You are right that medical types tend to be rather intolerant of problems. It seems to be a universal trait, probably due to them having to deal with so many, in a professional manner, it becomes a bit wearing when doing so, personally.
Can you simply not tell them? Just carry on, take your T?
Granted, you'll change over time, but that will be gradual.
The only difficulity I can see with this approach is them accepting you as a male. If you can live with them, accepting you as you are, while gadually changing into what you need to be, by the time it all becomes so obvious, your self confidnce should be pretty good, not to mention the economy. Also your social situation there will be more scure, so you may even swing it.
What do you think?