The nickname of the Scottish footballer, Dr. Kenny Deuchar

"The Good Doctor (Law & Order: Criminal Intent episode)", from American television

The Good Doctor (novel), a novel by Damon Galgut

The phrase "the good doctor" is a cliche which is commonly used in reference to any physician, sometimes with an ironic tone. Its first use was almost certainly by Shakespeare, at the end of Act V, Scene 1 of Macbeth:

The Good Doctor (play), a play by Neil Simon