J. Michael McWilliams, MD, PhD

The authors use surgical resident assignment as an instrumental variable for discharge opioid prescribing and estimate the impact of discharge opioid supply on subsequent use.

The authors of this study examined expense reports to understand how participants in Medicare’s Accountable Care Organization Investment Model spent to achieve program goals.

The different approaches to setting benchmarks for population-based payment models (empirical, bidding based, and administratively set) have unique advantages and challenges.

Participation in the 340B Drug Pricing Program by general acute care hospitals and critical access hospitals has not been associated with increased provision of uncompensated care.

Analysis of spending differences among accountable care organizations (ACOs) may help identify cost savings opportunities. We examined the magnitude and sources of spending variation among ACOs over 4 years.

One delivery system’s healthcare utilization in its Medicare Advantage product was notably less than in its Pioneer accountable care organization or in a traditional Medicare comparison group.

Reducing specialty leakage is promoted as crucial for accountable care organizations (ACOs). This study finds that Medicare ACOs had modest reductions in specialty use and minimal changes in leakage.