Long-Term Spending of Accountable Care Organizations in the Medicare Shared Savings Program.

ABSTRACT:

Importance

Evidence from initial cohorts of accountable care organizations (ACOs) participating in the Medicare Shared Savings Program (MSSP) found modest reductions in health care spending. Little is known about whether these effects have changed over time.

Objective

To determine long-term changes in spending for MSSP ACO participants.

Design, setting, and participants

Using 2010 to 2019 traditional Medicare data, difference-in-differences analyses were performed to compare spending changes for patients attributed to ACOs relative to changes for patients at non-ACO organizations. Outcomes included total Medicare spending and spending by category. Three- and 6-year effects and estimated differential changes overall and by ACO characteristics were calculated, including

SUBMITTER: Bond AM 

PROVIDER: S-EPMC12038717 | biostudies-literature | 2025 Jun

REPOSITORIES: biostudies-literature