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.
Total Medicare Advantage Enrollment, 1992-2014 Download Source MPR/Kaiser Family Foundation analysis of CMS Medicare Advantage enrollment files, 2008-2014, and MPR, “Tracking Medicare Health and Prescription Drug Plans Monthly Report,” 2001-2007. Report of the Medicare Board of Trustees, 2002.
This analysis examines the amount of financial assistance that people have qualified for through premium tax credits in the new health insurance marketplaces (also known as exchanges) under the Affordable Care Act through the end of February 2014. The brief also examines the implications that the enrollment variation carries for the potential tax benefits the Affordable Care Act offers to state residents.
In his latest column for The Wall Street Journal’s Think Tank, Drew Altman explains why 2015 enrollment in the Affordable Care Act’s marketplaces is very hard to predict. All previous columns by Drew Altman are available online.
To learn more about the early ACA enrollment experience in two states, the Kaiser Commission on Medicaid and the Uninsured and PerryUndem Research and Communication conducted focus groups in Baltimore, Maryland and Reno, Nevada in November 2013 with low- and moderate-income individuals who recently applied for health insurance and consumer assisters trained to help individuals enroll. This study builds on previous work that examined preparations for open enrollment in several states, including Maryland and Nevada,…
The Role of Medicare Advantage – Slideshow Download View JAMA Infographic
This Visualizing Health Policy infographic provides a snapshot of the role of Medicare Advantage plans, an alternative to traditional Medicare, including information about the proportion of Medicare beneficiaries who are enrolled in Medicare Advantage plans, geographic differences in Medicare Advantage penetration, the trend of increasing enrollment in Medicare Advantage plans, and the concentration of enrollment within a small number of firms and affiliates. It also shows the extent that Medicare has been paying more for…
Following enrollment gains since the Affordable Care Act, Medicaid and CHIP enrollment declined in 36 states, by 1.9 million nationwide, between December 2017 and July 2019.
In 2020, more than 22 million Medicare beneficiaries (34%) are enrolled in Medicare Advantage plans, which are mainly HMOs and PPOs offered by private insurers as an alternative to the traditional Medicare program. This data note provides an overview of the Medicare Advantage plans that will be available in 2020, including the variation in the number of plans available by county and plan type. The brief also examines the insurers entering the Medicare Advantage market…
While Medicare Advantage enrollment is highly concentrated among a small number of firms, UnitedHealthcare has seen the largest and fastest growing share of enrollees over the past decade. Learn more in this Chart of the Week.
This issue brief identifies key lessons learned from how four states (Missouri, Ohio, New Mexico, Rhode Island) are connecting people leaving the criminal justice system to Medicaid coverage and services, with a focus on medication-assisted treatment (MAT) and supports for people with opioid use disorder. It builds on previous briefs that assessed state efforts to connect people involved in the justice system to Medicaid coverage. It is based on interviews conducted in late 2018 and…
© 2026 KFF