I went to my first therapist when I first went to college for anxiety, depression, head aches, confusion, fears, hatred, and pain. And also a grudge that I had with a relative. So I wasnt searching for a therapist of gender specialization. What happened though is that as I talked and layers were pealed off, the root of such problems where that hidden side of me that was extremely androgynic. And I realized I had been squishing, suppressing, and hurting myself for most of my life. I am thankfull for the help I receive not just for gender related things, but for helping me feel more free from the chains that were ... killing me.
She never used the word 'androgyne'. That wasnt in my nor her vocabulary, though we did use "androgynous", and concepts like 'own mixture of gender expression" and talked about how maybe inside I am both a boy and a girl.
I still go back and revisit that time period sometimes when I have bad days, and need some inspiration.
Now her specialization was actually different then gender, though she was willing to go that way and help me learn about me.