You might ask at lgbt places, or at trans groups...
there might be trans meetup groups for example...
you might look up if there are some listed in yellow pages,
or you might ask gynaecologists... they often work together with endos for obvious reasons...
and then look up if the are recommended by other trans people...
or ask if they have sufficient experiences with trans people...
another option might be to ask an endo further away if they would be willing to work together with your gp so they would advise them...
and you might get knowledgable a bit on the subject yourself ...
on the advantages of different methods, like for example sublingual use, or topical use, injections or implants...
of doses spread throughout the day for a more steady dose...
etc... so you could ask them the right questions...
and you might think about quitting smoking, if you do

hugs