Mine don't work together or even in the same city but they do communicate if needed. My pdoc used to be the pdoc for the center where I see my therapist and so they know each other even though they haven't worked together in a long time. My pdoc asks about therapy every visit and my therapist asks about pdoc visits. If my therapist thinks I won't communicate a problem well or he is really worried he emails my pdoc or calls her. They trust each other which helps me a lot.

I trust both of them. I've seen them for a very long time which helps with trust and they've both proven that they are trustworthy.