Max is correct. The best arrangement is where your HRT/endo doc is your primary. Mine is and they take good care of me. Informed consent clinics here seem to operate that way. This way they don't have to consult with your primary to adjust any other meds you may be taking.
They will most likely do full blood work on you and check all your levels, check A1C for diabetes, liver level etc.
That said, a few years ago when I first visited the doctor I was shocked at my results. I felt fine except for some joint pain. My doctor said my cholesterol was way off the charts, something like 400. Now it's down to like 90 which is not too bad. So get yourself checked. You never know, and treating problems early is bette rthan dealing with later.