I looking into hrt for the first time. I dont have a doctor. So what kind of doctor do I need to go see to get and treatment ? Where to start? What are my choices ?  Help please ...

An endocrinologist is the most obvious answer but in general anyone who can prescribe both the drugs and labs to make sure everything is sunny side up will do. This can include a GP, OB/GYN, physician assistant or nurse practitioner. (I go to an OB/GYN myself)