The Twilight Zone Season 1 Episode 6

Cat burglar Jackie Thompson breaks into a museum to steal ancient artifacts and takes a rare gem that has strange healing powers – he is shot but the gem heals him. Taking on the name of Brother John, Jackie becomes a faith healer but soon becomes too greedy. Meanwhile an old Indian man, Duende, shows up and tells Jackie the relic must go back to where it belongs. Jackie starts to have second thoughts but his partner Harry leaves with the cash and his old bullet wound opens up and he begins dying again. A young deaf boy he had previously rejected because of lack of payment heals Jackie with it, then Jackie heals the boy and Duende leaves with the stone.