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F.45.2 Medicare Planning

Key Takeaways

  • Part A (hospital): $1,736 deductible per benefit period in 2026; most pay no premium if they have 40+ work credits

  • Part B (outpatient): $202.90/month standard premium in 2026; $283 annual deductible; covers 80% of approved services

  • Part C (Medicare Advantage): Private plans combining Parts A, B, and usually D; 2026 average premium about $14/month (CMS estimate); out-of-pocket maximum $9,250 in-network (2026 limit)

  • Part D (prescription drugs): Private plans with 2026 national base premium $38.99; income-related surcharges (IRMAA) apply

  • IRMAA thresholds for 2026: $109,000 single/$218,000 married (2024 income); Part B surcharges range from $81.20 to $487.00

Last updated: October 2026

Medicare Planning

Medicare is the federal health insurance program for individuals age 65 and older, as well as certain younger individuals with disabilities. Understanding the four parts of Medicare, enrollment periods, and coordination with other coverage is essential for retirement planning.

The Four Parts of Medicare

Part A: Hospital Insurance

Medicare Part A covers inpatient hospital care, skilled nursing facility care, hospice care, and some home health services.

2026 Part A Costs:

CoverageCost
Part A Premium$0 for most (with 40+ work credits); up to $565/month otherwise
Hospital Deductible$1,736 per benefit period
Days 1-60 (hospital)$0 after deductible
Days 61-90 (hospital)$434/day coinsurance
Lifetime Reserve Days (91+)$868/day coinsurance
Skilled Nursing Facility (Days 21-100)$217.00/day coinsurance

Key Terms:

  • Benefit period - Begins when admitted to hospital/SNF; ends after 60 consecutive days without inpatient care
  • Lifetime reserve days - 60 additional hospital days available over your lifetime (non-renewable)

Part B: Medical Insurance

Medicare Part B covers outpatient services including doctor visits, preventive care, durable medical equipment, and outpatient procedures.

2026 Part B Costs:

Item2026 Amount
Standard Monthly Premium$202.90
Annual Deductible$283
Coinsurance20% of Medicare-approved amount

What Part B Covers:

  • Physician services
  • Outpatient hospital care
  • Preventive services (many at no cost)
  • Ambulance services
  • Durable medical equipment
  • Mental health services
  • Lab tests and diagnostic imaging

Part C: Medicare Advantage

Medicare Advantage (Part C) plans are offered by private insurers approved by Medicare. They provide all Part A and Part B benefits, and most include Part D prescription drug coverage.

Part C Characteristics:

FeatureDetails
Average Monthly PremiumAbout $14.00 (2026 CMS estimate)
Out-of-Pocket Maximum (In-Network)$9,250 (2026 limit)
Out-of-Pocket Maximum (Combined)$13,900 (2026 limit)
Plan TypesHMO, PPO, PFFS, SNP

Part C vs. Original Medicare:

FactorOriginal MedicareMedicare Advantage
NetworkAny Medicare-accepting providerUsually limited network (except PPO)
Out-of-Pocket MaximumNoneRequired by law
MedigapCan purchaseCannot purchase
PremiumsPart B premium + MedigapPart B premium + plan premium
Drug CoverageSeparate Part D planUsually included
Prior AuthorizationRarely requiredOften required

Part D: Prescription Drug Coverage

Medicare Part D provides prescription drug coverage through private plans. It is optional but highly recommended.

2026 Part D Features:

Feature2026 Amount
National Base Beneficiary Premium$38.99
Average PremiumVaries by plan (CMS projected $34.50/month for stand-alone plans)
Standard Initial Deductible$615
Out-of-Pocket Maximum$2,100 (IRA cap, indexed)

Part D Coverage Phases (2026 - Post-Inflation Reduction Act):

  1. Deductible Phase - Pay full cost up to $615
  2. Initial Coverage Phase - Pay copays/coinsurance until reaching out-of-pocket maximum
  3. Catastrophic Coverage - Pay $0 after reaching $2,100 out-of-pocket maximum

Important: The Inflation Reduction Act eliminated the "donut hole" coverage gap starting in 2025 and capped annual out-of-pocket costs at $2,000 (indexed annually; $2,100 for 2026).

IRMAA: Income-Related Monthly Adjustment Amount

High-income Medicare beneficiaries pay additional premiums called IRMAA for Part B and Part D coverage. IRMAA is based on modified adjusted gross income (MAGI) from two years prior.

2026 IRMAA Brackets (Based on 2024 Income)

Single Filer MAGIMarried Filing Jointly MAGIPart B Total PremiumPart D Surcharge
Up to $109,000Up to $218,000$202.90$0
$109,001 - $137,000$218,001 - $274,000$284.10$14.50
$137,001 - $171,000$274,001 - $342,000$405.80$37.50
$171,001 - $205,000$342,001 - $410,000$527.50$60.40
$205,001 - $499,999$410,001 - $749,999$649.20$83.30
$500,000 and above$750,000 and above$689.90$91.00

IRMAA Planning Strategies:

  • Roth conversions before Medicare enrollment to manage future MAGI
  • Life-changing events (retirement, death of spouse, divorce) may qualify for IRMAA appeal
  • Careful timing of capital gains and IRA distributions

Medigap (Medicare Supplement) Policies

Medigap policies are sold by private insurers to cover cost-sharing gaps in Original Medicare (Parts A and B). They are NOT available with Medicare Advantage.

Popular Medigap Plans

PlanPart A DeductiblePart B Excess ChargesForeign TravelPart B Deductible
Plan ANoNoNoNo
Plan F*YesYesYesYes
Plan GYesYesYesNo
Plan NYesNoYesNo

*Plan F is only available to those eligible for Medicare before January 1, 2020.

Plan G is the most comprehensive plan available to new enrollees (those eligible after 1/1/2020) and covers:

  • Part A deductible ($1,736 in 2026)
  • Part A hospital coinsurance
  • Part B coinsurance (20%)
  • Part B excess charges
  • First 3 pints of blood
  • Skilled nursing facility coinsurance
  • Foreign travel emergency care (up to $50,000)

Plan G does NOT cover:

  • Part B deductible ($283 in 2026)
  • Prescription drugs (need separate Part D plan)

High-Deductible Medigap

High-deductible versions of Plan F (legacy) and Plan G have lower premiums but require paying a $2,950 deductible (2026) before coverage begins.

Enrollment Periods and Penalties

Initial Enrollment Period (IEP)

A 7-month window surrounding your 65th birthday:

  • 3 months before your birthday month
  • Your birthday month
  • 3 months after your birthday month

Coverage Start Dates:

When You EnrollCoverage Starts
3 months before birthdayFirst day of birthday month
During birthday monthFirst of following month
1-3 months after1-2 months after enrollment

Late Enrollment Penalties

Missing your initial enrollment period results in lifetime penalties:

Part B Late Enrollment Penalty:

  • 10% increase in premium for each 12-month period you could have had Part B but did not
  • Penalty is permanent and applies for as long as you have Part B

Part D Late Enrollment Penalty:

  • 1% of national base beneficiary premium ($38.99 in 2026) for each month without creditable coverage after initial eligibility
  • Penalty is permanent

Example: If you delay Part D enrollment by 2 years (24 months):

  • Penalty = 24 x 1% x $38.99 = $9.36, rounded to $9.40/month (2026), added to your Part D premium for life

Special Enrollment Period (SEP)

If you have employer coverage (through your or spouse's current employment), you can delay Medicare enrollment without penalty. After coverage ends, you have an 8-month SEP to enroll in Part B and Part D.

General Enrollment Period

If you miss your IEP and do not qualify for an SEP:

  • Enroll January 1 - March 31
  • Coverage begins July 1
  • Late enrollment penalties apply

Coordination with Employer Coverage

Employer SizePrimary CoverageSecondary Coverage
Fewer than 20 employeesMedicareEmployer plan
20 or more employeesEmployer planMedicare

With employer coverage from a large employer (20+):

  • May delay Part B enrollment without penalty
  • Should enroll in premium-free Part A
  • Use SEP to enroll in Part B when coverage ends

CFP Exam Considerations

For the CFP exam, focus on:

  • Memorizing Part A deductible ($1,736) and Part B premium ($202.90)/deductible ($283) for 2026
  • Understanding IRMAA brackets and the 2-year lookback period
  • Knowing Medigap Plan G is most comprehensive for new enrollees
  • Calculating late enrollment penalties
  • Understanding coordination between Medicare and employer coverage
Test Your Knowledge

A client with 2024 MAGI of $220,000 (married filing jointly) is enrolling in Medicare Part B for 2026. What will her total monthly Part B premium be?

A

$202.90

B

$284.10

C

$405.80

D

$527.50

Test Your Knowledge

Which of the following statements about Medigap policies is CORRECT?

A

Medigap Plan G covers the Part B deductible and prescription drugs

B

Medigap policies can be purchased with either Original Medicare or Medicare Advantage

C

Medigap Plan G covers the Part A deductible but not the Part B deductible

D

Medigap Plan F is available to anyone who enrolls in Medicare after January 1, 2020

Test Your Knowledge

A retiree delayed Medicare Part D enrollment for 30 months after becoming eligible, having no other creditable prescription drug coverage. What is his monthly late enrollment penalty in 2026?

A

$3.90

B

$11.70

C

$38.99

D

$116.97

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