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Wisconsin

Medicare plans in Jefferson County

2026 plan year. 46 Medicare plans available — 43 Medicare Advantage, 0 Part D, 3 Medigap, 11 D-SNP. Sourced from the CMS March 2026 Landscape file.

Carriers serving this county
10
3 Wisconsin-based
Average MA premium
$61/mo
18 plans at $0/mo
Top CMS Star rating
4.5 ★
Updated annually by CMS
Plan-count rank in WI
#28
of 73 counties

Top carriers in Jefferson County

  • UnitedHealthcare
    13 plans
  • Humana
    11 plans
  • Anthem Blue Cross and Blue Shield
    5 plans
  • Dean Advantage
    5 plans
  • Wellcare
    3 plans

Top-rated plans

Highest CMS Star ratings in Jefferson County. Tap for full plan detail.

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