Dr. Hilary Smith graduated summa cum laude from the State University of New York at Albany prior to attending New York University School of Medicine, where she received the Hippolyte M. Wertheim Award for academic achievement and graduated AOA. She completed her internship and residency at New York University, Bellevue Hospital.

Dr. Smith joined Pediatric Associates of Southern Westchester in July 2006. She is a member of the American Academy of Pediatrics and has been board certified with the American Board of Pediatrics since 2006. Dr. Smith resides in New Rochelle with her husband and two sons.