Well, the insurance guy I spoke to seemed to feel that I would still be open to medical malpractice liability, even if all I did was give info and had a big disclaimer. I would not be diagnosing or prescribing - but let's face it, people can sue you for anything, and I guess if you're an MD, you're just too much of a target. I'll get some other insurance opinions, though.
I know I'd be great at it - I'm the one all MY physician friends come to with their own health puzzles