Abstract 058: Early Effect of Medicare Accountable Care Organizations on Acute Myocardial Infarction Episode Payments

Objective: Spending for acute myocardial infarction (AMI) episodes varies widely across hospitals, driven primarily by payments made more than 30 days after discharge. Through collective incentives and an emphasis on care coordination, Medicare accountable care organizations (ACOs) may help reduce this variation. To test this hypothesis, we analyzed national Medicare data. Methods: Using a 20% random sample, we identified Medicare beneficiaries...