Thomas Kovachevich is both a physician and an artist. He’s practicing both his professions in NYC and has a show there right now.
http://www.nytimes.com/2012/03/23/arts/design/thomas-kovachevich-alpenglow.html?ref=arts
Here’s a video clip where he says that “everyone should go to arts school first, to learn how to solve problems, and then go and study whatever their chosen profession is.” Take a listen! (yay, I finally learned how to post videos, thanks nance)