Nancy Lynn Snyderman is an American physician, author, and former broadcast journalist. She served as a medical correspondent for ABC News for 15 years, and was the chief medical editor for NBC News from 2006 to 2015, frequently appearing on the Today show, NBC Nightly News and MSNBC to discuss medical-related issues. Snyderman is also on the staff of the otolaryngology-head and neck surgery department at the University of Pennsylvania, located in Philadelphia, Pennsylvania.