Filters

Specialty
Additional Specialty
Distance
    Gender
    Insurance
    Availability
    Language
    Years of Experience
    Level of Expertise

    Last Updated: 01/09/2026

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

    MediFind found 18 doctor with experience in RASopathies near Saitama, JP. Of these, 14 are Experienced and 4 are Advanced.

    Location
    LocationClose
    18 providers found
      Advanced in RASopathies
      Advanced in RASopathies
      Crest, 
      Kawaguchi, JP 

      Naomichi Matsumoto practices in Kawaguchi, Japan. Matsumoto is rated as an Advanced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are West Syndrome, Coffin-Siris Syndrome, Neuronal Intranuclear Inclusion Disease (NIID), Gastrostomy, and Pancreaticoduodenectomy.

      Advanced in RASopathies
      Advanced in RASopathies
      Saitama, JP 

      Hirofumi Ohashi practices in Saitama, Japan. Ohashi is rated as an Advanced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Miller Syndrome, Wolf-Hirschhorn Syndrome, Schwartz-Jampel Syndrome, and X-Linked Spondyloepiphyseal Dysplasia Tarda.

      Advanced in RASopathies
      Advanced in RASopathies
      Saitama, JP 

      Toshiro Nagai practices in Saitama, Japan. Mr. Nagai is rated as an Advanced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Prader-Willi Syndrome, Noonan Syndrome, RASopathies, Turner Syndrome, and Hormone Replacement Therapy (HRT).

      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
      Advanced in RASopathies
      Koshigaya, JP 

      Satoru Sakazume practices in Koshigaya, Japan. Mr. Sakazume is rated as an Advanced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Noonan Syndrome, RASopathies, Prader-Willi Syndrome, and Simpson-Golabi-Behmel Syndrome.

      Experienced in RASopathies
      Experienced in RASopathies
      Sakado, JP 

      Saori Takagi practices in Sakado, Japan. Ms. Takagi is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Methemoglobinemia, Noonan Syndrome, RASopathies, and Acute Pain.

      Experienced in RASopathies
      Experienced in RASopathies
      Sakado, JP 

      Hikaru Kohase practices in Sakado, Japan. Kohase is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Methemoglobinemia, Noonan Syndrome, Acute Pain, and RASopathies.

      Experienced in RASopathies
      Experienced in RASopathies
      Saitama, JP 

      Kazuhito Nonaka practices in Saitama, Japan. Nonaka is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Cardiofaciocutaneous Syndrome, Kawasaki Disease, Rhabdomyolysis, and Clouston Syndrome.

      Experienced in RASopathies
      Experienced in RASopathies
      Sakado, JP 

      Yuka Oono practices in Sakado, Japan. Ms. Oono is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Acute Pain, Methemoglobinemia, Noonan Syndrome, and Bell's Palsy.

      Experienced in RASopathies
      Experienced in RASopathies
      Hidaka, JP 

      Akinori Hirano practices in Hidaka, Japan. Hirano is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Atrial Septal Defect (ASD), Truncus Arteriosus, Cardiofaciocutaneous Syndrome, and Aortopulmonary Window.

      Experienced in RASopathies
      Experienced in RASopathies
      Morohongo, JP 

      Hiroshi Nagasaka practices in Morohongo, Japan. Mr. Nagasaka is rated as an Experienced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Hyperthermia, Epidural Hematoma, Low Blood Pressure, Methemoglobinemia, and Endoscopy.

      Experienced in RASopathies
      Experienced in RASopathies
      Saitama, JP 

      Katsuaki Taira practices in Saitama, Japan. Taira is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Costello Syndrome, Dandy-Walker Syndrome, Sotos Syndrome, and Scoliosis.

      Experienced in RASopathies
      Experienced in RASopathies
      Saitama, JP 

      Kazuto Yamaguchi practices in Saitama, Japan. Mr. Yamaguchi is rated as an Experienced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Aortic Valve Stenosis, Doxorubicin-Induced Cardiomyopathy, Wolff-Parkinson-White Syndrome, and Costello Syndrome.

      Experienced in RASopathies
      Experienced in RASopathies
      Saitama, JP 

      Naho Nemoto practices in Saitama, Japan. Nemoto is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Costello Syndrome, Dandy-Walker Syndrome, Accessory Deep Peroneal Nerve, and Scoliosis.

      Experienced in RASopathies
      Experienced in RASopathies
      Morohongo, JP 

      Noritaka Imamachi practices in Morohongo, Japan. Imamachi is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Epidural Hematoma, Costello Syndrome, RASopathies, and Acute Pain.

      Experienced in RASopathies
      Experienced in RASopathies
      Wako, JP 

      Nobuhisa Umeki practices in Wako, Japan. Umeki is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Noonan Syndrome and RASopathies.

      Experienced in RASopathies
      Experienced in RASopathies
      Saitama, JP 

      Ko Ichihashi practices in Saitama, Japan. Ichihashi is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Newborn Low Blood Sugar, Kawasaki Disease, Newborn Polycythemia, and Cardiofaciocutaneous Syndrome.

      Experienced in RASopathies
      Experienced in RASopathies
      Wako, JP 

      Yasushi Sako practices in Wako, Japan. Sako is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Noonan Syndrome and RASopathies.

      Experienced in RASopathies
      Experienced in RASopathies
      Saitama, JP 

      Noboru Oikawa practices in Saitama, Japan. Mr. Oikawa is rated as an Experienced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Costello Syndrome, Dandy-Walker Syndrome, Accessory Deep Peroneal Nerve, and Scoliosis.

      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 1-18 of 18

      Last Updated: 01/09/2026

      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 Saitama, 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 Saitama, 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 does MediFind rank RASopathies doctors in Saitama, 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 Saitama, 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 Saitama, 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 Saitama, 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 Saitama, 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 

      Read more about our Content Policy