At the final board meeting in Invercargill this week, Mr Millar said he was still confident progress was being made "in the right direction", but it was disappointing some people were rushing off to the media "every time they lay their hands" on any communication.
Speaking after the meeting, he said he felt "everybody needs to settle down a little".
He would like to see the community reference group start thinking about the options for governance structures for future health services pending the outcome of the deliberations of the clinical review group.
That group, chaired by Prof John Campbell, is reviewing the options for health services in the Wakatipu area and is expected to come up with an agreed model which is clinically and financially sustainable.
It was to have delivered its report by December 1, but chief executive Brian Rousseau advised the board it would be later than that.
Mr Millar said he would continue to see if he could "get things on the right track" in the last month of his term.
He has suggested the community group have a link with the clinical review group, with Prof Campbell invited to be a member of it.
Wakatipu Health Trust executive officer Maria Cole said yesterday she was to meet Queenstown Lakes District Council and the SDHB representatives in Queenstown this month.
"We need to move quickly with community governance, then we can actually make further plans from there."
Queenstown Lakes Mayor Vanessa van Uden said yesterday recent progress by the health board to establish the changes had "been moving forward, but slowly".
"We need to get the main players in the game and a few of the interested councillors to see how we can get progress and resolution."
However, Mr Rousseau yesterday "disagreed completely" that progress had been slow. He said the board had been "moving forward at pace".
"I'm confident we will still come out the other end with a good solution for Queenstown which is sustainable."
He was disappointed not to have received any proposals to establish local governance and was waiting for the trust to engage with the SDHB.
A report of interim findings by the SDHB into health services in the Wakatipu area would be complete "before Christmas" and an overall conclusion was a "matter of months away".
"This is still dependent on a whole heap of things but I'm talking months, not years."
