I don't have a working tv, except to watch videotapes. I've seen a YouTube clip though, where he's in a meeting and has to remind everyone of his presence by repeatedly announcing "Denny Crane!"
I think the ham factor geometrically increased during the Trek movies. But at least he's having fun, and well paid. A far cry from the days of when he was living out of his truck camper doing dinner theatre after TOS went off the air.