With higher payments and expanded private-plan authority, Medicare Advantage (MA) has caused the market to grow. One in three Medicare beneficiaries with Part D now gets this coverage through MA. Analysis of the sources of and reasons for enrollment growth suggest a troubling report card....

Previous efforts by Congress to expand the role of private plans in Medicare have met with limited success. Although the same fate may befall Medicare Advantage, the political environment has changed, and powerful political interests now support Medicare privatization. Only time will tell...

Extraordinary growth in managed care arrangements over the past decade has been both widely praised and criticized. Proponents and critics agree that the nature of medical practice is being profoundly altered by this growth, even if they cannot articulate the direction and consequences of this...

Quality improvement collaboratives have become a common strategy for improving health care. This paper uses social network analysis to study the relationships among organizations participating in a large scale public–private collaboration among major health plans to reduce racial and...

Looks at the evolution of TennCare, Tennessee's controversial Medicaid Managed care program, and provides lessons relevant to sates using managed care for expanding health care for low-income people while containing costs.

Provider risk sharing was common throughout the 1990s. Recent evidence suggests waning interest, although no information exists that is specific to Medicaid. This article examines risk-sharing arrangements in Medicaid managed care through a survey of participating plans in 11 states conducted in...