“The Trump administration wants to make big changes to the way Accountable Care Organizations (ACOs) participate in the Medicare Shared Savings Program (MSSP). But that policy shift could be rooted in flawed data, according to a new report from the National Association of ACOs (NAACOs).
The Centers for Medicare & Medicaid Services (CMS) has said MSSP ACOs produced net savings of $954 million between 2013 and 2015. NAACOs, by contrast, says those same organizations saved $1.84 billion—nearly twice that amount.
NAACOs said its estimate is more accurate because it was calculated using a difference-in-difference regression analysis. This methodology compared beneficiary spending in the program to beneficiaries that weren’t assigned to an ACO.”
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