Health NZ will have four regional divisions.
Photo: Ministry of Health / Supplied
The major restructure will see the 20 district health boards replaced by one new body, Health New Zealand, which will plan services for the whole population.
The also includes a Māori Health Authority and a new agency with responsibility for public health.
Canterbury DHB Board Member Aaron Keown said it was alarming that there were no numbers attached this early on to the reform.
Canterbury DHB Board Member Aaron Keown
Photo: RNZ / Conan Young The size of it is a little concerning and quite a surprise. There are two numbers that should be here. The financial cost - because essentially we will be borrowing money to deliver anything - and there s also the human cost.