to the Kaiser Family Foundation's online resource about private plans participating in the
Medicare Advantage program and the Medicare prescription drug program,
developed in conjunction with Mathematica Policy Research, Inc.
Learn more about the data.

Prescription Drug Plan Participation: by state
Medicare Advantage Contracts: by state
Enrollment in Medicare Private Plans, Jan 2009Total Enrollment in Part D Plans:26 million
Number in Stand-Alone Drug Plans: 17.4 millionNumber in MA Drug Plans:8.6 millionTotal Enrollment in MA and Other Prepaid Contracts: 10.3 million
Local HMO plans: 6.5 millionPrivate Fee-for-Service plans:2.3 millionLocal PPO plans: 849,044Regional PPO plans: 328,109Cost contracts: 283,160Demos: 4,516MSAs: 1,866