The 20 Best RASopathies Doctors Near Me in Orange, CA

Find the Top RASopathies Experts and Specialists

The 20 Best RASopathies Doctors near Orange, CA

Last Updated: 02/22/2026

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MediFind found 149 doctor with experience in RASopathies near Orange, CA. Of these, 129 are Experienced, 16 are Advanced and 4 are Distinguished.

Location
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149 providers found
    Distinguished in RASopathies
    Radiology
    Distinguished in RASopathies
    Radiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Experience:
    16+ years
    Languages Spoken:
    English

    Daniel Chow is a Radiologist in Orange, California. Dr. Chow has been practicing medicine for over 16 years and is rated as a Distinguished provider by MediFind in the treatment of RASopathies. His top areas of expertise are Neurofibromatosis Type 2 (NF2), RASopathies, Neurofibromatosis, and Relapsing Multiple Sclerosis (RMS).

    Distinguished in RASopathies
    Neuroradiology
    Distinguished in RASopathies
    Neuroradiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Eleanor Chu is a Neuroradiologist in Orange, California. Dr. Chu is rated as a Distinguished provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Stroke, Neurofibromatosis Type 2 (NF2), RASopathies, and Neurofibromatosis.

    Nafiz M. Kiciman
    Advanced in RASopathies
    Pediatric Cardiology
    Advanced in RASopathies
    Pediatric Cardiology
    505 South Main Street, Suite 600, 
    Orange, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nafiz Kiciman is a Pediatric Cardiologist in Orange, California. Dr. Kiciman is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Patent Ductus Arteriosus, Ventricular Septal Defects, Perrault Syndrome, and Turner Syndrome. Dr. Kiciman is currently accepting new patients.

    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
    Advanced in RASopathies
    Pediatric Endocrinology
    Advanced in RASopathies
    Pediatric Endocrinology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Amrit Bhangoo is a Pediatric Endocrinologist in Orange, California. Dr. Bhangoo is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Short Stature (Growth Disorders), Adrenal Insufficiency Pediatric, Panhypopituitarism, and Hypogonadism. Dr. Bhangoo is currently accepting new patients.

    Advanced in RASopathies
    Pediatric Hematology Oncology
    Advanced in RASopathies
    Pediatric Hematology Oncology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mariko Sato is a Pediatric Hematologist Oncology provider in Orange, California. Dr. Sato is rated as an Advanced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Glioma, Medulloblastoma, Hepatoblastoma, Embryonal Tumor with Multilayered Rosettes, and Bone Marrow Aspiration. Dr. Sato is currently accepting new patients.

    Advanced in RASopathies
    Pediatric Hematology Oncology
    Advanced in RASopathies
    Pediatric Hematology Oncology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Diane Nugent is a Pediatric Hematologist Oncology provider in Orange, California. Dr. Nugent is rated as an Advanced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Blood Clots, Hemophilia A, Immune Thrombocytopenic Purpura (ITP), and Sickle Cell Disease. Dr. Nugent is currently accepting new patients.

    Advanced in RASopathies
    Pediatric Cardiology
    Advanced in RASopathies
    Pediatric Cardiology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Recto is a Pediatric Cardiologist in Orange, California. Dr. Recto is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Patent Ductus Arteriosus, Ventricular Septal Defects, Pulmonary Atresia with Ventricular Septal Defect, and Situs Inversus. Dr. Recto is currently accepting new patients.

    Advanced in RASopathies
    Pediatric Endocrinology
    Advanced in RASopathies
    Pediatric Endocrinology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Timothy Flannery is a Pediatric Endocrinologist in Orange, California. Dr. Flannery is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Pediatric Growth Hormone Deficiency, Growth Hormone Deficiency (GHD), Short Stature (Growth Disorders), and Sheehan Syndrome. Dr. Flannery is currently accepting new patients.

    Advanced in RASopathies
    Pediatric Radiology
    Advanced in RASopathies
    Pediatric Radiology

    CHOC Children's Hospital

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Michael Chiang is a Pediatric Radiologist in Orange, California. Dr. Chiang is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Intussusception in Children, Tracheobronchopathia Osteoplastica, Horseshoe Kidney, and Ureterocele.

    Advanced in RASopathies
    Pediatric Radiology
    Advanced in RASopathies
    Pediatric Radiology

    CHOC Children's Hospital

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    William Holmes is a Pediatric Radiologist in Orange, California. Dr. Holmes is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Urachal Cyst, PIK3CA-Related Overgrowth Spectrum, Aseptic and Alopecic Nodules of Scalp (AANS), and Acro-Pectoro-Renal Field Defect.

    Advanced in RASopathies
    Radiology
    Advanced in RASopathies
    Radiology

    CHOC Children's Hospital

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Daniel Nahl is a Radiologist in Orange, California. Dr. Nahl is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Tracheoesophageal Fistula, Horseshoe Kidney, Scoliosis, and Urachal Cyst.

    Christopher A. Tan
    Experienced in RASopathies
    Cardiology | Pediatrics
    Experienced in RASopathies
    Cardiology | Pediatrics

    Pacific Cardiovascular Associates

    681 S Parker Street Ste 100, 
    Orange, CA 
     (1.2 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English

    Pacific Cardiovascular Associates Medical Group has an unfailing commitment to the highest quality of care combined with the expertise of the finest cardiovascular specialists in the country has brought PCA wide recognition and distinction. We are proud of our record of accomplishment and take great pride in our consistently excellent patient outcomes and satisfied, grateful patients. Our holistic, evidence-based approach focuses on the whole person from pediatric through geriatric ages. Dr. Tan is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Cornelia De Lange Syndrome, Patent Ductus Arteriosus, Ventricular Septal Defects, Kawasaki Disease, and Percutaneous Coronary Intervention (PCI).

    Distinguished in RASopathies
    Neurology
    Distinguished in RASopathies
    Neurology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Xiao Kong is a Neurologist in Orange, California. Dr. Kong is rated as a Distinguished provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Astrocytoma, Glioblastoma, Glioma, and Brain Tumor.

    Experienced in RASopathies
    Pediatrics
    Experienced in RASopathies
    Pediatrics
    1120 West La Veta Avenue, Suite 100, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Rahul Bhola is a Pediatrics provider in Orange, California. Dr. Bhola is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Strabismus, Brown Syndrome, Astigmatism, and Esotropia. Dr. Bhola is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Pulmonology
    Experienced in RASopathies
    Pediatric Pulmonology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Chana Chin is a Pediatric Pulmonologist in Orange, California. Dr. Chin is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Primary Ciliary Dyskinesia (PCD), Multiple Epiphyseal Dysplasia, Asthma in Children, and Micrognathia. Dr. Chin is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Gastroenterology
    Experienced in RASopathies
    Pediatric Gastroenterology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anup Patel is a Pediatric Gastroenterologist in Orange, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Celiac Disease, and Encopresis. Dr. Patel is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Hematology Oncology
    Experienced in RASopathies
    Pediatric Hematology Oncology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Pournima Navalkele is a Pediatric Hematologist Oncology provider in Orange, California. Dr. Navalkele is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Medulloblastoma, Glioma, Acute Lymphoblastic Leukemia (ALL), and Ganglioglioma. Dr. Navalkele is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Pulmonology
    Experienced in RASopathies
    Pediatric Pulmonology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Katherine Lewinter is a Pediatric Pulmonologist in Orange, California. Dr. Lewinter is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Primary Ciliary Dyskinesia (PCD), Ciliary Dyskinesia-Bronchiectasis, Asthma, Asthma in Children, and Adenoidectomy. Dr. Lewinter is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Cardiology
    Experienced in RASopathies
    Pediatric Cardiology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Anthony Mccanta is a Pediatric Cardiologist in Orange, California. Dr. Mccanta is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Congenital Heart Disease (CHD), Tetralogy of Fallot, Arrhythmias, Patent Ductus Arteriosus, and Cardiac Ablation. Dr. Mccanta is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Pulmonology
    Experienced in RASopathies
    Pediatric Pulmonology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Neal Nakra is a Pediatric Pulmonologist in Orange, California. Dr. Nakra is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Obstructive Sleep Apnea, Multiple Epiphyseal Dysplasia, Asthma, and Bronchogenic Cyst. Dr. Nakra is currently accepting new patients.

    Showing 1-20 of 149

    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 Orange, 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 Orange, 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 Orange, 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 Orange, 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 Orange, 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 Orange, 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 Orange, 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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