A Healer, is the same as a doctor. Healers use Healing Spells on their patients. Most work at St. Mungo's Hospital for Magical Maladies and Injuries. Some like Poppy Pomfrey work at Hogwarts School of Witchcraft and Wizardry. In order to become a healer or medi-wizard, you need to recive an Exceeds Expectations on the Potions, Transfiguration, Herbology, Charms and also Defence Against the Dark Arts. on their N.E.W.T's.
Harry: "Are they doctors?"
- Ron: "Doctors? Those Muggle nutters that cut people up? Nah, they're Healers."
- — Harry and Ron.[src]
- Healers wear Lime Green robe with a bone, and a wand crossing.