How we build these plan pages CY2027
What we show
Every Medicare Advantage, Medicare Cost and Part D drug plan filed with CMS for 2027, in every county where CMS lists it. We do not rank or recommend plans. Lists are sorted by premium, then by the most you pay in a year, unless you choose another order.
Where the data comes from
- CMS CY2027 Landscape Source File, November 2026 release (202611)
- CMS CY2027 plan benefit files and the Medicare Plan Finder benefit summary file dated October 15, 2026
- 2027 Star Ratings data tables dated October 8, 2026
- Summary of Benefits files collected from plan company websites, October 28 to November 11, 2026
Plan costs on these pages come from CMS files. Benefit details come from each plan's own Summary of Benefits, a document from the plan company. We do not write our own descriptions of plan benefits.
ZIP codes are matched to counties with the U.S. Census Bureau 2020 ZIP Code Tabulation Area to county relationship file. When a ZIP code covers more than one county, we ask you to choose yours.
What we do not have
Some plans do not yet have a 2027 Summary of Benefits on file with us. Those pages say so. We do not estimate drug costs.
Report a mistake
Call 1-866-340-3441. Tell us the plan ID and what looks wrong.