<unk>  was a strategic health authority (SHA) of the National Health Service in England. It operated in the<unk> <unk>  region, which is coterminous with the local government office region. When created in 2006 it had regional oversight of 24 Primary Care Trusts, 23 acute NHS trusts, 8 mental health trusts, 7 specialist trusts, as well as the<unk> <unk>  Ambulance Service. In October 2011, in preparation for planned government changes,<unk> , alongside NHS Yorkshire and Humberside and NHS<unk>  East became a part of the NHS<unk>  of England SHA cluster - a temporary administrative merger to manage the<unk>  of England health economy until the planned dissolution of SHAs in March 2013. The merger initially retained all staff but merged the three separate boards into one. The former Chief Executive of<unk> , Mike Farrar left at that time to become the Chief Executive of the NHS Confederation. The authority closed on 31 March 2013 as part of the Health and Social Care Act 2012.
NHS North West
NHS Digital
NHS London
Ms B v An NHS Hospital Trust
NHS East of England
NHS Barnet
NHS Wales
NHS Greater Glasgow and Clyde