Dr. Melissa Pagan

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 Advanced provider by MediFind in the treatment of Cardiofaciocutaneous Syndrome. Her top areas of expertise are Cerebral Palsy, Gastroparesis, Orbital Cellulitis, and Sickle Cell Disease.

Maura Carroll is a Pediatrics provider in Ashburn, Virginia. Dr. Carroll is rated as an Advanced provider by MediFind in the treatment of Cardiofaciocutaneous Syndrome. Her top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Delayed Growth, Autism Spectrum Disorder, and Croup. Dr. Carroll is currently accepting new patients.

Dr. Alexander Hoon is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. He also serves as the director of the Phelps Center for Cerebral Palsy and Neurodevelopmental Medicine and medical director of the Carter Center for Holoprosencephaly and Related Disorders at Kennedy Krieger Institute. Dr. Hoon received a bachelor of science from Davidson College in 1974, and a medical degree from the University of Pittsburgh in 1978. After a pediatric residency at Kosair-Children's Hospital in Louisville, he completed a neonatology fellowship at British Columbia Children's Hospital and a one-year fellowship in medical genetics at the Affiliated Hospitals in Vancouver, Canada. In 1988, he came to Baltimore where he completed a fellowship in neurodevelopmental disabilities at Kennedy Krieger Institute, and obtained a master's of public health at Johns Hopkins School of Hygiene and Public Health. He joined the Kennedy Krieger faculty in 1990. Using his training in neonatology, genetics, neurodevelopmental disabilities and public health and working with collaborative research teams, Dr. Hoon addresses questions of cause and treatment in cerebral palsy. His current research uses advanced neuroimaging techniques, including diffusion tensor imaging (DTI), in the Kennedy Krieger Institute Kirby Research Center for Functional Brain Imaging, to more precisely characterize brain injury. Dr. Hoon is a member of the American Academy of Pediatrics, the American Society of Human Genetics, the American Academy for Cerebral Palsy and Developmental Medicine, the Society for Developmental Pediatrics and the Kennedy Fellows Association. He was awarded the 2001 Kennedy Krieger Institute William J. Hersey Prize for exceptional commitment to children with disabilities. Dr. Hoon is rated as an Experienced provider by MediFind in the treatment of Cardiofaciocutaneous Syndrome. His top areas of expertise are Cardiofaciocutaneous Syndrome, RASopathies, Rubella, and Neonatal Sepsis.