    Referral may be required
    Osaka, JP 

    Yuri Etani practices practicing medicine in Osaka, Japan. Etani is rated as an Experienced expert by MediFind in the treatment of RASopathies. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Small for Gestational Age, Prader-Willi Syndrome, Eosinophilic Cystitis, Noonan Syndrome, and Gastrostomy.

    Experienced in RASopathies

    Eriko Nishi
    Experienced in RASopathies

    Eriko Nishi
    Referral may be required
    Izumi, JP 

    Eriko Nishi practices practicing medicine in Izumi, Japan. Ms. Nishi is rated as an Experienced expert by MediFind in the treatment of RASopathies. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses 1p36 Deletion Syndrome, Grix Blankenship Peterson Syndrome, Short Philtrum, Lithotripsy, and Ureteroscopy.

    Experienced in RASopathies

    Kimiko Ueda
    Experienced in RASopathies

    Kimiko Ueda
    Referral may be required
    Osaka, JP 

    Kimiko Ueda practices practicing medicine in Osaka, Japan. Ms. Ueda is rated as an Experienced expert by MediFind in the treatment of RASopathies. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Short Philtrum, Epicanthal Folds, Micrognathia, and Legius Syndrome.

    Experienced in RASopathies

    Masayoshi Iwamae
    Experienced in RASopathies

    Masayoshi Iwamae
    Referral may be required
    Osaka, JP 

    Masayoshi Iwamae practices practicing medicine in Osaka, Japan. Mr. Iwamae is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Lordosis, Kyphosis, Cervical Myelopathy, Osteotomy, and Spinal Fusion.

    Experienced in RASopathies

    Masatoshi Hoshino
    Experienced in RASopathies

    Masatoshi Hoshino
    Referral may be required
    Osaka, JP 

    Masatoshi Hoshino practices practicing medicine in Osaka, Japan. Mr. Hoshino is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Fractured Spine, Spinal Stenosis, Kyphosis, Vertebroplasty, and Spinal Fusion.

    Experienced in RASopathies

    Hiroaki Nakamura
    Experienced in RASopathies

    Hiroaki Nakamura
    Referral may be required
    Osaka, JP 

    Hiroaki Nakamura practices practicing medicine in Osaka, Japan. Mr. Nakamura is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Arthritis, Rheumatoid Arthritis (RA), Spinal Stenosis, Knee Replacement, and Osteotomy.

    Experienced in RASopathies

    Takatoshi Maeyama
    Experienced in RASopathies

    Takatoshi Maeyama
    Referral may be required
    Osaka, JP 

    Takatoshi Maeyama practices practicing medicine in Osaka, Japan. Maeyama is rated as an Experienced expert by MediFind in the treatment of RASopathies. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Small for Gestational Age, Nephrogenic Diabetes Insipidus, Diabetes Insipidus (DI), Precocious Puberty, and Gastrostomy.

    Experienced in RASopathies

    Takehito Yokoi
    Experienced in RASopathies

    Takehito Yokoi
    Referral may be required
    Osaka, JP 

    Takehito Yokoi practices practicing medicine in Osaka, Japan. Yokoi is rated as an Experienced expert by MediFind in the treatment of RASopathies. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Severe Congenital Neutropenia, Chromosome 7p Deletion, Chronic Familial Neutropenia, and Acute Erythroid Leukemia (AEL).

    Experienced in RASopathies

    Yasuhiro Takeshima
    Experienced in RASopathies

    Yasuhiro Takeshima
    Referral may be required
    Kashihara, JP 

    Yasuhiro Takeshima practices practicing medicine in Kashihara, Japan. Mr. Takeshima is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Duchenne Muscular Dystrophy, Becker Muscular Dystrophy, Spinal Muscular Atrophy (SMA), Thrombectomy, and Spinal Fusion.

    Experienced in RASopathies

    Shinji Higuchi
    Experienced in RASopathies

    Shinji Higuchi
    Referral may be required
    Osaka, JP 

    Shinji Higuchi practices practicing medicine in Osaka, Japan. Mr. Higuchi is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Congenital Hypothyroidism, Hypothyroidism, Neonatal Hypothyroidism, Congenital Hyperinsulinism, and Hormone Replacement Therapy (HRT).

    Experienced in RASopathies

    Yohei Miyashita
    Experienced in RASopathies

    Yohei Miyashita
    Referral may be required
    Suita, JP 

    Yohei Miyashita practices practicing medicine in Suita, Japan. Mr. Miyashita is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Brachydactyly, Restrictive Cardiomyopathy (RCM), Focal Dermal Hypoplasia, Oculodentodigital Dysplasia, and Gastrostomy.

    Experienced in RASopathies

    Atsushi Kyodo
    Experienced in RASopathies

    Atsushi Kyodo
    Referral may be required
    Kashihara, JP 

    Atsushi Kyodo practices practicing medicine in Kashihara, Japan. Mr. Kyodo is rated as an Experienced expert by MediFind in the treatment of RASopathies. His clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Coronary Heart Disease, Heart Attack, Percutaneous Coronary Intervention (PCI), and Atherectomy.

    Experienced in RASopathies

    Shigeki Arawaka
    Experienced in RASopathies

    Shigeki Arawaka
    Referral may be required
    Osaka, JP 

    Shigeki Arawaka practices practicing medicine in Osaka, Japan. Mr. Arawaka is rated as an Experienced expert by MediFind in the treatment of RASopathies. His clinical expertise encompasses Parkinson's Disease, Movement Disorders, Guillain-Barre Syndrome, and Subacute Combined Degeneration.

    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 34

    Last Updated: 06/30/2026

    What is the definition of RASopathies?

    RASopathies are a group of rare syndromes causes by mutations in the genes that make proteins for the Ras/MAPK cell signaling pathway. This pathway controls cell functions such as cell growth, cell maturation, and cell death. There are several types of RASopathy syndromes, including cardiofaciocutaneous syndrome, Costello syndrome, Legius syndrome, neurofibromatosis type 1, Noonan syndrome, and capillary malformation-arteriovenous malformation syndrome.

    When should I see a RASopathies doctor in Osaka, JP?

    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 RASopathies doctor in Osaka, JP?

    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 RASopathies doctor in Osaka, JP?

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

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    How does MediFind rank RASopathies doctors in Osaka, JP?

    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 RASopathies doctors in Osaka, JP?

    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 RASopathies doctor in Osaka, JP?

    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 RASopathies doctor search results page. 

    Why is it important to get a second opinion from a different RASopathies 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 RASopathies doctor in Osaka, JP?

    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 RASopathies 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 RASopathies 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 RASopathies doctors in Osaka, JP?

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

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