Key Takeaways

  • Wisconsin has UNIQUE Medicare Supplement plans different from federal standardized plans
  • Wisconsin offers only two Medigap plans: Basic Plan and High Deductible Plan
  • Six-month open enrollment period at age 65 with Part B enrollment
  • Wisconsin provides additional protections for Medicare beneficiaries
Last updated: January 2026

Wisconsin Medicare Supplement Regulations

Wisconsin has UNIQUE Medicare Supplement (Medigap) regulations that differ significantly from other states.

Wisconsin's Unique System

IMPORTANT: Wisconsin does NOT use the standard federal Medigap plans (A through N). Instead, Wisconsin has its own system:

Wisconsin Medigap Plans

PlanDescription
Basic PlanComprehensive coverage with cost sharing
High Deductible PlanLower premium with $2,700 annual deductible

Exam Tip: Wisconsin is one of only three states (along with Massachusetts and Minnesota) with its own unique Medigap standardization.

Open Enrollment Period

Wisconsin provides a 6-month open enrollment period for Medicare Supplement:

When It Begins

The 6-month period starts:

  • First day of the month you are 65 or older AND
  • Enrolled in Medicare Part B

Protections During Open Enrollment

  • Guaranteed issue - Must be accepted regardless of health
  • No pre-existing condition exclusions
  • Standard rates - Cannot be charged more for health conditions
  • Any plan available - Can choose either Wisconsin Medigap plan

Wisconsin Basic Plan Benefits

The Wisconsin Basic Plan covers:

  • Medicare Part A coinsurance (hospital days 61-90 and 91-150)
  • Part B coinsurance or copayment
  • First 3 pints of blood
  • Part A hospice coinsurance
  • Skilled nursing facility coinsurance (days 21-100)
  • Part A deductible (50% or 100% depending on rider)
  • Part B deductible (optional rider)
  • Part B excess charges (optional rider)
  • Foreign travel emergency (optional rider)
Test Your Knowledge

How many standardized Medicare Supplement plans does Wisconsin offer?

A
B
C
D
Test Your Knowledge

How long is the Medicare Supplement open enrollment period in Wisconsin?

A
B
C
D