Key Takeaways

  • Massachusetts has UNIQUE Medigap rules - uses Core, Supplement 1, and Supplement 1A plans
  • Massachusetts does NOT use the standard A-N Medigap plans like other states
  • Guaranteed issue rights apply with continuous open enrollment
  • Massachusetts provides stronger consumer protections for Medicare beneficiaries
  • Community rating is required - premiums cannot vary by age or health
Last updated: January 2026

Massachusetts Medicare Supplement (Medigap) Regulations

Massachusetts has unique Medicare Supplement regulations that differ significantly from other states. Instead of the standard A-N plans, Massachusetts uses its own system.

Massachusetts Medigap Plans

Massachusetts uses three standardized Medigap plans:

PlanBenefits
CoreBasic benefits covering Medicare coinsurance and hospital costs
Supplement 1Core benefits plus additional coverage
Supplement 1AMost comprehensive benefits available

IMPORTANT: Massachusetts does NOT use the standard Plans A through N like other states. This is frequently tested on the exam.

Community Rating

Massachusetts requires community rating for Medigap:

  • Premiums are the same for all ages
  • Cannot charge more based on health status
  • Cannot charge more based on claims history
  • This protects older and sicker individuals

Comparison to Other States

Other StatesMassachusetts
Attained-age rating allowedCommunity rating required
Premiums increase with ageSame premium for all ages
Plans A through NCore, Supplement 1, Supplement 1A

Continuous Open Enrollment

Massachusetts provides continuous open enrollment:

  • Can change Medigap plans at any time
  • No health questions or waiting periods
  • More consumer-friendly than other states
  • Guaranteed issue year-round

Guaranteed Issue Rights

Massachusetts provides extensive guaranteed issue protections:

When It Applies

  • Anytime - Massachusetts has continuous open enrollment
  • Can switch plans without health questions
  • No pre-existing condition exclusions
  • No waiting periods

Comparison to Federal Rules

Federal RuleMassachusetts Rule
6-month open enrollmentContinuous open enrollment
Health questions after open enrollmentNo health questions anytime
Pre-existing waiting periods possibleNo waiting periods

Benefits of Massachusetts System

Advantages of the Massachusetts Medigap system:

  1. Lower costs for older enrollees due to community rating
  2. Flexibility to change plans anytime
  3. No health underwriting ever
  4. Simpler plan choices with three options

Producer Knowledge Requirements

Producers selling Medigap in Massachusetts must understand:

  • The unique Core, Supplement 1, and Supplement 1A structure
  • Community rating requirements
  • Continuous open enrollment rules
  • How Massachusetts differs from other states

Exam Tip: Massachusetts Medigap rules are UNIQUE. Remember: Core, Supplement 1, Supplement 1A - NOT Plans A through N. Community rating means same premium for all ages.

Test Your Knowledge

What Medigap plans does Massachusetts offer?

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Test Your Knowledge

What rating method is required for Medigap in Massachusetts?

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B
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D