Tidy hospital attendant (7)
I believe the answer is:
orderly
I believe this clue is a double definition.
'tidy' is the first definition.
(similar in meaning)
'hospital attendant' is the second definition.
(synonyms)
(Other definitions for orderly that I've seen before include "Well-behaved; hospital worker" , "Regular - neat" , "Junior Army rank" , "Methodical; hospital worker" , "Systematically, not haphazard" .)