The 20 Best RASopathies Doctors Near Me in riverside, CA

Find the Top RASopathies Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 44 doctor with experience in RASopathies near riverside, CA. Of these, 44 are Experienced.

Location
LocationClose
44 providers found
    Experienced in RASopathies
    Experienced in RASopathies
    Referral required

    Aqua Pharmacy

    4336 Market St, 
    Riverside, CA 
     (0.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ethan Nguyen is a Dermatologist practicing medicine in Riverside, California. Dr. Nguyen 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 Eschar, Malignant Hypertension, Female Pattern Baldness, and Actinic Keratosis. Dr. Nguyen is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Synergy Ct Surgery Partnership

    4500 Brockton Ave, 
    Riverside, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ramesh Bansal is a Cardiologist practicing medicine in Riverside, California. Dr. Bansal is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 62 other conditions, according to our data. His clinical expertise encompasses Atrial Septal Defect (ASD), Patent Foramen Ovale, Mitral Valve Prolapse, and Heart Failure. Dr. Bansal is board certified in American Board Of Internal Medicine. Dr. Bansal is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    CCARE

    4500 Brockton Ave Ste 316, 
    Riverside, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Martin Majer is an Oncologist practicing medicine in Riverside, California. Dr. Majer is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Inflammatory Breast Cancer, Angiosarcoma, Familial Colorectal Cancer, Paget Disease of the Breast, and Bone Marrow Aspiration.

    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

    Riverside Medical Clinic

    6250 Clay St, 
    Riverside, CA 
     (5.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Naheed Aljilani is a Pediatrics provider practicing medicine in Riverside, California. Dr. Aljilani is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Obesity in Children, Delayed Growth, Autism Spectrum Disorder, and Zoon Vulvitis. Dr. Aljilani is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Office

    1850 E Washington St Ste C, 
    Colton, CA 
     (5.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Hesseltine is a Pain Medicine provider practicing medicine in Colton, California. Dr. Hesseltine 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 Invertebral Disc Disease, Spinal Stenosis, Cervical Spondylosis, and Complex Regional Pain Syndrome.

    Experienced in RASopathies
    Neuroradiology
    Experienced in RASopathies
    Neuroradiology
    Referral may be required

    Riverside Medical Imaging L.L.C.

    10111 Hole Ave, 
    Riverside, CA 
     (6.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Lefkowitz is a Neuroradiologist practicing medicine in Riverside, California. Dr. Lefkowitz 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 Invertebral Disc Disease, Aseptic and Alopecic Nodules of Scalp (AANS), Relapsing Multiple Sclerosis (RMS), and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Dr. Lefkowitz is currently accepting new patients.

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

    Kaiser Permanente Fontana

    9985 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Maria Lin is a Pediatric Endocrinologist practicing medicine in Fontana, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Congenital Adrenal Hyperplasia (CAH), Type 1 Diabetes (T1D), Congenital Hypothyroidism, and Precocious Puberty. Dr. Lin is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Kaiser Permanente Fontana

    9985 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Kian-ti Yu is a Neurologist practicing medicine in Fontana, California. Dr. Yu 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 Epilepsy, Seizures, Memory Loss, and Autism Spectrum Disorder.

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

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Mun-wah Ng is a Pediatric Gastroenterologist practicing medicine in Fontana, California. Dr. Ng 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 Cardiofaciocutaneous Syndrome, Fecal Impaction, RASopathies, and Encopresis.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Kaiser Permanente Fontana Medical Center - Pediatrics Department

    9961 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Eugene Hwang is a Cardiologist practicing medicine in Fontana, California. Dr. Hwang 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 Ventricular Septal Defects, Heart Murmurs, Patent Ductus Arteriosus, and Wolff-Parkinson-White Syndrome. Dr. Hwang is currently accepting new patients.

    Experienced in RASopathies
    General Surgery
    Experienced in RASopathies
    General Surgery
    Referral may be required

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Renee Park is a General Surgeon practicing medicine in Fontana, California. Dr. Park 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 Acrofacial Dysostosis Nager Type, Acrofacial Dysostosis Weyers Type, Acrodysostosis, Adenoidectomy, and Myringotomy.

    Experienced in RASopathies
    Radiology | General Surgery
    Experienced in RASopathies
    Radiology | General Surgery
    Referral may be required

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ching-long Ni is a Radiologist and a General Surgeon practicing medicine in Fontana, California. Dr. Ni is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 55 other conditions, according to our data. His clinical expertise encompasses Neonatal Ovarian Cyst, Scoliosis, Fractured Spine, and Costochondritis. Dr. Ni is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Alison Nguyen is a Pediatrics provider practicing medicine in Fontana, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Otitis Media with Effusion, Chromosome 13q Duplication, Obesity in Children, and Asthma in Children.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Kaiser Permanente Riverside Medical Center

    10800 Magnolia Ave, 
    Riverside, CA 
     (7.5 miles away)
    Languages Spoken:
    English

    Ruvdeep Randhawa is a Pediatrics provider practicing medicine in Riverside, California. Dr. Randhawa 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 Type 1 Diabetes (T1D), Short Stature (Growth Disorders), Idiopathic Short Stature (ISS), and Familial Short Stature (FSS).

    Experienced in RASopathies
    Medical Genetics | Pediatrics
    Experienced in RASopathies
    Medical Genetics | Pediatrics
    Referral may be required

    Riverside Medical Center

    10800 Magnolia Avenue, 
    Riverside, CA 
     (7.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Syed Ahmed is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Riverside, California. Dr. Ahmed is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Chromosome 10q Deletion, Chromosome 13q Duplication, Autism Spectrum Disorder, and Neurofibromatosis Type 1 (NF1). Dr. Ahmed is currently accepting new patients.

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

    Faculty Physicians And Surgeons Of Llusm

    11234 Anderson St, 
    Loma Linda, CA 
     (7.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Leila Khazaeni is an Ophthalmologist practicing medicine in Loma Linda, California. Dr. Khazaeni is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Strabismus, Amblyopia, Esotropia, and Baller-Gerold Syndrome. Dr. Khazaeni is board certified in Ophthalmology. Dr. Khazaeni is currently accepting new patients.

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

    Loma Linda University Neurology

    11370 Anderson St Ste B-100, 
    Loma Linda, CA 
     (7.9 miles away)
    Languages Spoken:
    English

    Stanford Shu is a Pediatric Neurologist practicing medicine in Loma Linda, California. Dr. Shu 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 Neurofibromatosis Type 1 (NF1), Neurofibromatosis, Seizures, and Autism Spectrum Disorder.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Loma Linda University Neurology

    11370 Anderson St Ste B100, 
    Loma Linda, CA 
     (7.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammad Dastjerdi is a Neurologist practicing medicine in Loma Linda, California. Dr. Dastjerdi is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Seizures, Memory Loss, Autosomal Dominant Partial Epilepsy with Auditory Features, and Generalized Tonic-Clonic Seizure.

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

    Loma Linda Univ. Health Care Inc.

    11175 Campus St, 
    Loma Linda, CA 
     (7.9 miles away)
    Languages Spoken:
    English

    Kyle Mccallin is a Pediatric Pulmonologist practicing medicine in Loma Linda, California. Dr. Mccallin 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 Congenital Unilateral Pulmonary Hypoplasia, Ciliary Dyskinesia-Bronchiectasis, Primary Ciliary Dyskinesia (PCD), and Asthma.

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

    Loma Linda Univ. Health Care Inc.

    11175 Campus St, 
    Loma Linda, CA 
     (7.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Eric Tsay is a Pediatric Endocrinologist practicing medicine in Loma Linda, California. Dr. Tsay is rated as an Experienced provider by MediFind in the treatment of RASopathies. His clinical expertise encompasses Precocious Puberty, Short Stature (Growth Disorders), Pediatric Growth Hormone Deficiency, and Hypogonadism. Dr. Tsay is currently accepting new patients.

    Showing 1-20 of 44

    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 riverside, 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 riverside, 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 riverside, 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 riverside, 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 riverside, 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 riverside, 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 riverside, 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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