Dr. Reimschisel completed medical school at Rush Medical College and residencies in Pediatrics, Child Neurology, and Genetics at Johns Hopkins Hospital. His primary clinical interests include mitochondrial disease and the diagnosis of genetic conditions that cause neurodevelopmental disabilities, such as global developmental delay, intellectual disability, and autism. Dr. Reimschisel is also interested in genetics and neurodevelopmental disabilities education for medical students, residents, and other healthcare professionals. He became the Associate Program Director of the Pediatric Residency Program in 2009. He is a member of the Society for Inherited Metabolic Disorders and the American Academy of Neurology.