Providers and private payers may be ill-prepared for the risk sharing that comes with accountable care organizations (ACOs) under the Medicare Shared Savings Program, according to a report released yesterday by The Commonwealth Fund. Even though they may be supported by payers, providers lack the infrastructure to manage the risk and need more data about patient populations, reports FiercePracticeManagement. "It is unlikely that there will ultimately be a 'one size fits all' solution; it will be important to learn which models work best in which situations," states the Commonwealth Fund. Article