The 20 Best RASopathies Doctors Near Me in San Jose, CA

Find the Top RASopathies Experts and Specialists

The 20 Best RASopathies Doctors near San Jose, CA

Last Updated: 02/22/2026

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MediFind found 20 doctor with experience in RASopathies near San Jose, CA. Of these, 17 are Experienced and 3 are Advanced.

Location
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20 providers found
    Advanced in RASopathies
    Pediatrics
    Advanced in RASopathies
    Pediatrics

    Child And Adolescent Mental Health-Stanford Children's Health Specialty Services-Sunnyvale

    1195 W Fremont Ave, 
    Sunnyvale, CA 
     (9.7 miles away)
    Languages Spoken:
    English

    Dawn Siegel is a Pediatrics provider in Sunnyvale, California. Dr. Siegel is rated as an Advanced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are PHACE Syndrome, Hemangioma, Aplasia Cutis Congenita, and Vascular Birthmark.

    Experienced in RASopathies
    Internal Medicine
    Experienced in RASopathies
    Internal Medicine

    Acci/Cst

    2400 Moorpark Ave, 
    San Jose, CA 
     (3.3 miles away)
    Languages Spoken:
    English

    Timothy Ong is a primary care provider, practicing in Internal Medicine in San Jose, California. Dr. Ong is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D).

    Experienced in RASopathies
    Holistic Medicine
    Experienced in RASopathies
    Holistic Medicine
    1630 Oakland Rd Ste A115, 
    San Jose, CA 
     (3.4 miles away)
    Languages Spoken:
    English

    Stephen Yip is a Holistic Medicine provider in San Jose, California. Mr. Yip is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Pancreatic Ductal Adenocarcinoma, RASopathies, Lung Nodules, and Splenectomy.

    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
    Pediatrics
    Experienced in RASopathies
    Pediatrics

    Child And Adolescent Mental Health-Stanford Children's Health Specialty Services-Sunnyvale

    1195 W Fremont Ave, 
    Sunnyvale, CA 
     (9.7 miles away)
    Languages Spoken:
    English

    Derek Chu is a Pediatrics provider in Sunnyvale, California. Dr. Chu is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Familial Multiple Nevi Flammei, Stork Bite, Vascular Birthmark, and Linear Hamartoma Syndrome.

    Experienced in RASopathies
    Hematology | Oncology
    Experienced in RASopathies
    Hematology | Oncology

    Kaiser Permanente Pharmacy #441

    710 Lawrence Expy, 
    Santa Clara, CA 
     (6.2 miles away)
    Languages Spoken:
    English

    Tannie Huang is a Hematologist and an Oncologist in Santa Clara, California. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Fanconi Anemia, Ataxia-Pancytopenia Syndrome, Shwachman-Diamond Syndrome, and Pure Red Cell Aplasia.

    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics

    Pediatric Cardiology Associates

    14651 S Bascom Ave, Ste 112, 
    Los Gatos, CA 
     (6.7 miles away)
    Languages Spoken:
    English

    Rhonda Lappen is a Pediatrics specialist and a Pediatric Cardiologist in Los Gatos, California. Dr. Lappen is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Congenital Mitral Malformation, Pulmonary Supravalvular Stenosis, Pulmonary Valve Stenosis, and X-Linked Cardiac Valvular Dysplasia.

    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics

    Pediatric Cardiology Associates

    14651 S Bascom Ave, Ste 112, 
    Los Gatos, CA 
     (6.7 miles away)
    Languages Spoken:
    English, Spanish, Vietnamese

    Michael Tran is a Pediatrics specialist and a Pediatric Cardiologist in Los Gatos, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Heart Murmurs, Kawasaki Disease, Ventricular Septal Defects, and Patent Ductus Arteriosus.

    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics

    Pediatric Cardiology Associates

    14651 S Bascom Ave, Ste 112, 
    Los Gatos, CA 
     (6.7 miles away)
    Languages Spoken:
    English

    Kyong-mee Kim is a Pediatrics specialist and a Pediatric Cardiologist in Los Gatos, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Heart Murmurs, Kawasaki Disease, Ventricular Septal Defects, and Pulmonary Valve Stenosis.

    Experienced in RASopathies
    Experienced in RASopathies

    Interventional Radiology In San Jose

    2589 Samaritan Dr, 
    San Jose, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sumit Shah is an Oncologist in San Jose, California. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Urothelial Cancer, Bladder Cancer, Muscle Invasive Bladder Cancer, Renal Cell Carcinoma (RCC), and Gastrostomy.

    Experienced in RASopathies
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Experienced in RASopathies
    Advanced Heart Failure and Transplant Cardiology | Cardiology

    Stanford Health Care

    2585 Samaritan Dr, 
    San Jose, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Wheeler is an Advanced Heart Failure and Transplant Cardiologist and a Cardiologist in San Jose, California. Dr. Wheeler is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Cardiomyopathy, Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Subvalvular Aortic Stenosis, and Heart Transplant.

    Experienced in RASopathies
    Pediatric Otolaryngology
    Experienced in RASopathies
    Pediatric Otolaryngology

    Ronald Joseph MD Inc

    14601 S Bascom Ave Ste 200, 
    Los Gatos, CA 
     (8.7 miles away)
    Languages Spoken:
    English

    Karthik Balakrishnan is a Pediatric Otolaryngologist in Los Gatos, California. Dr. Balakrishnan is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Laryngeal Cleft, Micrognathia, Tracheal Agenesis, Adenoidectomy, and Myringotomy.

    Experienced in RASopathies
    Family Medicine
    Experienced in RASopathies
    Family Medicine

    Michael Kan, MD Inc

    320 Dardanelli LN Ste 26, 
    Los Gatos, CA 
     (8.7 miles away)
    Languages Spoken:
    English

    Michael Kan is a primary care provider, practicing in Family Medicine in Los Gatos, California. Dr. Kan is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Cardiomyopathic Lentiginosis, Noonan Syndrome, Cardiofaciocutaneous Syndrome, Endoscopy, and Pacemaker Implantation.

    Advanced in RASopathies
    Ophthalmology
    Advanced in RASopathies
    Ophthalmology

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 miles away)
    Languages Spoken:
    English

    Euna Koo is an Ophthalmologist in Palo Alto, California. Dr. Koo is rated as an Advanced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Strabismus, Amblyopia, Esotropia, Vitrectomy, and Trabeculectomy.

    Advanced in RASopathies
    Neurology
    Advanced in RASopathies
    Neurology

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Yaping Liao is a Neurologist in Palo Alto, California. Dr. Liao is rated as an Advanced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Optic Nerve Atrophy, Papilledema, Increased Intracranial Pressure, and Optic Atrophy Type 1.

    Experienced in RASopathies
    Pediatric Gastroenterology
    Experienced in RASopathies
    Pediatric Gastroenterology

    Trang T. Ngo MD Inc

    2299 Mowry Ave Ste 2A, 
    Fremont, CA 
     (11.9 miles away)
    Languages Spoken:
    English

    Amrita Narang is a Pediatric Gastroenterologist in Fremont, California. Dr. Narang is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Hepatoblastoma, Macroamylasemia, Urea Cycle Disorders (UCD), Liver Failure, and Liver Transplant.

    Experienced in RASopathies
    Experienced in RASopathies

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 miles away)
    Languages Spoken:
    English

    Prithvi Mruthyunjaya is an Oncologist in Palo Alto, California. Dr. Mruthyunjaya is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Melanoma of the Eye, Uveal Melanoma, Retinal Detachment, Vitrectomy, and Trabeculectomy.

    Experienced in RASopathies
    Experienced in RASopathies

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 miles away)
    Languages Spoken:
    English

    Scott Lambert is a Pediatrics provider in Palo Alto, California. Dr. Lambert is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Strabismus, Isolated Duane Retraction Syndrome, Esotropia, and Oculomotor Apraxia Cogan Type.

    Experienced in RASopathies
    Ophthalmology
    Experienced in RASopathies
    Ophthalmology

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 miles away)
    Languages Spoken:
    English

    Andrea Kossler is an Ophthalmologist in Palo Alto, California. Dr. Kossler is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Graves Disease, Eyelid Drooping, Thyroid Eye Disease, Ptosis, and Vitrectomy.

    Experienced in RASopathies
    Ophthalmology
    Experienced in RASopathies
    Ophthalmology

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ann Shue is an Ophthalmologist in Palo Alto, California. Dr. Shue is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Strabismus, Glaucoma, Ocular Hypertension (OHT), Trabeculectomy, and Vitrectomy.

    Experienced in RASopathies
    Ophthalmology
    Experienced in RASopathies
    Ophthalmology

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 miles away)
    Languages Spoken:
    English

    Jeffrey Goldberg is an Ophthalmologist in Palo Alto, California. Dr. Goldberg is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Glaucoma, Ocular Hypertension (OHT), Pigment-Dispersion Syndrome, Trabeculectomy, and Corneal Transplant.

    Showing 1-20 of 20

    Last Updated: 02/22/2026

    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 near San Jose, CA?

    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 near San Jose, CA?

    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 near San Jose, CA?

    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 near San Jose, CA?

    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 near San Jose, CA?

    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 near San Jose, CA?

    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 near San Jose, CA?

    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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