I would happily walk away from this job if I were you. It seems their whole mentality it "d*mned if you do, d*mned if you don't."

Start looking for a job at a hospital that it UNIONIZED. Sometimes, at these facilities, the staff is more supportive and bonded together and you can have an advocate if you must go up against your management. JMO. Oh, and I'd write a quick e-mail to this doc like, "just so you know...." and be fairly breezy about it.