I think by telling the new doc that you feel the dx was wrong is a good start! That way he won't just assume that's what you are (well,because you've been "that" for so long and didn't say otherwise...) you know?

Welcome to PC, you've come to a good place in your life!

(Gotta read everything when you do a poll... fill in places with YOUR words when other prompts are there...etc etc :rotfl")