Key Takeaways

  • Alaska requires a 6-month open enrollment period for Medicare Supplement starting at age 65
  • Alaska does NOT have a Birthday Rule like California
  • Guaranteed issue rights apply when losing other coverage or during open enrollment
  • Medicare Supplement plans must be standardized (Plans A through N)
  • Pre-existing condition waiting periods are limited during open enrollment
Last updated: January 2026

Alaska Medicare Supplement (Medigap) Regulations

Alaska follows federal Medicare Supplement standards with state-specific consumer protections.

Open Enrollment Period

Alaska 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 during this period
  • Standard rates - Cannot be charged more for health conditions
  • Any plan available - Can choose any Medigap plan A through N

No Birthday Rule

Important: Unlike California and a few other states, Alaska does NOT have a Birthday Rule. Outside of open enrollment or guaranteed issue situations, insurers may use health underwriting.

What This Means

SituationAlaska Rule
Initial Enrollment (65 + Part B)Guaranteed issue
Annual changesSubject to underwriting
Losing coverageGuaranteed issue rights
Switching plansMay require medical underwriting

Guaranteed Issue Rights

Beyond open enrollment, Alaska provides guaranteed issue rights in specific situations:

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
Losing MedicaidCan purchase Medigap

Trial Right

If you leave Medigap for Medicare Advantage:

  • Have 12 months to decide
  • Can return to previous Medigap plan
  • Or any plan from same insurer with equal or lesser benefits
  • Guaranteed issue, no health questions

Standardized Plans

Alaska requires Medigap plans to be standardized per federal requirements:

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.

Rate Regulation

Alaska allows various rating methods:

  • Attained age rating permitted (premiums increase with age)
  • Issue age rating also permitted
  • Community rating - some insurers offer this
  • Rate increases must be filed with the Division of Insurance

Pre-Existing Conditions

During Open Enrollment

  • No pre-existing condition waiting periods
  • Must accept all applicants
  • Standard rates apply

Outside Open Enrollment

  • May impose up to 6-month waiting period
  • Only for conditions treated within 6 months before effective date
  • Credit given for prior creditable coverage
Test Your Knowledge

Does Alaska have a Birthday Rule for Medicare Supplement like California?

A
B
C
D
Test Your Knowledge

How long is the open enrollment period for Medicare Supplement in Alaska?

A
B
C
D