I've no idea my pdocs schedule. I make an appointment when I see him, usually for 3 months out, and I go to that appointment. On the rare occasion that I needed to reschedule, it usually takes a month to get in.

My t works 2 days a week, 12 hour days. I don't see her regularly anymore, so I schedule when I need. It usually takes anywhere from 4 to 6 weeks to get in unless she has a cancellation.