A.M.A. member? (3)
(Another definition for dr that I've seen is " Lacking moisture.".)
'ama member' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for doc that I've seen before include "Medical practitioner (abbr)" , "GP (colloq.)" , "Fox perhaps" , "Medic, in short" , "Holliday (in 17 24)" .)
(Other definitions for ask that I've seen before include "Something demanded" , "Pose" , "Invite (to a party)" , "Seek an answer" , "Make enquiry" .)