The 20 Best RASopathies Doctors Near Me in appleton, WI

Find the Top RASopathies Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 6 doctor with experience in RASopathies near appleton, WI. Of these, 6 are Experienced.

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6 providers found
    Experienced in RASopathies
    Family Medicine
    Experienced in RASopathies
    Family Medicine

    ThedaCare PhysiciansNeenah

    333 North Green, Bay Road, 
    Neenah, WI 
     (8.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lesley Kieffer is a primary care provider, practicing in Family Medicine in Neenah, Wisconsin. Dr. Kieffer is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Generalized Anxiety Disorder (GAD), Hypothyroidism, Obesity in Children, and High Cholesterol. Dr. Kieffer is board certified in Family Medicine, American Board Of Family Medicine (2013). Dr. Kieffer is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    Neuroscience Group

    1818 N Meade Street, 
    Appleton, WI 
     (1.3 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Kelley Parnell is a Neurologist practicing medicine in Appleton, Wisconsin. Dr. Parnell is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 47 other conditions, according to our data. Her clinical expertise encompasses Seizures, Generalized Tonic-Clonic Seizure, Migraine, and Memory Loss. Dr. Parnell is board certified in American Board Of Psychiatry & Neurology (2001), Neurology, American Board Of Psychiatry & Neurology (1999), and Sleep Medicine, American Board Of Psychiatry & Neurology (2011). Dr. Parnell is currently accepting new patients.

    Experienced in RASopathies
    Experienced in RASopathies
    Referral may be required

    ThedaCare Physicians PediatricsAppleton

    2701 East Enterprise Avenue, 
    Appleton, WI 
     (5.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Wendy Barton is a Pediatrics provider practicing medicine in Appleton, Wisconsin. Dr. Barton is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Autism Spectrum Disorder, Delayed Growth, Developmental Dysphasia Familial, and Diarrhea. Dr. Barton is board certified in Pediatrics, American Board Of Pediatrics (1989). Dr. Barton is currently accepting new patients.

    Learn about our expert tiers
    Experienced in RASopathies
    Nurse Practitioner
    Experienced in RASopathies
    Nurse Practitioner
    Referral may be required

    ThedaCare Urgent CareAppleton

    3925 N Gateway Drive, 
    Appleton, WI 
     (5.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kristin Neilsen is a Nurse Practitioner practicing medicine in Appleton, Wisconsin. Neilsen, 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 Seasonal Affective Disorder (SAD), Vitamin D Deficiency, Emphysema, and RASopathies. Neilsen, NP is board certified in Family Medicine, American Nurses Credentialing Center (2004). Neilsen, NP is currently accepting new patients.

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

    Children's Hospital Of WI - Fox Valley

    130 2nd St, 
    Neenah, WI 
     (5.7 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    Daniel Beacher is a Pediatric Cardiologist practicing medicine in Neenah, Wisconsin. He has been practicing medicine for over 17 years. Dr. Beacher 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 Short QT Syndrome, Brugada Syndrome, Postural Orthostatic Tachycardia Syndrome (POTS), and Heart Murmurs. Dr. Beacher is board certified in The American Board Of Pediatrics - Pediatrics and The American Board Of Pediatrics - Pediatric Cardiology. Dr. Beacher is currently accepting new patients.

    Experienced in RASopathies
    Internal Medicine
    Experienced in RASopathies
    Internal Medicine

    ThedaCare Physicians Neenah

    333 N Green Bay Rd, 
    Neenah, WI 
     (6.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Johnson is a primary care provider, practicing in Internal Medicine in Neenah, Wisconsin. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hypothyroidism, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D). Dr. Johnson is currently accepting new patients.

    To see more doctors, please expand your search radius or view related conditions below.

    Cardiofaciocutaneous Syndrome, Cardiomyopathic Lentiginosis, Costello Syndrome, Legius Syndrome, Noonan Syndrome

    Showing 1-6 of 6

    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 appleton, WI?

    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 appleton, WI?

    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 appleton, WI?

    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 appleton, WI?

    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 appleton, WI?

    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 appleton, WI?

    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 appleton, WI?

    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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