Can a robot write a medicine prescription? A medical procedure prescription? If yes, that would be a game-changer. But the medical insurance providers would be very cautious about honoring these. Then, if things go wrong, what entity would be held accountable for malpractice?
You already can get a good-quality medical advice "for nothing", unless it requires e.g. a blood test. The question is, how actionable such an advice is going to be, and how even the quality is going to be.