Busy surgeries tend to accommodate occasionally weary health worker (10,5)

'health worker' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps there's a link between them I don't understand?

'busy surgeries tend to accommodate occasionally weary' is the wordplay.
'busy' is an anagram indicator.
'to accommodate' indicates putting letters inside.
'occasionally' indicates alternate letters (letters taken at regular intervals or occasions).
The alternate letters of 'weary' are 'er'.
'surgeries'+'tend'='surgeriestend'
'surgeriestend' anagrammed gives 'registednurse'.
'registednurse' placed around 'er' is 'REGISTERED NURSE'.

Can you help me to learn more?