Dr. Longo specializes in pediatric emergency medicine at Johns Hopkins All Children’s Hospital. She joined the hospital staff in 2012. Dr. Longo earned her medical degree at St. George’s University School of Medicine in Grenada, West Indies. She trained in pediatrics at Maimonides Infants and Children’s Hospital in Brooklyn, New York. Dr. Longo then completed a pediatric emergency medicine fellowship at Children’s Hospital and Clinics of Minnesota/Regions Medical Center in Minneapolis, Minnesota.