Dr. Tracy is currently the Chief of Emergency Medicine at the South Shore Hospital. He served as chief resident at the Harvard Affiliated Emergency Medicine Residency (HAEMR) and, from 2003-2007, was the assistant program director of the residency. In 2005, Dr. Tracy became the Director of Operations at the Beth Israel Deaconess Medical Center and subsequently served as Chief of Emergency Medicine at Nashoba Valley Medical Center and Chief of Emergency Medicine at Whidden Memorial Hospital, Cambridge Health Alliance. Dr. Tracy lectures internationally on emergency department design and operations.