One thing that I've found helps me when visiting therapists, docs, psychiatrists etc. is playing silly games with the boys ahead of time. On the way there, when we get there, while we wait. It makes them more comfortable in the environment we go into if I start in the car. It also gets them into full throttle mode and the doctors/therapists can really see the true kid. I've done this the last 4 times, all with new doctors and it worked each time.