Generally here on PC, when someone says Pdoc they are referring to their psychiatrist.

I have a Licensed Clinical Psychologist as my therapist, and an MD as my psychiatrist.

Depending on how things are going, I see my pdoc every 1-3 months. Our appointments generally run about 45 minutes as we talk about things that are going on in my life as well as meds, but she leaves the actual therapy up to my T, but of course, likes to stay in the loop.

Whenever either my T or pdoc feels that there is something important for the other to know, they [with my consent] will give them a call. This actually just happened to me today. During my session, my T thought she should call my pdoc to get some insight on my situation since it involves my meds.