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ACOs remain a mainstay strategy for shifting to value-based care
Accountable Care Organizations are being touted as one of the top strategies for achieving value-based care. Currently, much of the shift to value-based care is being led by federal agencies responsible for Medicare and Medicaid reimbursement. The Department of Health and Human Services has set a goal of tying 30 percent of traditional, or fee-for-service, Medicare payments to quality or value through alternative payment models, such as ACOs or bundled payment arrangements, by the end of 2016, and tying 50 percent of payments to these models by the end of 2018.

Hundreds of ACOs are emerging. In this list, we highlight some of the nation’s biggest ACOs, ranked by number of members.