Religious painter now some hospital doctor? (6)

I believe the answer is:

intern

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'hospital doctor?' is the definition.
'intern' can be an answer for 'doctor?' (intern is a kind of doctor). I am not certain of the 'hospital' bit.

'religious painter now some' is the wordplay.
'some' indicates a hidden word.
'INTERN' can be found hidden inside 'religious painter now'.

Can you help me to learn more?

(Other definitions for intern that I've seen before include "Detain in custody" , "House officer" , "Confine the hospital resident" , "Medical graduate trainee" , "Imprison without trial - hospital junior doctor" .)

I've seen this clue in the Sydney Morning Herald.

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