Bulk Bill Meaning

(Australia, idiomatic) To invoice the government or insurer, and not the patient, for medical expenses incurred at a general practitioner or other medical service provider.

Example: Used other than as an idiom: see bulk,‎ bill.
1984, Australian House of Representatives Parliamentary Debates, Volume 2, page 1897,
  The front page of the publication alleges:
  A meeting late last year of most local general practitioners decided unanimously that doctors would bulk bill only disadvantaged people, such as pensioners and health care card holders.
2003, Darroch Donald, East Coast Australia, page 58,
  Doctors who invoice Medicare directly, so charging the patient nothing on examination, are said to bulk bill Those that don′t bulk bill charge the patient, who then has to reclaim the charge from Medicare.
2007, Sally Ann Young, Government Communication in Australia, page 199,
  For example, in one ad, the female voiceover (representing the government) states: ‘We′re giving doctors more incentives to bulk bill. Medicare is now paying them more every time they bulk bill children under sixteen and Commonwealth concession card holders.’