This tool was designed by MCUSA to allow the user to compare Medicare Advantage enrollment by County.*
Please bookmark this webpage so you can access as needed.

For directions on how to use the MAP tool, click here


Enrolled refers to Medicare Advantage enrollments
Eligibles refers to the total Medicare eligible population
MA% refers to percentage of Medicare Advantage enrollments compared to total Medicare eligible population


Data for US territories are not included.
All different types of Regional PPO, HCPP – 1833 Cost, SNP, etc… are grouped by the main plan types of HMO, PFFS, and PPO plans based on analyst’s decision.


All years data are from the April Medicare Advantage / Part D Contract and Enrollment data files published by

Last Updated 4/28/2020

For any inquiries or to report any issues, send an email to:

*Report compiled using CMS Medicare Advantage Contract and Enrollment Data.  For internal use of our current and future health care clients only and not to be used for public dissemination.


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