Dr. John Summer is a fictional character portrayed by Jay O. Sanders in the TV series Northern Exposure.
In the first episode they appeared in, titled Jaws of Life (season 5), they were 40 years old.
They appear in 1 episodes out of a total of 110 aired
Episodes1
Jaws of Life
episode S5.E3 october 1993The dentist comes to town and everyone is scared. Maurice is cast in wax. Chris finds out he's going to live past 40.