I once had a FTM trans pt come to the ER for abdominal pain/distention for a few days. Upon getting to surgical history, told me that he had a stent placed a few months ago for kidney stones. Ok, now with some fevers, some side pain, that could be something. I get labs, UA, planning for US or CT. Go back into room and let him know about plan, he says ok. Get CT back and basically he after the stent placement, turns out 3 weeks ago, he had complete hysterectomy, oophorectomy (I think), and penile construction. WTF. You didn't think this was important to tell me?
All of these problems could be resolved by being open/honest and just telling me that he was trans.
The lady in the article was embarrassed to tell the pharmacist about estrogen. If she had said "oh I'm trans", the pharmacist would have understood. Medical professionals (ok most, certainly in urban centers) don't care at all about wtf is going on with you. Just be honest.