Key Takeaways

  • Alabama requires a 6-month open enrollment period for Medicare Supplement starting at age 65
  • Alabama does NOT have a Birthday Rule like California
  • ALDOI regulates Medicare Supplement rates (exception to non-regulation of health rates)
  • Medicare Supplement plans must be standardized (Plans A through N)
  • Guaranteed issue rights apply in specific situations
Last updated: January 2026

Alabama Medicare Supplement (Medigap) Regulations

Alabama follows federal Medicare Supplement standards with state-specific rate regulation by ALDOI.

Open Enrollment Period

Alabama 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, Alabama does NOT have a Birthday Rule. Outside of open enrollment or guaranteed issue situations, insurers may use health underwriting.

Rate Regulation

Unlike most health insurance, ALDOI does regulate Medicare Supplement rates:

  • Rate increases must be filed with ALDOI
  • Rates are reviewed for reasonableness
  • This is an exception to the general non-regulation of health rates
  • Provides additional consumer protection for seniors

Standardized Plans

Alabama requires Medigap plans to be standardized per federal requirements:

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.

Guaranteed Issue Rights

Beyond open enrollment, Alabama 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

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 Alabama have a Birthday Rule for Medicare Supplement like California?

A
B
C
D
Test Your Knowledge

Does ALDOI regulate Medicare Supplement rates?

A
B
C
D