Hee! Well, in Deja Vu All Over Again (http://whoosh.org/epguide/dejavu.html) (I meant to link that originally, and you went and stole my ability to edit!), everybody who's in the waiting room already believes they are those people (General Custer, Pocahontas, Joan of Arc off the top of my head) so she'd probably be treating him like one of her usual patients.