For the article by Bruce Japsen, here. For the home page of the Health Care Transformation Task Force, here. The coalition includes the largest insurers (Aetna, BCBS; large health plans like Advocate; large employers like Boeing.)
The group posted a 7-page letter to the President-Elect on December 6, here.
The HTTF was announced almost two years ago, in January 2015, here.
For its part, and separate from HTFF, Medicare is part of a "Health Care Payment Learning and Action Network," of HCP-LAN, which "brings together providers, payers, and others in the health care system." HCP-LAN has a website, here.