In January, CMS proposed overhauling the way it evaluates if and how much money ACOs are saving in the Medicare Shared Savings Program (MSSP). Under the revised methodology, the agency would adjust cost benchmarks based on regional rather than national spending data when an ACO signs up for a second three-year contract period.
Of 434 ACOs participating in the program, only 22 have chosen to participate in tracks that include downside risk.
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