All of my therapists and my pdoc consulted with colleagues as a matter of regular practice. I always assumed I might come up as a topic from time to time, and I did on occasion because they told me about it later. It never particularly mattered to me one way or another I guess. Not really supervision though (they were actually more likely to be supervising other therapists/doctors because of their positions) but they had regular consultation meetings where they would bring up issues to discuss with their colleagues.