His areas of clinical expertise include infectious disease. Dr. Piggott earned his M.D. and Ph.D. from Yale University. He completed his residency at Yale-New Haven Hospital. He became an assistant professor of medicine at Johns Hopkins in 2013.He serves on the Junior Faculty Resource Advisory Council and the Diversity Council in the Department of Medicine at Johns Hopkins. He is on the faculty of the Internal Medicine-Pediatrics Urban Health Residency Program.