That depends on what person you are talking about. If it is John Quincy Adams, it is his middle name. For Quincy Jones, it is his first name. In the Quincy, M.E. television show, for Dr. Quincy, it is his last name.
robert
Jennifer Morrison
James
scooner
The first album that Dr. Hook and the Medicine Show recorded was called "Doctor Hook". It came out in 1971.
Anita Gillette's character, 'Dr. Emily Hanover', did not die in the series. She was in the final episode titled "The Cutting Edge" (1983), which served as an unsold pilot for a spinoff. The confusion is that Anita Gillette played a different character, 'Helen Quincy' in the episode titled "Promises to Keep" (1979). She is in flashback scenes as Quincy's dead first wife. Gillette's 16 other appearances on the show were all as 'Dr. Emily Hanover'.
Dr. Alzheimer's first name is Alois = Dr. Alois Alzheimer.
Dr. Bartolo's first name is Antonio.
Dr. Manette's first name is Alexandre.
On the TV show "Frasier," Dr. Niles Crane's middle name is "Evelyn."
There was Jay 'Kenneth' Johnson. He played Dr. Matthews, a Gynecologist.