Since 2015, the majority of new accountable care organizations (ACOs) have been led by physician groups rather than hospital systems. This shift requires policies that address the characteristic strengths and weaknesses of physician-led ACOs.
Experience with risk-based contracting best predicts active engagement of accountable care organizations in reducing low-value medical services, mainly through physician education and encouraging shared decision making.
This article compares clinical and utilization profiles of Medicare patients who are attributed to provider groups with those of patients unattributed to any provider group in accountable care organization models.
The authors surveyed physicians regarding “Choosing Wisely” and hypothesized drivers of overuse, finding high reported prevalence of hypothesized drivers of overuse and widespread support for cost-consciousness.