The 20 Best RASopathies Doctors Near Me in Hokkaido, JP

Find the Top RASopathies Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 20 doctor with experience in RASopathies near Hokkaido, JP. Of these, 20 are Experienced.

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20 providers found
    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Tokimasa Hida practices practicing medicine in Sapporo, Japan. Hida is rated as an Experienced expert by MediFind in the treatment of RASopathies. They are also highly rated in 12 other conditions, according to our data. Their clinical expertise encompasses Cafe-Au-Lait Spots, Sebaceous Adenoma, Melanoma, and Legius Syndrome.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Masae Okura practices practicing medicine in Sapporo, Japan. Ms. Okura 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 Legius Syndrome, Cafe-Au-Lait Spots, Cardiofaciocutaneous Syndrome, and RASopathies.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Aki Ishikawa practices practicing medicine in Sapporo, Japan. Ishikawa is rated as an Experienced expert by MediFind in the treatment of RASopathies. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Legius Syndrome, Fetal Parvovirus Syndrome, Parvovirus Antenatal Infection, and Piebaldism.

    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
    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Hisashi Uhara practices practicing medicine in Sapporo, Japan. Mr. Uhara is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Melanoma, Extramammary Paget Disease, Legius Syndrome, Cafe-Au-Lait Spots, and Nephrectomy.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Sayuri Sato practices practicing medicine in Sapporo, Japan. Ms. Sato 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 Extramammary Paget Disease, Melanoma, Cardiofaciocutaneous Syndrome, and Clouston Syndrome.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Asahikawa, JP 

    Mitsumaro Nii practices practicing medicine in Asahikawa, Japan. Nii is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their clinical expertise encompasses Coronary Artery Fistula, Costello Syndrome, RASopathies, and Coarctation of the Aorta.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Naoya Kinota practices practicing medicine in Sapporo, Japan. Mr. Kinota is rated as an Experienced expert by MediFind in the treatment of RASopathies. His clinical expertise encompasses Cardiofaciocutaneous Syndrome, Median Arcuate Ligament Syndrome (MALS), Pleurisy, Stent Placement, and Liver Embolization.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Makiko Shibuya practices practicing medicine in Sapporo, Japan. Ms. Shibuya is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Methemoglobinemia, Citrullinemia, Cohen Syndrome, and Low Blood Pressure.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Asahikawa, JP 

    Toshio Okamoto practices practicing medicine in Asahikawa, Japan. Mr. Okamoto is rated as an Experienced expert by MediFind in the treatment of RASopathies. His clinical expertise encompasses Leukemoid Reaction, Meningocele, Down Syndrome, and Trisomy 18.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Asahikawa, JP 

    Fumikatsu Nohara practices practicing medicine in Asahikawa, Japan. Nohara is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their clinical expertise encompasses Meningocele, Dandy-Walker Syndrome, Costello Syndrome, and Tracheobronchomalacia.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Yayoi Ogawa practices practicing medicine in Sapporo, Japan. Ms. Ogawa 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 Light Chain Deposition Disease (LCDD), Glomerulonephritis, Necrotizing Vasculitis, Bone Marrow Aspiration, and Kidney Transplant.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Takayuki Hojo practices practicing medicine in Sapporo, Japan. Mr. Hojo 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 Methemoglobinemia, Low Blood Pressure, Lactic Acidosis, and Noonan Syndrome.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Asahikawa, JP 

    Ken Nagaya practices practicing medicine in Asahikawa, Japan. Mr. Nagaya is rated as an Experienced expert by MediFind in the treatment of RASopathies. His clinical expertise encompasses Meningocele, Leukemoid Reaction, Chromosome 13q Duplication, and Trisomy 13.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Obihiro, JP 

    Hayato Aoyagi practices practicing medicine in Obihiro, Japan. Mr. Aoyagi is rated as an Experienced expert by MediFind in the treatment of RASopathies. His clinical expertise encompasses Atypical Pneumonia, Nephrotic Syndrome, Mycoplasma Pneumonia, and Nutcracker Syndrome (NCS).

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Toshiaki Fujisawa practices practicing medicine in Sapporo, Japan. Mr. Fujisawa is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Methemoglobinemia, Low Blood Pressure, Cohen Syndrome, Micrognathia, and Osteotomy.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Hakodate, JP 

    Shuichi Yatsuga practices practicing medicine in Hakodate, Japan. Mr. Yatsuga is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses CHARGE Syndrome, Penis Agenesis, Precocious Puberty, and Cytochrome P450 Oxidoreductase Deficiency.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Takayuki Okamoto practices practicing medicine in Sapporo, Japan. Mr. Okamoto is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Nephrotic Syndrome, Poststreptococcal Glomerulonephritis, Aminoaciduria, Kidney Transplant, and Nephrectomy.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Takahiro Inoue practices practicing medicine in Sapporo, Japan. Mr. Inoue is rated as an Experienced expert by MediFind in the treatment of RASopathies. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Prostate Cancer, Bladder Cancer, Viral Gastroenteritis, Prostatectomy, and Endoscopy.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Ayako Yokoyama practices practicing medicine in Sapporo, Japan. Ms. Yokoyama is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Noonan Syndrome, RASopathies, and Osteolysis Syndrome Recessive.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required
    Sapporo, JP 

    Yukifumi Kimura practices practicing medicine in Sapporo, Japan. Kimura 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 Methemoglobinemia, Post Polio Syndrome, Low Blood Pressure, and Cohen Syndrome.

    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 20

    Last Updated: 11/08/2026

    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 Hokkaido, 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 Hokkaido, 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 Hokkaido, 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 Hokkaido, 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 Hokkaido, 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 Hokkaido, 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 Hokkaido, 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 Hokkaido, 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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