Sorry, I have zero experience with this. But it sounds like an amazing opportunity, and if I were you, I'd at least explore the possibility. Can you contact the training/education group and find out more information? I'm sure that you'll know after a short bit of training whether the G-doodle is a candidate for therapy work, or maybe they can evaluate the dog beforehand?
Good luck with whatever you decide!
(and hey, way to get me to log onto ODO for the first time in forever,