Most Medicare Advantage Markets are Dominated by One or Two Insurers
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        Description
        Examines the competitiveness of Medicare Advantage (MA) markets at the county level. Explores how often one or two Medicare Advantage insurers enrolled at least half of all enrollees within a county. Compares data on the share of counties in very concentrated MA markets across urban, rural adjacent, and rural non-adjacent counties.
    Author(s)
            Nicole Zhu, Jeannie Fuglesten Biniek, Nolan Sroczynski, Tricia Neuman
        Date
            07/2025
        Organization
            KFF
        Tagged as
                                    Access
                 ·                          County-by-county data
                 ·                          Health insurance
                 ·                          Healthcare business and finance
                 ·                          Medicare
                 ·                          Rural-urban differences
                 ·                          Statistics and data
                     
        