Implementation of accountable care organizations (ACOs) has been occurring unevenly across the nation, with rural areas lagging behind their more urban counterparts in ACO establishment. To help establish ACOs in more areas of the country, the Centers for Medicare and Medicaid Services (CMS) developed the ACO Investment Model (AIM) to provide participating ACOs with up-front and ongoing monthly payments over 24 months to fund ACO infrastructure investments and staffing.

Read the rest of the discussion, written in part by L&M's Heather McPheron, posted on HealthAffairs.org.