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