Valerie Valle, PsyD

Dr. Meyer earned her doctorate degree from the University of South Florida, and completed an internship at the Children's Hospital of Michigan and a post-doctoral fellowship at Akron Children's Hospital. Dr. Meyer has provided psychological services to children and adolescents with a broad range of medical conditions, such as diabetes, kidney disease, sickle cell anemia, cancer, and various neurological conditions (e.g., AVM, cerebral palsy, chronic pain, epilepsy, spinal cord injury, stroke, and traumatic brain injury). She provides consultation services on the inpatient units at Johns Hopkins All Children's Hospital and sees outpatients as part of the All Children's Pediatric Psychiatry program.

Dr. Katzenstein is the director of psychology, neuropsychology and social work, at Johns Hopkins All Children’s Hospital. Previously, Dr. Katzenstein was a private practitioner and Assistant Professor of Neurology at Indiana University School of Medicine/Riley Hospital for Children in Indianapolis where she provided neuropsychological evaluations, consultations and academic coaching for children and adolescents. After graduating from Indiana University Purdue University Indianapolis, she completed a pediatric internship and fellowship at Texas Children's Hospital/Baylor College of Medicine. Dr. Katzenstein is board certified in pediatric neuropsychology and clinical neuropsychology.

Dr. Hess is a neuropsychologist at Johns Hopkins All Children’s Hospital. She joined the hospital staff in 2021. Her clinical expertise includes neuropsychological evaluations and consultations for children with cancer, brain tumors, and blood disorders. Dr. Hess earned her doctoral degree from Florida State University in Tallahassee, Florida. She completed a clinical psychology internship at the University of Florida Health Science Center/Shands Hospital in Gainesville, Florida, followed by a fellowship in clinical psychology at Rothman Center for Pediatric Neuropsychiatry/University of South Florida in St. Petersburg, Florida. Dr. Hess then completed a pediatric neuropsychology fellowship at Johns Hopkins All Children’s Hospital.