WELL, WE all know what the politically correct view of this is.
We're not supposed to be judgemental if someone wants his penis cut off. We're supposed to be tolerant of the LGBT community. The "T" in LGBT community stands for transsexual.
Can the patients who switch doctors be sued for discrimination by not going back to him / her, whatever pronoun you use for a tranny?
Most transsexuals don't like being lumped in with most gays, either. It's a political alliance of convenience only.