The Health Care Transformation Task Force (HCTTF), formed in 2015, is a consortium of organizations representing patients, payers, providers, and purchasers working toward establishing value-based payment as an industry standard. Its members, which represent, insure, and/or provide treatment for more than 200 million people, or more than 60% of the U.S. population, are committed to having 75% of their business operating under value-based reimbursement arrangements by 2020. This series of three articles examines this transition from the points of view of providers, payers, and purchasers. ….more