The National Party wants the Health Minister to intervene to allow the Whānau Ora Commissioning Agency access to information about unvaccinated Māori.
The agency is going back to court to get data from the Health Ministry, which it wants to urgently boost Māori vaccination rates.
Andrew Little says while he expects the information is shared with Whānau Ora he can't force that to happen.
At the time of broadcast, the Ministry of Health had not responded with any comments.
Here's our political reporter, Katie Scotcher.