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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.
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Following a pledge by insurance companies to reduce the burden of prior authorizations, KFF's Health Tracking Poll examines the publics experience with the process. The poll finds that most view insurers' delays and denials as a problem, and few are aware of the newly announced pledge.
Higher market concentration in Medicare Advantage insurance markets may lower the incentive for insurers to compete for potential enrollees by making plans more appealing through more comprehensive benefits or lower costs.
Federal spending on the Medicare Advantage quality bonus program has more than quadrupled since 2015, rising to at least $12.7 billion in 2025. Most Medicare Advantage enrollees are in a plan that receives a bonus payment in 2025, with employer- and union-sponsored plans receiving the highest bonus payments and special needs plans receiving the lowest bonus payments, on average.
This Health Policy 101 chapter explores Medicare, a federal health insurance program covering more than 68 million people, established in 1965 for people age 65 or older and later expanded to cover people under age 65 with long-term disabilities. In addition to detailing Medicare eligibility, coverage, and spending, the chapter examines the increased role of private plans in providing benefits and the financing challenges posed by increasing health care costs and an aging population.
The FDA recently approved a new use for Wegovy, the blockbuster anti-obesity drug, to reduce the risk of heart attacks and stroke in people with cardiovascular disease who are overweight or obese - a decision that opens the door to Medicare coverage of Wegovy, which is prohibited by law from covering drugs used for obesity. This brief analyses how many Medicare beneficiaries could be eligible for the new use of Wegovy and the potential impact on Medicare spending.
This analysis documents the different sources of coverage among people with Medicare and examines variation in beneficiary characteristics by source of coverage.
This glossary serves as a guide to the sometimes arcane terms that inhabit the world of Medicare Advantage, the private plan alternative to traditional Medicare.
This brief explains how Medicare Advantage payments are determined and provides an overview of policy options to change the Medicare Advantage payment system.
Using Medicare Advantage encounter data, this analysis finds that 62% of Medicare Advantage enrollees have at least one chart review record and that diagnoses added from chart reviews increase payments from CMS to insurers for 17% of enrollees. The use of chart reviews varies across the largest Medicare Advantage insurers.
Using health insurer financial data for 2023, we find that in 2023, per enrollee gross margins were highest in the Medicare Advantage market, and medical loss ratios were lowest in the individual insurance market. Across most markets, gross margins have been relatively stable in recent years.
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