The 20 Best RASopathies Doctors Near Me in Colorado Springs, CO

Find the Top RASopathies Experts and Specialists

Last Updated: 09/19/2026

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MediFind found 75 doctor with experience in RASopathies near Colorado Springs, CO. Of these, 72 are Experienced, 2 are Advanced and 1 are Distinguished.

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75 providers found
    Distinguished in RASopathies
    Pediatric Cardiology | Advanced Heart Failure and Transplant Cardiology | Medical Genetics
    Distinguished in RASopathies
    Pediatric Cardiology | Advanced Heart Failure and Transplant Cardiology | Medical Genetics
    Referral may be required
    13123 E 16th Ave, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Kathryn Chatfield is a Pediatric Cardiologist and an Advanced Heart Failure and Transplant Cardiologist practicing medicine in Aurora, Colorado. Dr. Chatfield is rated as a Distinguished 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 RASopathies, Noonan Syndrome, Costello Syndrome, Cardiomyopathic Lentiginosis, and Heart Transplant. Dr. Chatfield is currently accepting new patients.

    Experienced in RASopathies
    Family Medicine
    Experienced in RASopathies
    Family Medicine

    Western Colorado Physicians Group

    1120 Wellington Ave, 
    Grand Junction, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Marshall Steel is a primary care provider, practicing in Family Medicine in Grand Junction, Colorado. Dr. Steel 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 Obesity, Hypothyroidism, Obesity in Children, Sitosterolemia, and Intrauterine Device Insertion. Dr. Steel is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral required

    Optum Dermatology

    1633 Medical Center Pt, 
    Colorado Springs, CO 
    Languages Spoken:
    English
    Accepting New Patients

    William Strickling is a Dermatologist practicing medicine in Colorado Springs, Colorado. Dr. Strickling 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 Actinic Keratosis, Warts, Sunburn, and Melanoma. Dr. Strickling is board certified in American Board Of Dermatology. Dr. Strickling 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

    Children's Hospital Colorado

    1811 Plaza Dr, 
    Highlands Ranch, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Anna Bruckner is a Pediatrics provider practicing medicine in Highlands Ranch, Colorado. Dr. Bruckner is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Stork Bite, Vascular Birthmark, Aplasia Cutis Congenita, and RASopathies. Dr. Bruckner is currently accepting new patients.

    Advanced in RASopathies
    Family Medicine
    Advanced in RASopathies
    Family Medicine

    Optum Southwest

    2610 Tenderfoot Hill St, 
    Colorado Springs, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Leighton Tewes is a primary care provider, practicing in Family Medicine in Colorado Springs, Colorado. Dr. Tewes is rated as an Advanced provider by MediFind in the treatment of RASopathies. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Legius Syndrome, RASopathies, Type 2 Diabetes (T2D), and High Cholesterol. Dr. Tewes is board certified in American Board Of Family Medicine. Dr. Tewes is currently accepting new patients.

    Advanced in RASopathies
    Advanced in RASopathies
    Referral may be required

    University Of Colorado Hospital

    1665 Aurora Ct, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Douglas Ney is a Neurologist practicing medicine in Aurora, Colorado. Dr. Ney is rated as an Advanced provider by MediFind in the treatment of RASopathies. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Astrocytoma, Glioblastoma, Glioma, and Brain Tumor. Dr. Ney is currently accepting new patients.

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

    Rocky Mt Pediatric Cardiology

    10099 RidgeGate Pkwy, Ste 300, 
    Lone Tree, CO 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    David Miller is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in Lone Tree, Colorado. Dr. Miller is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Patent Ductus Arteriosus, Atrial Septal Defect (ASD), Bicuspid Aortic Valve, and Isthmian Coarctation. Dr. Miller is board certified in American Board Of Pediatrics, Pediatrics, Cardiology-American Board Of Pediatrics (ABP), American Board Of Pediatrics , American Board Of Internal Medicine , Pediatrics-American Board Of Pediatrics (ABP), and Cardiology-American Board Of Internal Medicine (ABIM). Dr. Miller is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Rottman Eye Care, PC

    1190 Bookcliff Avenue, Unit 102, 
    Grand Junction, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Randall Rottman is an Ophthalmologist practicing medicine in Grand Junction, Colorado. Dr. Rottman is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Age-Related Macular Degeneration (ARMD), Late-Onset Retinal Degeneration, Cataract, and Meibomianitis. Dr. Rottman is board certified in American Board Of Ophthalmology. Dr. Rottman is currently accepting new patients.

    Experienced in RASopathies
    Nurse Practitioner
    Experienced in RASopathies
    Nurse Practitioner
    Referral may be required

    Wellington Neurology Clinic

    750 Wellington Avenue, Suite 3C, 
    Grand Junction, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sharon Golden is a Nurse Practitioner practicing medicine in Grand Junction, Colorado. Golden, NP 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 Vertebral Artery Dissection, Relapsing Multiple Sclerosis (RMS), Legius Syndrome, and Pseudobulbar Affect. Golden, NP is board certified in American Nurses Credentialing Center. Golden, NP is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Peak Pediatrics

    3555 Lutheran Parkway, Suite 340, 
    Wheat Ridge, CO 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Brian Gablehouse is a Pediatrics provider practicing medicine in Wheat Ridge, Colorado. Dr. Gablehouse 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 Obesity in Children, Delayed Growth, Croup, and Jaundice. Dr. Gablehouse is board certified in American Board Of Pediatrics. Dr. Gablehouse is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Orthopaedic And Spine Center Of The Rockies - Longmont

    1610 Dry Creek Dr, 
    Longmont, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Gregg Koldenhoven is an Orthopedics provider practicing medicine in Longmont, Colorado. Dr. Koldenhoven 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 Tendinitis, Osteoarthritis, Flat Feet, Tenosynovitis, and Hip Replacement. Dr. Koldenhoven is board certified in American Board Of Orthopaedic Surgery and Orthopedic Surgery-American Board Of Orthopaedic Surgery (ABOS). Dr. Koldenhoven is currently accepting new patients.

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

    Pediatric Endocrine Associates, PC

    8200 E Belleview Ave, Ste 510E, 
    Greenwood Village, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Sunil Nayak is a Pediatric Endocrinologist practicing medicine in Greenwood Village, Colorado. Dr. Nayak 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 Pediatric Growth Hormone Deficiency, Growth Hormone Deficiency (GHD), Sheehan Syndrome, and Panhypopituitarism. Dr. Nayak is currently accepting new patients.

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

    Children's Hospital Colorado

    1811 Plaza Dr, 
    Highlands Ranch, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Nicholas Foreman is a Hematologist and an Oncologist practicing medicine in Highlands Ranch, Colorado. Dr. Foreman 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 Ependymoma, Brain Tumor, Ganglioglioma, and Medulloblastoma. Dr. Foreman is currently accepting new patients.

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

    University Physicians Incorporated

    13123 E 16th Ave, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Ellen Elias is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Aurora, Colorado. Dr. Elias is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Smith-Lemli-Opitz Syndrome, Ehlers-Danlos Syndrome (EDS), Musculocontractural Ehlers-Danlos Syndrome (mcEDS), and Delayed Growth. Dr. Elias is currently accepting new patients.

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

    Annie Moore, MD, MBA

    360 S Garfield St # 550, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Colin Catel is a General Surgeon practicing medicine in Aurora, Colorado. Dr. Catel 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 Rathke Cleft Cyst, Pediatric Low-Grade Glioma (pLGG), Neurofibromatosis, and RASopathies. Dr. Catel is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Optum Colorado-McP Family Practice

    1633 Medical Center Pt, 
    Colorado Springs, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Kristen Lachance is a Radiologist practicing medicine in Colorado Springs, Colorado. Dr. Lachance 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 Tenosynovitis, Lump in the Abdomen, Scrotal Swelling, and Emphysema. Dr. Lachance is currently accepting new patients.

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

    University Physicians Incorporated

    12605 E 16th Ave, Uchealth Anschutz Medical Campus, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Matthew Taylor is a Medical Genetics provider practicing medicine in Aurora, Colorado. Dr. Taylor is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Danon Disease, Gaucher Disease Type 1, Gaucher Disease, and Fabry Disease. Dr. Taylor is currently accepting new patients.

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

    Children's Hospital Colorado

    13123 E 16th Ave, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Taizo Nakano is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. Nakano is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Aplastic Anemia, Shwachman-Diamond Syndrome, Anemia, and Immune Thrombocytopenic Purpura (ITP). Dr. Nakano is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Office

    12631 E 17th Ave, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kevin Lillehei is a Neurosurgery provider practicing medicine in Aurora, Colorado. Dr. Lillehei is rated as an Experienced 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 Pituitary Tumor, Hypothalamic Tumor, Brain Tumor, Awake Craniotomy, and Gamma Knife Radiosurgery. Dr. Lillehei is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Aurora Denver Cardology Associates

    10103 Ridgegate Pkwy Ste 103, 
    Lone Tree, CO 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Richard Jantz is a Cardiologist practicing medicine in Lone Tree, Colorado. Dr. Jantz is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Cardiomyopathy, Bicuspid Aortic Valve, Arrhythmogenic Right Ventricular Cardiomyopathy, and Atherosclerosis. Dr. Jantz is currently accepting new patients.

    Showing 1-20 of 75

    Last Updated: 09/19/2026

    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 Colorado Springs, CO?

    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 Colorado Springs, CO?

    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 Colorado Springs, CO?

    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 Colorado Springs, CO?

    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 Colorado Springs, CO?

    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 Colorado Springs, CO?

    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 Colorado Springs, CO?

    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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