Impact of Provider Participation in ACO Programs on Preventive Care Services, Patient Experiences, and Health Care Expenditures in US Adults Aged 18–64

Background:Little is known about the impact of accountable care organization (ACO) on US adults aged 18–64.Objectives:To examine whether having a usual source of care (USC) provider participating in an ACO affects receipt of preventive care services, patient experiences, and health care expenditures