Key Takeaways

  • Maryland requires a 6-month open enrollment period for Medicare Supplement starting at age 65
  • Maryland provides continuous open enrollment for Medigap - can change plans anytime
  • Maryland prohibits pre-existing condition waiting periods during guaranteed issue
  • Medicare Supplement plans must be standardized (Plans A through N)
  • Community rating is required - premiums cannot vary by age or health
Last updated: January 2026

Maryland Medicare Supplement (Medigap) Regulations

Maryland provides strong protections for Medicare beneficiaries purchasing Medicare Supplement (Medigap) insurance, including continuous open enrollment and community rating.

Open Enrollment Period

Maryland 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 any Medigap plan A through N

Exam Tip: The 6-month open enrollment period is when guaranteed issue is automatically available to all eligible persons.

Continuous Open Enrollment

Maryland provides continuous open enrollment:

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

Comparison to Other States

Other StatesMaryland
Limited open enrollmentContinuous open enrollment
Health questions after initial periodNo health questions anytime
Pre-existing waiting possibleNo waiting periods

Guaranteed Issue Rights

Beyond open enrollment, Maryland provides extensive guaranteed issue protections:

Triggering Events

EventGuaranteed Issue Right
Losing employer coverageCan purchase Medigap within 63 days
Leaving Medicare AdvantageCan return to Medigap within 63 days
Medicare Advantage plan leaves areaCan purchase Medigap
Medigap insurer becomes insolventCan switch to comparable plan

Standardized Plans

Maryland requires Medigap plans to be standardized:

Available Plans

PlanBenefits
Plan ABasic benefits only
Plan BBasic + Part A deductible
Plan CComprehensive (pre-2020 only)
Plan DSimilar to C, no Part B excess
Plan FMost comprehensive (pre-2020 only)
Plan GLike F without Part B deductible
Plan K50% cost sharing, out-of-pocket max
Plan L75% cost sharing, out-of-pocket max
Plan M50% Part A deductible
Plan NCost sharing, copays for visits

Note: Plans C and F are only available to those eligible for Medicare before January 1, 2020.

Community Rating

Maryland 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 StatesMaryland
Attained-age rating allowedCommunity rating required
Premiums increase with ageSame premium for all ages
Higher rates for older enrolleesEqual rates regardless of age

Pre-Existing Condition Rules

Maryland's rules during continuous enrollment:

SituationPre-Existing Waiting Period
Open EnrollmentNo waiting period
Continuous enrollment (anytime)No waiting period
Guaranteed Issue eventsNo waiting period

Exam Tip: Maryland is one of few states with continuous open enrollment and community rating for Medigap. This is frequently tested.

Test Your Knowledge

Can Maryland residents change their Medigap plan at any time?

A
B
C
D
Test Your Knowledge

What rating method is required for Medigap in Maryland?

A
B
C
D