The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
This Medicare Part D data spotlight examines the coverage gap, or “doughnut hole,” in Medicare drug plans available in 2008. Part D enrollees (other than those receiving low-income subsidies) will reach the coverage gap after they incur $2,510 in total drug costs in 2008.
This issue brief focuses on one subset of “flexibility” issues: the current federal benefits and cost-sharing rules that apply with respect to acute care. Issue Paper (.
© 2026 KFF