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 includes the full report on the 2006 Kaiser/Hewitt survey of large businesses that provide retiree health benefits to their workers. The Kaiser/Hewitt study, the fifth joint survey since 2002, analyzes responses from a non-probability sample of 302 businesses with 1,000 or more employees that offer retiree health benefits.
To better understand changes in the private plans providing drug coverage to Medicare beneficiaries under the program's Part D benefit, the Kaiser Family Foundation is issuing a series of data spotlights analyzing key elements of Medicare's private drug plans.
This Medicare Part D data spotlight analyzes the premiums charged by the 1,824 stand-alone Medicare Part D plans that will be offered in markets across the country in 2008. The analysis finds premiums charged for Part D plans range widely, from $9.80 per month to $107.50 per month.
The Kaiser Family Foundation has also posted an appendix detailing the methodology used in the Medicare Part D 2008 Data Spotlight series. The series analyzes key aspects of the 2008 Medicare Part D prescription drug plan choices.
This Medicare Part D data spotlight examines three common techniques used by Medicare stand-alone prescription drug plans in 2008 to manage enrollees’ use of formulary drugs, such as quantity limits, prior authorization, and step therapy rules. This is one in a series analyzing key aspects of the 2008 Medicare Part D prescription drug plan choices.
This policy brief, prepared for the Kaiser Family Foundation by Vicky Gottlich at the Center for Medicare Advocacy, explains the Centers for Medicare & Medicaid Services’ legal authority to regulate advertising and other information issued by the private companies that contract with the government to provide Medicare benefits.
This data spotlight examines trends in benefits and cost-sharing for Medicare Advantage plans in 2010, including the wide variations found across plans and the rapid increase in cost sharing requirements for some benefits, including stays in skilled nursing facilities.
This chartbook provides the most recent and reliable data available about the Medicare program and the 47 million seniors and younger people with disabilities who get health insurance coverage through the program.
During the Medicare Part D annual enrollment period, people on Medicare can review and compare stand-alone prescription drug plans (PDPs) and Medicare Advantage plans and switch plans if they choose. Low-income beneficiaries who receive premium and cost-sharing assistance through the Part D Low-Income Subsidy (LIS) program have a subset of premium-free PDPs (benchmark plans) available to them, but can also choose to enroll in a non-benchmark plan and pay a premium. This analysis examines plan changes among LIS enrollees in PDPs between 2006 and 2010.
In the latest post in the Policy Insights series, Tricia Neuman draws on the experiences of Medicare beneficiaries during Medicare’s annual enrollment period to consider whether consumers with health insurance coverage through the Affordable Care Act’s new marketplaces will shop for a better deal during their open enrollment season. Previous columns in the Policy Insights series are also available on kff.org.
© 2026 KFF