The 20 Best RASopathies Doctors Near Me in san jose, CA

Find the Top RASopathies Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 26 doctor with experience in RASopathies near san jose, CA. Of these, 24 are Experienced and 2 are Advanced.

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26 providers found
    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Valley Health Center At Tully

    500 Tully Rd, 
    San Jose, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Maryann Pitts is a Pediatrics provider practicing medicine in San Jose, California. Dr. Pitts is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Vascular Birthmark, Stork Bite, Delayed Growth, and Sunken Fontanelles.

    Experienced in RASopathies
    Internal Medicine
    Experienced in RASopathies
    Internal Medicine

    Santa Clara Valley Medical Center

    751 S Bascom Ave, 
    San Jose, CA 
     (3.2 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. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Type 2 Diabetes (T2D).

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

    Stephen Yip is a Holistic Medicine provider practicing medicine in San Jose, California. Mr. Yip is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Pancreatic Ductal Adenocarcinoma, RASopathies, PIK3CA-Related Overgrowth Spectrum, 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
    Ophthalmology
    Experienced in RASopathies
    Ophthalmology
    Referral may be required

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 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
    Hematology | Oncology
    Experienced in RASopathies
    Hematology | Oncology
    Referral may be required

    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 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
    Pediatric Cardiology | Pediatrics
    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Referral may be required

    Pediatric Cardiology Associates

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

    Rhonda Lappen is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in Los Gatos, California. Dr. Lappen is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 25 other conditions, according to our data. Her clinical expertise encompasses Congenital Mitral Malformation, Pulmonary Supravalvular Stenosis, Pulmonary Valve Stenosis, and X-Linked Cardiac Valvular Dysplasia. Dr. Lappen is board certified in Pediatrics and Pediatrics (Sub: Pediatric Cardiology). Dr. Lappen is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Referral may be required

    Pediatric Cardiology Associates

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

    Michael Tran is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in Los Gatos, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Kawasaki Disease, Ventricular Septal Defects, and Patent Ductus Arteriosus. Dr. Tran is board certified in Pediatrics (Sub: Pediatric Cardiology). Dr. Tran is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Referral may be required

    Pediatric Cardiology Associates

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

    Kyong-mee Kim is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in Los Gatos, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Heart Murmurs, Kawasaki Disease, Ventricular Septal Defects, and Pulmonary Supravalvular Stenosis. Dr. Kim is board certified in Pediatrics and Pediatrics (Sub: Pediatric Cardiology). Dr. Kim is currently accepting new patients.

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

    Interventional Radiology In San Jose

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

    Sumit Shah is a Hematologist and an Oncologist practicing medicine in San Jose, California. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Urothelial Cancer, Bladder Cancer, Muscle Invasive Bladder Cancer, Prostate Cancer, and Gastrostomy.

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

    Cardiology Clinic

    14880 Los Gatos Blvd, 
    Los Gatos, CA 
     (7.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ana Coll is a Pediatric Cardiologist practicing medicine in Los Gatos, California. Dr. Coll is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Truncus Arteriosus, Heart Murmurs, Interrupted Aortic Arch, and Ventricular Septal Defects. Dr. Coll is currently accepting new patients.

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

    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 practicing medicine in Los Gatos, California. Dr. Balakrishnan is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Laryngeal Cleft, Micrognathia, Tracheal Agenesis, Adenoidectomy, and Myringotomy.

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

    Ronald Joseph MD Inc

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

    Sapana Shah is a Pediatric Gastroenterologist practicing medicine in Los Gatos, California. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Encopresis, Bowel Incontinence, Atresia of Small Intestine, and Diarrhea.

    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. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Noonan Syndrome, Cardiofaciocutaneous Syndrome, Cardiomyopathic Lentiginosis, Endoscopy, and Pacemaker Implantation.

    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 
     (9.7 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 
     (9.7 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 
     (9.7 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 
     (9.7 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 
     (9.7 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 
     (9.7 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.

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

    Comprehensive Ophthalmology And Optometry

    2452 Watson Ct, 
    Palo Alto, CA 
     (15.0 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.

    Showing 1-20 of 26

    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 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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