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Beneficiaries who participate inconsistently in Accountable Care Organizations (ACO) under the Medicare Shared Savings Program (MSSP) have much higher healthcare costs than do beneficiaries who never participated in an ACO to begin with, according to a report released Friday afternoon by the Medicare Payment Advisory Commission (MedPAC).
Beneficiaries who participated in the same ACO consistently year after year saw slower cost growth than their peers in the same market. Those who were assigned to the same ACO in 2013-2016 saw spending growth 10.0 percentage points lower than the market average, according to Chapter 6 of the 500-page report.