The 20 Best RASopathies Doctors Near Me in hazelwood, MO

Find the Top RASopathies Experts and Specialists

Last Updated: 09/26/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 37 doctor with experience in RASopathies near hazelwood, MO. Of these, 33 are Experienced, 3 are Advanced and 1 are Distinguished.

Location
LocationClose
37 providers found
    Experienced in RASopathies
    Internal Medicine
    Experienced in RASopathies
    Internal Medicine
    637 Dunn Road, Suite 170, 
    Hazelwood, MO 
     (0.8 miles away)
    Languages Spoken:
    English

    Katherine Scrivner is a primary care provider, practicing in Internal Medicine in Hazelwood, Missouri. Dr. Scrivner is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Type 2 Diabetes (T2D), Infant Hyperglycemia, Gardner-Diamond Syndrome, and Purpura. Dr. Scrivner is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration .

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Fast Track Medical LLC

    2686 N Highway 67, 
    Florissant, MO 
     (4.3 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Manuel San is a Geriatrics provider practicing medicine in Florissant, Missouri. Dr. San is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Vascular Dementia, Hypertension, Familial Hypertension, and Dementia. Dr. San is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Washington University Workers Compensation Specialists LLC

    969 N Mason Rd, 
    Saint Louis, MO 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Caroline Mann is a Dermatologist practicing medicine in Saint Louis, Missouri. Dr. Mann is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Neurocutaneous Melanosis, Epidermal Nevus, Graham-Little-Piccardi-Lassueur Syndrome, and Actinic Keratosis. Dr. Mann 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
    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Office

    4500 Forest Park Ave Ste 1B, 
    Saint Louis, MO 
     (10.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Gregory Zipfel is a Neurosurgery provider practicing medicine in Saint Louis, Missouri. Dr. Zipfel 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 Subarachnoid Hemorrhage, Arteriovenous Malformation, Meningioma, Endovascular Embolization, and Thrombectomy. Dr. Zipfel is currently accepting new patients.

    Distinguished in RASopathies
    Distinguished in RASopathies
    Referral may be required

    Office

    4921 Parkview Pl Ste 6C, 
    Saint Louis, MO 
     (11.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Chicoine is a Neurosurgery provider practicing medicine in Saint Louis, Missouri. Dr. Chicoine is rated as a Distinguished provider by MediFind in the treatment of RASopathies. He is also highly rated in 72 other conditions, according to our data. His clinical expertise encompasses Meningioma, Pituitary Tumor, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Nerve Decompression. Dr. Chicoine is currently accepting new patients.

    Experienced in RASopathies
    Internal Medicine
    Experienced in RASopathies
    Internal Medicine

    Thomas R Whalen MD LLC

    621 S New Ballas Rd, 
    Saint Louis, MO 
     (9.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Daniel Rey is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Rey 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 Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Sciatica, and Scoliosis. Dr. Rey is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Susan Bayliss is a Pediatrics provider practicing medicine in Saint Louis, Missouri. Dr. Bayliss 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 Legius Syndrome, Cardiofaciocutaneous Syndrome, Osteopoikilosis, and Aplasia Cutis Congenita. Dr. Bayliss is currently accepting new patients.

    Advanced in RASopathies
    Neurosurgery
    Advanced in RASopathies
    Neurosurgery
    Referral may be required

    Washington University School Of Medicine

    4921 Parkview Pl, 
    Saint Louis, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Paul Santiago is a Neurosurgery provider practicing medicine in Saint Louis, Missouri. Dr. Santiago is rated as an Advanced provider by MediFind in the treatment of RASopathies. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Scoliosis, Cervical Spondylosis, Sciatica, Laminectomy, and Microdiscectomy. Dr. Santiago is currently accepting new patients.

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

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
     (11.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    George Ansstas is a Hematologist and an Oncologist practicing medicine in Saint Louis, Missouri. Dr. Ansstas is rated as an Advanced provider by MediFind in the treatment of RASopathies. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Pediatric Low-Grade Glioma (pLGG), Metastatic Uveal Melanoma, RASopathies, Bone Marrow Aspiration, and Tissue Biopsy. Dr. Ansstas is currently accepting new patients.

    Advanced in RASopathies
    Neuroradiology
    Advanced in RASopathies
    Neuroradiology
    Referral may be required

    Washington University And Barnes-Jewish Orthopedic Center

    14532 South Outer 40 Rd, 
    Chesterfield, MO 
     (12.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Matthew Parsons is a Neuroradiologist practicing medicine in Chesterfield, Missouri. Dr. Parsons is rated as an Advanced 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 Stroke, Pediatric Low-Grade Glioma (pLGG), RASopathies, ALK-Positive Non-Small Cell Lung Cancer, and Bone Marrow Aspiration. Dr. Parsons is currently accepting new patients.

    Experienced in RASopathies
    Neurology | Neurosurgery
    Experienced in RASopathies
    Neurology | Neurosurgery
    Referral may be required

    SLUCare Physician Group

    1225 S. Grand Blvd., Second Level, 
    St. Louis, MO 
     (12.5 miles away)
    Languages Spoken:
    English, Dutch, French
    Accepting New Patients

    Jeroen Coppens is a Neurologist and a Neurosurgery provider practicing medicine in St. Louis, Missouri. Dr. Coppens is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Meningioma, Posterior Fossa Tumor, Pituitary Tumor, Gastrostomy, and Awake Craniotomy. Dr. Coppens is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Illinois Department Of Financial & Professional Regulation , Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Neurological Surgery . Dr. Coppens is currently accepting new patients.

    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Experienced in RASopathies
    Pediatric Cardiology | Pediatrics
    Referral may be required
    1465 S. Grand Blvd., Dept. Of Cardiology, 
    St. Louis, MO 
     (12.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Lawrence is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in St. Louis, Missouri. Dr. Lawrence 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 Multifocal Atrial Tachycardia, His Bundle Tachycardia, Ventricular Fibrillation, and Arrhythmias. Dr. Lawrence is board certified in (Pediatrics, Pediatric Cardiology), American Board Of Pediatrics, Pediatric Cardiology, American Board Of Pediatrics/Pediatric Cardiology , American Board Of Pediatrics , Missouri Dept Of Health/Narcotics&Dangerous Drugs , (Pediatrics), Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Pediatrics. Dr. Lawrence is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Osf Multi-Specialty Group

    2 Saint Anthonys Way, Suite 305, 
    Alton, IL 
     (14.3 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Karna Sherwood is a Neurologist practicing medicine in Alton, Illinois. He has been practicing medicine for over 17 years. Dr. Sherwood is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Seizures, Peripheral Neuropathy, Cluster Headache, and Generalized Tonic-Clonic Seizure. Dr. Sherwood is board certified in American Board Of Psychiatry And Neurology. Dr. Sherwood is currently accepting new patients.

    Experienced in RASopathies
    Pain Medicine
    Experienced in RASopathies
    Pain Medicine
    Referral may be required

    Neuropax Clinic

    12855 N 40 Dr, 
    Saint Louis, MO 
     (10.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Brown is a Pain Medicine provider practicing medicine in Saint Louis, Missouri. Dr. Brown 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 Neuralgia, Femoral Nerve Dysfunction, Pudendal Neuralgia, Giant Axonal Neuropathy, and Lymphadenectomy. Dr. Brown is currently accepting new patients.

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

    Washington University

    1 Childrens Pl, 
    Saint Louis, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dorothy Grange is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Saint Louis, Missouri. Dr. Grange 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 Phenylketonuria (PKU), Clouston Syndrome, Ectodermal Dysplasias, and Aplasia Cutis Congenita. Dr. Grange is currently accepting new patients.

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

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis,, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mark Levin is a Pediatric Cardiologist practicing medicine in Saint Louis,, Missouri. Dr. Levin is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Cantu Syndrome, Multifocal Atrial Tachycardia, Williams Syndrome, and Cardiomyopathic Lentiginosis. Dr. Levin is currently accepting new patients.

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

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis,, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Justin Berger is a Pediatric Cardiologist practicing medicine in Saint Louis,, Missouri. Dr. Berger is rated as an Experienced provider by MediFind in the treatment of RASopathies. His clinical expertise encompasses Cardiomyopathic Lentiginosis, Noonan Syndrome, Cardiofaciocutaneous Syndrome, and Heart Murmurs. Dr. Berger is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Matthew Powell is a Pediatrics provider practicing medicine in Saint Louis, Missouri. Dr. Powell is rated as an Experienced provider by MediFind in the treatment of RASopathies. His clinical expertise encompasses Autism Spectrum Disorder, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Asthma in Children, and Type 1 Diabetes (T1D). Dr. Powell is currently accepting new patients.

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

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jennifer Wambach is a Neonatologist and a Pediatrics provider practicing medicine in Saint Louis, Missouri. Dr. Wambach 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 Infant Respiratory Distress Syndrome, High Blood Pressure in Infants, CHARGE Syndrome, and Cerebral Hypoxia. Dr. Wambach is currently accepting new patients.

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

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
     (10.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Stephen Stone is a Pediatric Endocrinologist practicing medicine in Saint Louis, Missouri. Dr. Stone 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 Type A Insulin Resistance Syndrome, Acanthosis Nigricans, Diabetes Insipidus (DI), and Type 1 Diabetes (T1D). Dr. Stone is currently accepting new patients.

    Showing 1-20 of 37

    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 hazelwood, MO?

    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 hazelwood, MO?

    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 hazelwood, MO?

    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 hazelwood, MO?

    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 hazelwood, MO?

    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 hazelwood, MO?

    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 hazelwood, MO?

    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 

    Read more about our Content Policy. 

    More RASopathies Doctors by city