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    Last Updated: 02/22/2026

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    MediFind found 324 doctor with experience in RASopathies near Pennsylvania, US. Of these, 298 are Experienced, 24 are Advanced and 2 are Distinguished.

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    LocationClose
    324 providers found
      Distinguished in RASopathies
      Distinguished in RASopathies

      Corrigan And McGrath Associates PC

      2300 Computer Rd Ste H39, 
      Willow Grove, PA 
      Languages Spoken:
      English

      Nikoletta Kelepouris is an Endocrinologist in Willow Grove, Pennsylvania. Dr. Kelepouris is rated as a Distinguished provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Growth Hormone Deficiency (GHD), Pediatric Growth Hormone Deficiency, Noonan Syndrome, RASopathies, and Hormone Replacement Therapy (HRT).

      Atrayee B. Mallick
      Advanced in RASopathies
      Hematology Oncology | Oncology
      Advanced in RASopathies
      Hematology Oncology | Oncology

      Jefferson Cancer - Honickman Center

      1101 Chestnut Street, Floor 14, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Atrayee Mallick is an Oncologist in Philadelphia, Pennsylvania. Dr. Mallick is rated as an Advanced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Bone Tumor, Colorectal Cancer, Fibrosarcoma, Mesenchymoma, and Pancreaticoduodenectomy. Dr. Mallick is currently accepting new patients.

      Distinguished in RASopathies
      Pediatrics | Medical Genetics
      Distinguished in RASopathies
      Pediatrics | Medical Genetics
      34th & Civic Center Boulevard, 9nw55, Chop-pediatrics/medical Genetics Residency Program, 
      Philadelphia, PA 
      Languages Spoken:
      English

      Rebecca Ahrens-Nicklas is a Pediatrics specialist and a Medical Genetics provider in Philadelphia, Pennsylvania. Dr. Ahrens-Nicklas is rated as a Distinguished provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Multiple Sulfatase Deficiency, Cardiomyopathic Lentiginosis, Chondrodysplasia Punctata with Steroid Sulfatase Deficiency, and Noonan Syndrome.

      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
      Interventional Radiology
      Advanced in RASopathies
      Interventional Radiology

      Penn Interventional Radiology HUP

      3400 Spruce Street, Ground Dulles, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients

      Maxim Itkin is an Interventional Radiologist in Philadelphia, Pennsylvania. Dr. Itkin is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Chylous Ascites, Congenital Pulmonary Lymphangiectasia, Ascites, Gastrostomy, and Angioplasty. Dr. Itkin is currently accepting new patients.

      Advanced in RASopathies
      Neurosurgery
      Advanced in RASopathies
      Neurosurgery

      Penn Neuroscience Center - Neurosurgery

      3400 Civic Center Boulevard, South Pavilion, 2nd Floor, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Eric Zager is a Neurosurgery provider in Philadelphia, Pennsylvania. Dr. Zager is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Thoracic Outlet Syndrome, Hydrocephalus, Neurofibromatosis, Awake Craniotomy, and Gastrostomy. Dr. Zager is currently accepting new patients.

      Advanced in RASopathies
      Advanced in RASopathies

      Penn Pituitary Center

      3400 Civic Center Boulevard, South Pavilion, 2nd Floor, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients

      Grant Liu is a Neurologist in Philadelphia, Pennsylvania. Dr. Liu is rated as an Advanced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Increased Intracranial Pressure, Papilledema, Pseudotumor Cerebri Syndrome, Thymectomy, and Cataract Removal. Dr. Liu is currently accepting new patients.

      Rizwan Tahir
      Experienced in RASopathies
      Transplant Surgery | Cardiology
      Experienced in RASopathies
      Transplant Surgery | Cardiology

      Geisinger Medical Center - Cardiology

      100 North Academy Avenue, 
      Danville, PA 
      Languages Spoken:
      English, Hindi, Urdu
      Accepting New Patients

      Dr. Tahir is a board-certified and fellowship-trained physician specializing in internal medicine and cardiovascular disease. He attended Rawalpindi Medical College, where he earned his medical degree. He completed his residency at University of Illinois College of Medicine at Urbana. Dr. Tahir completed his fellowships at University of Iowa Hospitals and Clinics and at Geisinger Medical Center. He is certified by the American Board of Internal Medicine in internal medicine and cardiovascular disease. He speaks English, Hindi and Urdu. Dr. Tahir is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Hypertensive Heart Disease, Heart Failure, Pulmonary Edema, Thrombectomy, and Rhizotomy.

      Christopher J. Farrell
      Experienced in RASopathies
      Experienced in RASopathies

      Jefferson Neurological Surgery Associates

      1101 Chestnut Street, Floor 10, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Christopher Farrell is a Neurosurgery provider in Philadelphia, Pennsylvania. Dr. Farrell is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Hydrocephalus, Meningioma, Cerebellum Agenesis Hydrocephaly, Awake Craniotomy, and Septoplasty. Dr. Farrell is currently accepting new patients.

      Tara Morrison
      Experienced in RASopathies
      Neurology | Hematology Oncology
      Experienced in RASopathies
      Neurology | Hematology Oncology

      LVH Hematology Oncology-1240 Cedar Crest

      1240 S Cedar Crest Blvd, Suite 401, 
      Allentown, PA 
      Languages Spoken:
      English, French
      Offers Telehealth

      Tara Morrison is a Neurologist and a Hematologist Oncology provider in Allentown, Pennsylvania. Dr. Morrison is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Astrocytoma, Glioblastoma, Ependymoma, and Glioma.

      William J. Azeredo
      Experienced in RASopathies
      Otolaryngology
      Experienced in RASopathies
      Otolaryngology

      Geisinger Medical Center - ENT

      100 North Academy Avenue, 
      Danville, PA 
      Languages Spoken:
      English, Portuguese
      Accepting New Patients

      Dr. Azeredo is a board-certified specialist in otolaryngology subspecializing in otology. His clinical interests include cochlear implants, BAHA implants and vertigo/dizziness. Dr. Azeredo attended the State University of New York, Upstate Medical University, where he received his medical degree, and completed his residency at the same institute. Dr. Azeredo is certified by the American Board of Otolaryngology. He speaks English and Portuguese. Dr. Azeredo is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Cholesteatoma, Infant Hearing Loss, Meniere Disease, and Ruptured Eardrum.

      William Dicuccio
      Experienced in RASopathies
      Family Medicine
      Experienced in RASopathies
      Family Medicine

      Primary Care Associates Of Butler PC

      480 E Jefferson St, 
      Butler, PA 
      Languages Spoken:
      English
      Offers Telehealth

      William Dicuccio is a primary care provider, practicing in Family Medicine in Butler, Pennsylvania. Dr. Dicuccio is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Sialuria, Phosphomannoisomerase Deficiency, PMM2-Congenital Disorder of Glycosylation, and Sialic Acid Storage Disease.

      Sara L. Partington
      Experienced in RASopathies
      Experienced in RASopathies

      Penn Heart And Vascular Center

      3400 Civic Center Boulevard, East Pavilion, 2nd Floor, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients

      Sara Partington is a Cardiologist in Philadelphia, Pennsylvania. Dr. Partington is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Congenital Heart Disease (CHD), Tetralogy of Fallot, Pediatric Myocarditis, Tricuspid Atresia, and Thrombectomy. Dr. Partington is currently accepting new patients.

      Nina L. Martinez
      Experienced in RASopathies
      Neurology | Neurosurgery
      Experienced in RASopathies
      Neurology | Neurosurgery

      Jefferson Neurological Surgery Associates

      1101 Chestnut Street, Floor 10, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Nina Martinez is a Neurosurgery provider in Philadelphia, Pennsylvania. Dr. Martinez is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Brain Tumor. Dr. Martinez is currently accepting new patients.

      Mayur A. Patel
      Experienced in RASopathies
      Experienced in RASopathies

      Geisinger Selinsgrove - Hematology And Oncology

      1575 North Old Trail, 
      Selinsgrove, PA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dr. Patel is a board-certified and fellowship-trained cancer physician specializing in medical oncology. He obtained his medical degree from Howard University, and he completed his residency and his fellowship at Milton S. Hershey Medical Center. Dr. Patel is certified by the American Board of Internal Medicine in medical oncology. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Thrombocytopenia, Myelodysplastic Syndrome (MDS), Paget Disease of the Breast, and Angiosarcoma.

      Srinivas N. Halthore
      Experienced in RASopathies
      Pediatric Neurology
      Experienced in RASopathies
      Pediatric Neurology

      LVPG Pediatric Neurology-1210 Cedar Crest

      1210 S Cedar Crest Blvd, Suite 2400, 
      Allentown, PA 
      Languages Spoken:
      English

      Philosophy of care | I make myself available as a doctor. | Why I entered medicine | Health care has always been my passion. | Personal interests | My No. 1 interest is medicine. Dr. Halthore is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Shaken Baby Syndrome, Zika Virus Disease, Microcephaly with Spastic Quadriplegia, and Microcephaly.

      John M. Kleback
      Experienced in RASopathies
      Experienced in RASopathies

      True North Pediatrics

      1210 Bethlehem Pike, 
      North Wales, PA 
      Languages Spoken:
      English
      Accepting New Patients

      John Kleback is a Pediatrics provider in North Wales, Pennsylvania. Dr. Kleback is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Stork Bite, Vascular Birthmark, Obesity in Children, and Autism Spectrum Disorder. Dr. Kleback is currently accepting new patients.

      Ramiro W. Santamaria
      Experienced in RASopathies
      Pediatric Cardiology
      Experienced in RASopathies
      Pediatric Cardiology

      Children's Hospital Of Philadelphia-Cardiac Center Allentown

      1605 N Cedar Crest Blvd, Suites 117 & 119, 
      Allentown, PA 
      Languages Spoken:
      English, Spanish

      Philosophy of care | I will treat you and your family as I would my own family. | Why I entered medicine | I entered medicine to serve the community and make a difference. Working in this field is incredibly rewarding; medicine has provided a platform where I can learn and help others in need. | Community involvement | I am a member of several professional organizations, including the American Heart Association and the American College of Cardiology. | Personal interests | In my free time I enjoy traveling, hiking, reading history and playing soccer. Dr. Santamaria is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Ventricular Septal Defects, Heart Murmurs, Patent Ductus Arteriosus, and Congenital Coronary Artery Malformation.

      Joseph Rossano
      Experienced in RASopathies
      Pediatric Cardiology
      Experienced in RASopathies
      Pediatric Cardiology

      Office

      3401 Civic Center Blvd, 
      Philadelphia,, PA 
      Languages Spoken:
      English

      Joseph Rossano is a Pediatric Cardiologist in Philadelphia,, Pennsylvania. Dr. Rossano is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Pediatric Myocarditis, Cardiomyopathy, Hypertrophic Cardiomyopathy (HCM), Heart Transplant, and Spinal Fusion.

      Anjali T. Owens
      Experienced in RASopathies
      Experienced in RASopathies

      Penn Heart And Vascular Center

      3400 Civic Center Boulevard, East Pavilion, 2nd Floor, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients

      Anjali Owens is a Cardiologist in Philadelphia, Pennsylvania. Dr. Owens is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her top areas of expertise are Cardiomyopathy, Hypertrophic Cardiomyopathy (HCM), Familial Hypertrophic Cardiomyopathy, Dilated Cardiomyopathy (DCM), and Heart Transplant. Dr. Owens is currently accepting new patients.

      Thomas O. Willcox
      Experienced in RASopathies
      Otolaryngology
      Experienced in RASopathies
      Otolaryngology

      Jefferson Otolaryngology (ENT) - Honickman Center

      1101 Chestnut Street, Floor 16, 
      Philadelphia, PA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Thomas Willcox is an Otolaryngologist in Philadelphia, Pennsylvania. Dr. Willcox is rated as an Experienced provider by MediFind in the treatment of RASopathies. His top areas of expertise are Acoustic Neuroma, Infant Hearing Loss, DFNB1, Jones Syndrome, and Gastrostomy. Dr. Willcox is currently accepting new patients.

      Showing 1-20 of 324

      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 in Pennsylvania, US?

      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 in Pennsylvania, US?

      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 in Pennsylvania, US?

      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 in Pennsylvania, US?

      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 in Pennsylvania, US?

      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 in Pennsylvania, US?

      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 in Pennsylvania, US?

      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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