The 20 Best RASopathies Doctors Near Me in sunnyvale, CA

Find the Top RASopathies Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 162 doctor with experience in RASopathies near sunnyvale, CA. Of these, 142 are Experienced, 17 are Advanced, 2 are Distinguished and 1 are Elite.

Location
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162 providers found
    Elite in RASopathies
    Medical Genetics | Pediatrics
    Elite in RASopathies
    Medical Genetics | Pediatrics
    Referral may be required

    Lpch Medical Group Div Of Lucile

    725 Welch Rd, 
    Palo Alto, CA 
     (8.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Stevenson is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Palo Alto, California. Dr. Stevenson is rated as an Elite provider by MediFind in the treatment of RASopathies. He is also highly rated in 100 other conditions, according to our data. His clinical expertise encompasses Neurofibromatosis Type 1 (NF1), Neurofibromatosis, RASopathies, Costello Syndrome, and Deep Brain Stimulation.

    Experienced in RASopathies
    Ophthalmology
    Experienced in RASopathies
    Ophthalmology
    Referral may be required

    Comprehensive Ophthalmology And Optometry

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

    Andrea Kossler is an Ophthalmologist practicing medicine in Palo Alto, California. Dr. Kossler is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Graves Disease, Ptosis, Eyelid Drooping, Vitrectomy, and Cataract Removal.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Office

    965 High St, 
    Palo Alto, CA 
     (8.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gary Steinberg is a Neurosurgery provider practicing medicine in Palo Alto, California. Dr. Steinberg is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Moyamoya Disease, Stroke, Arteriovenous Malformation, Extracranial-Intracranial Bypass Surgery, and Cerebral Artery Bypass Surgery.

    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

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (8.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lawrence Shuer is a Neurosurgery provider practicing medicine in Stanford, California. Dr. Shuer is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Meningioma, Choroid Plexus Papilloma, Pallister-Hall Syndrome, Awake Craniotomy, and Thrombectomy.

    Distinguished in RASopathies
    Child and Adolescent Psychiatry
    Distinguished in RASopathies
    Child and Adolescent Psychiatry
    Referral may be required

    Stanford Psychiatry Residency

    401 Quarry Rd, 
    Palo Alto, CA 
     (8.8 miles away)
    Languages Spoken:
    English

    Tamar Green is a Child and Adolescent Psychiatrist practicing medicine in Palo Alto, California. Dr. Green is rated as a Distinguished provider by MediFind in the treatment of RASopathies. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Turner Syndrome, RASopathies, Noonan Syndrome, and Intersex.

    Distinguished in RASopathies
    Distinguished in RASopathies
    Referral may be required

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (8.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lawrence Recht is a Neurologist practicing medicine in Stanford, California. Dr. Recht is rated as a Distinguished provider by MediFind in the treatment of RASopathies. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Glioblastoma, Astrocytoma, Glioma, and Brain Tumor.

    Advanced in RASopathies
    Advanced in RASopathies
    Referral may be required

    Tanya W Spirtos MD Wommens Cancer

    900 Blake Wilbur Dr, 
    Palo Alto, CA 
     (9.0 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kavita Sarin is a Dermatologist practicing medicine in Palo Alto, California. She has been practicing medicine for over 18 years. Dr. Sarin is rated as an Advanced provider by MediFind in the treatment of RASopathies. She is also highly rated in 94 other conditions, according to our data. Her clinical expertise encompasses Neurofibromatosis, Basal Cell Skin Cancer, Neurofibromatosis Type 1 (NF1), and Nevoid Basal Cell Carcinoma Syndrome. Dr. Sarin is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Neurology
    Experienced in RASopathies
    Pediatric Neurology
    Referral may be required

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

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

    Dawn Duane is a Pediatric Neurologist practicing medicine in Sunnyvale, California. Dr. Duane is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 36 other conditions, according to our data. Her clinical expertise encompasses Microcephaly, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Aphantasia, and Early Infantile Epileptic Encephalopathy.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

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

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

    James Gamble is an Orthopedics provider practicing medicine in Sunnyvale, California. Dr. Gamble is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 46 other conditions, according to our data. His clinical expertise encompasses Claw Foot, Macrodactyly of the Foot, Clubfoot, Hypoplasia of the Tibia with Polydactyly, and Tenotomy.

    Experienced in RASopathies
    Pediatric Nephrology
    Experienced in RASopathies
    Pediatric Nephrology
    Referral may be required

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

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

    Cynthia Wong is a Pediatric Nephrologist practicing medicine in Sunnyvale, California. Dr. Wong is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Potter Syndrome, Autosomal Recessive Polycystic Kidney Disease, Nephrotic Syndrome, and CHARGE Syndrome.

    Experienced in RASopathies
    Pediatric Endocrinology
    Experienced in RASopathies
    Pediatric Endocrinology
    Referral may be required

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

    1195 W Fremont Ave, 
    Sunnyvale, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Laura Bachrach is a Pediatric Endocrinologist practicing medicine in Sunnyvale, California. Dr. Bachrach is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Familial Short Stature (FSS), Idiopathic Short Stature (ISS), Short Stature (Growth Disorders), and Osteogenesis Imperfecta. Dr. Bachrach is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

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

    1195 W Fremont Ave, 
    Sunnyvale, CA 
     (1.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Kali Tileston is an Orthopedics provider practicing medicine in Sunnyvale, California. She has been practicing medicine for over 17 years. Dr. Tileston is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Scoliosis, Adolescent Idiopathic Scoliosis, Clubfoot, Beukes Familial Hip Dysplasia, and Spinal Fusion.

    Experienced in RASopathies
    Child and Adolescent Psychiatry
    Experienced in RASopathies
    Child and Adolescent Psychiatry
    Referral may be required

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

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

    Allan Reiss is a Child and Adolescent Psychiatrist practicing medicine in Sunnyvale,, California. Dr. Reiss is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Fragile X Syndrome, Turner Syndrome, Intersex, and Klinefelter Syndrome.

    Experienced in RASopathies
    Hematology | Oncology
    Experienced in RASopathies
    Hematology | Oncology
    Referral may be required

    Kaiser Permanente Pharmacy #441

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

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

    Experienced in RASopathies
    Internal Medicine
    Experienced in RASopathies
    Internal Medicine

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (8.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Paul Ford is a primary care provider, practicing in Internal Medicine in Palo Alto, California. Dr. Ford is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Ford is currently accepting new patients.

    Experienced in RASopathies
    Dermatology
    Experienced in RASopathies
    Dermatology
    Referral may be required

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (8.3 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lisa Zaba is a Dermatologist practicing medicine in Palo Alto, California. She has been practicing medicine for over 17 years. Dr. Zaba is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Merkel Cell Carcinoma, Melanoma, Dermatomyositis, and DRESS Syndrome. Dr. Zaba is currently accepting new patients.

    Experienced in RASopathies
    Pediatrics
    Experienced in RASopathies
    Pediatrics
    Referral may be required

    Lucile Packard Children's Hospital Stanford

    725 Welch Rd, 
    Palo Alto, CA 
     (8.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Derek Chu is a Pediatrics provider practicing medicine in Palo Alto, California. Dr. Chu is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Stork Bite, Vascular Birthmark, Aplasia Cutis Congenita, and Folliculitis. Dr. Chu is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Lucile Packard Children's Hospital Stanford

    725 Welch Rd, 
    Palo Alto, CA 
     (8.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ann Marqueling is a Pediatrics provider practicing medicine in Palo Alto, California. Dr. Marqueling is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Vascular Birthmark, Stork Bite, Aplasia Cutis Congenita, and Congenital Athymia. Dr. Marqueling is currently accepting new patients.

    Advanced in RASopathies
    Ophthalmology
    Advanced in RASopathies
    Ophthalmology
    Referral may be required

    Comprehensive Ophthalmology And Optometry

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

    Euna Koo is an Ophthalmologist practicing medicine in Palo Alto, California. Dr. Koo is rated as an Advanced provider by MediFind in the treatment of RASopathies. She is also highly rated in 40 other conditions, according to our data. Her clinical expertise encompasses Strabismus, Amblyopia, Brown Syndrome, Vitrectomy, and Cataract Removal.

    Advanced in RASopathies
    Advanced in RASopathies
    Referral may be required

    Comprehensive Ophthalmology And Optometry

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

    Yaping Liao is a Neurologist practicing medicine in Palo Alto, California. Dr. Liao is rated as an Advanced provider by MediFind in the treatment of RASopathies. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Papilledema, Optic Nerve Atrophy, Increased Intracranial Pressure, and Optic Atrophy Type 1.

    Showing 1-20 of 162

    Last Updated: 09/26/2026

    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 sunnyvale, 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 sunnyvale, 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 sunnyvale, 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 sunnyvale, 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 sunnyvale, 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 sunnyvale, 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 sunnyvale, 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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