Quality improvement collaboratives have become a common strategy for improving health care. This paper uses social … among major health plans to reduce racial and ethnic disparities in health care in the United States. Pre-existing ties, the …. Findings suggest that sponsors and support organizations, along with a few of the health plans, form the core of this network …

, but also examine how individual, organisational and contextual factors may influence a particular pattern of Medicare/Medicaid … to identify the predictors that influence the error rate in hospital billings. Health services researchers have … variation in health services use. Despite the importance of medical claims data for detecting billing errors or fraudulent …

led to sizeable improvements in access to health care in both Medicaid expansion and non-expansion states, with the gains …The goal of the Affordable Care Act (ACA) was to achieve nearly universal health insurance coverage through a … combination of mandates, subsidies, marketplaces, and Medicaid expansions, most of which took effect in 2014. We use data from the …