Nada Harik, M.D., is an attending physician in the Division of Infectious Diseases at Children's National Hospital in Washington, D.C and an Associate Professor of Pediatrics at the George Washington University School of Medicine and Health Sciences.

Dr. Harik is the director of the Pediatric Infectious Diseases Fellowship Program at Children's National. She also serves as the clinical consultant for the Infection Control Program. Her main research and clinical interests are Staphylococcus aureus epidemiology and pathogenesis, osteomyelitis/septic arthritis, infections in children with cystic fibrosis, infection prevention, tick-borne infections, medical student/resident/fellow education and pediatric tuberculosis.