Health Affairs November 16, 2023
Abstract
Accountable care organizations (ACOs) have become Medicare’s dominant care model because policy makers believe that ACOs will improve the quality and efficiency of care for chronic conditions. Depression and anxiety disorders are the most prevalent and undertreated chronic mental health conditions in Medicare. Yet it is unknown whether ACOs influence treatment and outcomes for these conditions. To explore these questions, this longitudinal study used data from the 2016–19 Medicare Current Beneficiary Survey, linked to validated depression and anxiety...