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Medicare Advantage 2010 Data Spotlight: Plan Enrollment Patterns and Trends

This data spotlight examines at enrollment trends in Medicare Advantage plans, including Health Maintenance Organizations (HMOs), Preferred Provider Organizations (PPOs) and Private Fee-for-Service (PFFS) plans. These plans are paid by the government to provide Medicare-covered benefits to those who choose to enroll in them.

As of March 2010, a record 11.1 million people – nearly one in four of all Medicare beneficiaries – were enrolled in private Medicare Advantage plans, up from 10.5 million in March 2009. The gain in enrollment occurred even though the total number of Medicare Advantage plans declined between 2009 and 2010. Notably, while most Medicare beneficiaries have dozens of private Medicare Advantage plans available in their community, enrollment is highly concentrated among a small number of firms in nearly all states.

This spotlight is one in a series looking at the 2010 Medicare Advantage plan options and trends around the Medicare Advantage plan. These spotlights were prepared by a team of researchers at Mathematica Policy Research Inc. and the Kaiser Family Foundation.

Data Spotlight (.pdf)