By Elizabeth Whitman @ Modern Healthcare

The accountable care organization is loosely defined as a collection of doctors, hospitals and other providers who agree to take financial responsibility for the quality of care.

Proponents argue they have great potential to improve healthcare value. But despite the consensus that healthcare needs to shift from fee-for-service into value-based models, no one has figured out the perfect model, including for ACOs. The more than 800 ACOs that now exist across the U.S. take on varying levels of financial risk and set different benchmarks for costs and different measures for patient outcomes.

“What makes a successful ACO? As an industry, we don't know,” said Micky Tripathi, founding president and CEO of the Massachusetts eHealth Collaborative, a not-for- profit that works directly with three ACOs and also serves as a data warehouse for Aledade, a company that helps physicians form ACOs.

Read the entire article at: Modern Healthcare