Yeah I have.

1- Did you find much?
Just he's linkedin account and his license.

2- Did you tell your therapist that you googled him/her?

No I haven't. I'm probably not going to. I don't think he would react badly. I just don't see the need to tell him.

5- Do you have any regrets?

No I don't have any regrets. It helped me start to trust him a little.