Medicare Health and Prescription Drug Plan Tracker
From The Kaiser Family Foundation:
The data and information available on the Medicare Health and Prescription Drug Plan Tracker website are based on analysis by Mathematica Policy Research, Inc. of publicly available data files from the Centers for Medicare & Medicaid Services (CMS).
Data are available nationally and by state, county, Medicare Advantage region, Prescription Drug Plan region and metropolitan statistical area for select indicators.
Geographic Service Area Report -- This file provides information on the enrollment in each Medicare managed care contract at the county level.
Market Penetration, Quarterly State/County Data File -- This file provides information on the number of Medicare beneficiaries eligible to enroll in a Medicare managed care plan for each county in the United States.
These data use the second payment rates (i.e. the rates that took effect after the legislation occurred) for all calculations in those years.
Each file provides information about Medicare+Choice/Medicare Advantage plans that did not renew their contracts to participate in the program during the contract renewal period in September.
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