Whether it's possible or not, being a doctor, you take an oath. To care for your patient, not to kill them. You take an oath to do things that are proper in the medical world. Not to administer something outside of a hospital setting that's not even your area.
“I'm not a song and dance man, so you're not going to see me on 'Glee' anytime soon. If you want that show to continue, keep me far away from it.”
“If you're open to it, New Orleans will teach you about yourself, but if you want to hide from who you really are, the city will help you do that, too.”