The hospital is a busy place. There are many employees, patients, and visitors running around. Even though everyone generally has a I.D. badge, it can be difficult to tell what they actually do. Especially if you’re a patient, and inevitably some annoying person is waking you up at 3 am asking if you know where you are and what day it is, again. So here’s a cheat sheet for the most common medical titles you’ll see on hospital name badges.