Health Affairs December 20, 2021
Abstract
In 2012 Medicare introduced the quality bonus program, linking financial bonuses to commercial insurers’ quality performance in Medicare Advantage (MA). Despite large investments in the program, evidence of its effectiveness is limited. We analyzed insurance claims from the period 2009–2018 from the nation’s largest MA claims database for 3,753,117 MA beneficiaries (treatment group) and 4,025,179 commercial enrollees (control group). Using a difference-in-differences framework, we evaluated changes in performance on nine claims-based measures of quality in both groups before and after the...
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