The development of the Community Deprivation Index and its application to accountable care organizations.

There is strong interest among policymakers to adjust for area-level deprivation when making payments to providers because such areas have traditionally been underserved. The Medicare Accountable Care Organization Realizing Equity, Access, and Community Health (ACO REACH) model provides higher payments to ACOs serving areas with greater deprivation. Area Deprivation Index (ADI) is the primary component to measure deprivation for ACO REACH.

Health Care Use of ACA Marketplace Enrollees During the COVID-19 Pandemic.

The onset of the COVID-19 pandemic in March 2020 had a sudden and substantial impact on health care utilization for most, if not all, individuals. We study the impact the pandemic had on the population insured in the individual and small group markets under the Patient Protection and Affordable Care Act (ACA) of 2010, using administrative claims data from January 2019 through December 2021. Our results demonstrated how health care utilization differed between the acute phase (i.