The 20 Best RASopathies Doctors Near Me in Columbia, MD
Find the Top RASopathies Experts and Specialists
NuVasive Clinical Services Monitoring Inc
Liliana Robles is a Neurologist practicing medicine in Columbia, Maryland. Dr. Robles is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Cervical Myelopathy, Dysembryoplastic Neuroepithelial Tumors (DNET), Brain Stem Cancer, and Hemangioblastoma. Dr. Robles is board certified in Clinical Neurophysiology, American Board Of Psychiatry And Neurology and American Board Of Psychiatry And Neurology Neurology.
Howard County Medical Pavilion
Dr. Couser obtained his bachelor’s degree from the University of Virginia and his Medical Doctorate from the Virginia Commonwealth University School of Medicine (VCU SOM). Dr. Couser’s ophthalmology residency was completed at Howard University where he served as co-chief resident in the last year of his residency. He received fellowship training in pediatric ophthalmology and adult strabismus at Emory University. Dr. Couser received a master’s degree in biotechnology from the Johns Hopkins University and completed a residency in clinical genetics at the University of North Carolina at Chapel Hill. He is one of only a few individuals currently board-certified by both the American Board of Ophthalmology and the American Board of Medical Genetics and Genomics. CV https://www.hopkinsmedicine.org/-/media/wilmer/documents/cvs/couser-cv Research Summary My primary research focus involves the identification and management of genetic eye diseases including rare inherited disorders affecting the eyes. Research and scholarly activities have been an integral component of my career path. I have been the principal investigator on 10 clinical trial/IRB studies and a co-investigator on others, participated with several committees or advisory panels related to research activities. I have been credited with over 120 book chapter, journal article and abstract publications. In addition, I served as the primary author/sole editor for a textbook titled Ophthalmic Genetic Diseases: A Quick Reference Guide to the Eye and External Ocular Adnexa Abnormalities, 1st Edition, published by Elsevier in 2018, which is one of only a few textbooks published in this subject area. I also served as a grant review panelist for the National Eye Institute Career Development Awards. Selected Publications *Couser NL, Masood MM, Strande NT, Foreman AKM, Crooks K, Weck KE, Lu M, Wilhelmsen KC, Roche M, Evans JP, Berg JS, Powell CM. 2015. The phenotype of multiple congenital anomalies- hypotonia-seizures syndrome 1: Report and review. Am J Med Genet Part A 9999A:1–6 *Couser NL, Lambert SR. Botulinum toxin: A treatment of consecutive esotropia in children. Strabismus 2012; 20(4):158-161 Couser NL, Lenhart PD, Hutchinson AK. Augmented Hummelsheim procedure to treat complete abducens nerve palsy. J AAPOS 2012;16(4):331-5 *Natario L. Couser, Maheer M. Masood, Arthur S. Aylsworth, and Roger E. Stevenson. Ocular manifestations in the X-linked intellectual disability syndromes. Ophthalmic Genet. 2017, Jan 23:1-12 *Couser NL, Brooks BP, Drack AV, Shankar SP. The evolving role of genetics in ophthalmology. Ophthalmic Genet. 2021 Jan 12:1-4. doi: 10.1080/13816810.2020.1868011. Dr. Couser 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 Epicanthal Folds, Strabismus, Hypotonia, and Brown Syndrome. Dr. Couser is board certified in American Board Of Medical Genetics And Genomics and American Board Of Ophthalmology.
Pacific Neuromonitoring Associates Inc
Evgeny Tsimerinov is a Neurologist practicing medicine in Columbia, Maryland. Dr. Tsimerinov 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 Cervical Myelopathy, Dysembryoplastic Neuroepithelial Tumors (DNET), Invertebral Disc Disease, and Brain Stem Cancer.
Are you looking for a specific type of RASopathies?
Common conditions include: Cardiofaciocutaneous Syndrome, Cardiomyopathic Lentiginosis, Costello Syndrome, Legius Syndrome, Noonan Syndrome
Johns Hopkins Howard County Medical Center
Meghan Meghpara is a Pediatrics provider practicing medicine in Columbia, Maryland. Dr. Meghpara is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Autism Spectrum Disorder, Microcephaly, Asthma in Children, and Delayed Growth. Dr. Meghpara is board certified in American Board Of Pediatrics.
Johns Hopkins Outpatient Center
Dr. Jaishri Blakeley is the Marjorie Bloomberg Tiven Professor of Neurofibromatosis in Neurology, Oncology, and Neurosurgery at Johns Hopkins School of Medicine, director of the Johns Hopkins Comprehensive Neurofibromatosis Center and director of the Neurofibromatosis Therapeutic Acceleration Program (NTAP). She is an active clinician-scientist specializing in the care of people with NF1, NF2, LZTR1, SMARC1 schwannomatoses, and primary brain tumors. Her research expertise in the development of clinical trials for nervous system tumors and specifically, early clinical-translational studies including tumor pharmacokinetic and pharmacodynamic investigations, imaging biomarkers for rare nervous system tumors, and incorporation of patient-focused, functional endpoints into efficacy studies. She has been the national or international leader of 7 clinical trials focused on therapies for glioblastoma, NF1 and NF2. In 2012 she cofounded the NTAP to dramatically shift the landscape of NF1 via necessary, efficient, and expert discovery, translational and clinical research. NTAP focuses on therapeutics, fosters collaboration, facilitates open and timely sharing of results, and streamlines the research process to accelerate therapies for plexiform and cutaneous neurofibromas. Through NTAP, Dr. Blakeley has supported and collaborated with more than 80 laboratories and research teams across the globe enabling meaningful therapeutic development for NF1-associated neoplasms and supporting the development of an exceptional community of clinician scientists focused on NF1 via the Francis S. Collins Scholars Program in Neurofibromatosis Clinical and Translational Research. Her research and programmatic efforts are all in the service of improving outcomes for the patients with NF1, NF2, schwannomatosis, and primary brain cancer for whom she is honored to provide care. Dr. Blakeley is rated as a Distinguished provider by MediFind in the treatment of RASopathies. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Neurofibromatosis, Schwannomatosis, Neurofibromatosis Type 2 (NF2), Neurofibromatosis Type 1 (NF1), and Laminectomy. Dr. Blakeley is board certified in American Board Of Psychiatry And Neurology.
NuVasive Clinical Services Monitoring Inc
Asfa Shad is a Neurologist practicing medicine in Columbia, Maryland. She has been practicing medicine for over 19 years. Dr. Shad is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Cervical Myelopathy, Dysembryoplastic Neuroepithelial Tumors (DNET), Brain Stem Cancer, and Primitive Neuroectodermal Tumor (PNET). Dr. Shad is board certified in American Board Of Psychiatry And Neurology, Clinical Neurophysiology and American Board Of Psychiatry And Neurology, Neurology. Dr. Shad is currently accepting new patients.
NuVasive Clinical Services Monitoring Inc
Asim Haque is a Neurologist practicing medicine in Columbia, Maryland. He has been practicing medicine for over 16 years. Dr. Haque is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Cervical Myelopathy, Invertebral Disc Disease, Spinal Tumor, and Fractured Spine. Dr. Haque is board certified in American Board Of Psychiatry And Neurology, Neurology.
NuVasive Clinical Services Monitoring Inc
Malleeswari Nellore is a Neurologist practicing medicine in Columbia, Maryland. Dr. Nellore 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 Cervical Myelopathy, Invertebral Disc Disease, Dysembryoplastic Neuroepithelial Tumors (DNET), and Brain Stem Cancer. Dr. Nellore is board certified in American Board Of Psychiatry And Neurology Neurology.
Johns Hopkins Outpatient Center
Nurse practitioner Shannon Langmead specializes in neurofibromatosis and is the clinic coordinator of the Johns Hopkins Comprehensive Neurofibromatosis (NF) Center. She evaluates and manages patients with NF1, NF2 and Schwannomatosis. Her special interests include pain management and developing social support networks for patients who have NF. Shannon earned bachelor’s degrees in Spanish and nursing from Saint Francis University in Pennsylvania and Villa Julie College in Maryland, and completed her master’s degree in nursing at The Johns Hopkins University School of Nursing. She has worked as a bedside nurse in neurology and neurosurgery at The Johns Hopkins Hospital and as a part-time clinical faculty member for The Johns Hopkins University School of Nursing. Ms. Langmead is rated as a Distinguished provider by MediFind in the treatment of RASopathies. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Neurofibromatosis, RASopathies, Neurofibromatosis Type 1 (NF1), and Legius Syndrome. Ms. Langmead is board certified in American Nurses Credentialing Center.
Johns Hopkins Outpatient Center
Dr. Allan Belzberg is a neurosurgeon specializing in surgery of the peripheral nervous system. As Director of Peripheral Nerve Surgery at Johns Hopkins in Baltimore, he treats tumors including schwannoma, neurofibroma and nerve sheath tumor. Dr. Belzberg performs surgical repair of nerve damage caused by trauma as well as neurosurgery on carpal tunnel, peroneal nerve and other peripheral nerve conditions. Dr. Belzberg also directs the Brachial Plexus and Peripheral Nerve Clinic at the Kennedy Krieger Institute and co-directs the Neurosurgery Pain Research Institute at Johns Hopkins Hospital. Dr. Belzberg currently sees patients at the Johns Hopkins Outpatient Center located in Baltimore on Wednesdays and the Green Spring Station location on Fridays. Dr. Belzberg is rated as an Advanced provider by MediFind in the treatment of RASopathies. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Schwannomatosis, Neurofibromatosis, Thoracic Outlet Syndrome, Rhizotomy, and Laminectomy. Dr. Belzberg is board certified in American Board Of Neurological Surgery.
Gynecology And Obstetrics - Nelson/Harvey Building
Dr. Angie Jelin is the assistant director of prenatal genetics at the Prenatal Diagnostic Center in the Division of Maternal-Fetal Medicine and an assistant professor in the Johns Hopkins Medicine Department of Gynecology and Obstetrics. Her areas of clinical expertise include prenatal genetic counseling, fetal imaging, chorionic villus sampling and amniocentesis, with a focus on fetal complications in pregnancy. Dr. Jelin earned her medical degree from Harvard Medical School. She did her residency in obstetrics and gynecology at the University of California, San Francisco, and then remained there to complete a maternal-fetal medicine and genetics fellowship. In 2015, Dr. Jelin joined the Johns Hopkins faculty, at which time she also received a Building Interdisciplinary Research Careers in Women’s Health grant to study fetal genetic disorders. Dr. Jelin’s research involves fetal imaging and genetic diagnoses, including whole exome sequencing. Dr. Jelin is a member of the American College of Obstetricians and Gynecologists, the Society of Maternal-Fetal Medicine and the International Society of Prenatal Diagnosis. She currently serves on the IRB committee of the American Board of Obstetrics and Gynecology. Dr. Jelin has published many articles in obstetrics and maternal-fetal medicine journals. Dr. Jelin is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Polyhydramnios, Bilateral Renal Agenesis Dominant Type, Lung Agenesis, and Atresia of Small Intestine. Dr. Jelin is board certified in American Board Of Medical Genetics And Genomics and American Board Of Obstetrics And Gynecology.
Rubenstein Child Health Building
Ambroise Wonkam is a Pediatrics specialist and a Medical Genetics provider practicing medicine in Baltimore, Maryland. Dr. Wonkam 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 Anemia, Fragile X Syndrome, Pyle Disease, and Micrognathia.
Johns Hopkins Outpatient Center
Dr. Ranjit Abraham Varghese is an assistant professor of orthopaedic surgery at the Johns Hopkins University School of Medicine. He is a specialist in pediatric orthopaedics. He focuses on the treatment of cerebral palsy, neuromuscular disorders, andpediatric hip and foot disorders. Dr. Varghese earned his medical degree from Kasturba Medical College of Manipal University in Mangalore India, where he also did his residency. He later earned a master’s degree in health science and clinical epidemiology at the University of British Columbia, Canada. He completed fellowships in pediatric orthopaedics at the University of British Columbia and the University of Minnesota. He also completed a combined orthopedics oncology fellowship at Harvard Medical School, Massachusetts General Hospital, Beth Israel Deaconess Medical Center and Boston Children’s Hospital. He serves as medical director of the Ortho-Cerebral Palsy Program at the Kennedy Krieger Institute. His research interests include cerebral palsy, hip disorders and outcome evaluations. Dr. Varghese 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 Spastic Diplegia Infantile Type, Slipped Capital Femoral Epiphysis, Wildervanck Syndrome, and CHARGE Syndrome.
Johns Hopkins Outpatient Center
Chad Gordon is a Plastic Surgeon practicing medicine in Baltimore, Maryland. Dr. Gordon 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 Neurofibromatosis, Legius Syndrome, Neurofibromatosis Type 1 (NF1), Osteotomy, and Bone Graft. Dr. Gordon is board certified in American Board Of Plastic Surgery.
Johns Hopkins Outpatient Center
Laryngologist Simon Best specializes in voice and airway disorders, including the comprehensive care of professional voice-users and performers. He treats patients diagnosed with recurrent respiratory papillomatosis (RRP), vocal cord paralysis, laryngeal cancer, precancerous vocal cord dysplasia, benign laryngeal lesions (polyps, cysts, nodules), and laryngeal and tracheal stenosis. He has expertise in the operative management of vocal cord disorders, including Blue Light laser surgery and office-based management of vocal cord papilloma, dysplasia and vocal cord paralysis. Dr. Best earned a medical degree from the Yale School of Medicine and completed residency training in Otolaryngology–Head and Neck Surgery at the Johns Hopkins University School of Medicine. He undertook fellowship training in laryngology at Massachusetts General Hospital. Dr. Best has a particular clinical and research interest in recurrent respiratory papillomatosis and sees patients from across the country for specialized care for this disorder. He offers operative and office-based laser for papilloma, utilizing the Blue Light laser, which allows for precise excision of papilloma while preserving underlying vocal function. Dr. Best is also a pioneer in the adjuvant use of bevacizumab for RRP, helping many patients break the cycle of repeated surgeries. The Best Laboratory studies RRP and the development of novel immunotherapies to target the underlying viral infection. This research is conducted in collaboration with the head and neck cancer and cervical cancer research groups at Johns Hopkins, which also study human papillomavirus-related diseases. In addition, Johns Hopkins is a site for ongoing clinical trials in DNA immunotherapy, the goal of which is to eliminate the causative viral infection that leads to RRP. Dr. Best 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 Laryngeal Nerve Damage, Recurrent Respiratory Papillomatosis, Vocal Cord Dysfunction, Laryngectomy, and Gastrostomy. Dr. Best is board certified in Head And Neck Surgery.
Rubenstein Child Health Building
Dr. Hilary Vernon is a Professor of Genetic Medicine and pediatrics at the Johns Hopkins University School of Medicine. She is also an attending physician at Kennedy Krieger Institute. Hilary Vernon has expertise in treating inborn errors of metabolism and mitochondrial disorders. She is the director of the Mitochondrial Care Center at The Johns Hopkins Hospital and the Barth Syndrome Interdisciplinary Clinic at the Kennedy Krieger Institute. Her research interests include understanding intermediary metabolism in Barth syndrome and in disorders of branch chain amino acid metabolism. Dr. Vernon also co-directs the Department of Genetic Medicine Clinical Trials Unit, and is the principal investigator on multiple clinical trials for rare diseases. Dr. Vernon received her medical degree and doctorate from Rutgers University, New Brunswick, New Jersey. She completed residencies in genetics and pediatrics at The Johns Hopkins University, and a fellowship in clinical laboratory biochemical genetics at The Johns Hopkins University. Dr. Vernon was recognized with the 2010 Francis F. Schwentker Award for Excellence in Research at Johns Hopkins University and the 2011 James B. Sidbury Jr. Fellowship in Biochemical Genetics at Johns Hopkins University. Dr. Vernon is rated as an Experienced provider by MediFind in the treatment of RASopathies. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Methylmalonic Acidemia, Propionic Acidemia, Infantile Neutropenia, and Progressive External Ophthalmoplegia. Dr. Vernon is board certified in American Board Of Medical Genetics And Genomics and American Board Of Pediatrics.
Johns Hopkins Outpatient Center
Dr. Sara Mixter is Assistant Professor of Medicine and Pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise are internal medicine, pediatrics, and primary care for adults with developmental disabilities and other complex childhood-onset conditions. She is the director of the Hopkins PACT (Pediatric-informed Adult Care and Transition) Clinic. Dr. Mixter is also the medical director of the Pediatric Complex Care Collaborative (PC3) for the Johns Hopkins Children’s Center. Dr. Mixter received her A.B. from Harvard College. She earned her M.D. from Harvard Medical School and M.P.H. from the Harvard School of Public Health. She completed her residency at Johns Hopkins as part of the inaugural group of trainees in the Urban Health Combined Internal Medicine-Pediatrics Residency Program. Her research interests include transitions of care for adolescents with special healthcare needs and education for residents and medical students, especially in primary care and complex care. Dr. Mixter has served as the Assistant Chief of Service for the Longcope firm of the Osler Medical Housestaff Training Program (2015-16), as well as Assistant Program Director for Ambulatory Education (2014-15). Dr. Mixter 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 Cerebral Palsy, Gastroparesis, Orbital Cellulitis, and Sickle Cell Disease. Dr. Mixter is board certified in American Board Of Pediatrics and American Board Of Internal Medicine.
Centennial Medical Group Multi Specialty
Susanne Gibbons is a Nurse Practitioner practicing medicine in Elkridge, Maryland. Ms. Gibbons is rated as an Experienced provider by MediFind in the treatment of RASopathies. Her clinical expertise encompasses Legius Syndrome, RASopathies, and Neurofibromatosis.
Medpeds LLC
Seth Eaton is a primary care provider, practicing in Internal Medicine in Laurel, Maryland. Dr. Eaton is rated as an Experienced provider by MediFind in the treatment of RASopathies. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Obesity in Children, Food Allergy, Multisystem Inflammatory Syndrome in Children (MIS-C), and COVID-19.
LifeBridge Pediatric Endocrinology-Sinai
Debra Counts is a Pediatric Endocrinologist practicing medicine in Baltimore, Maryland. Dr. Counts 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 Idiopathic Short Stature (ISS), Klinefelter Syndrome, Short Stature (Growth Disorders), and Pediatric Growth Hormone Deficiency.
Last Updated: 04/28/2026













