Medicare for Early Retirees in Florida — What to Do Before 65

Q: What should I do at age 64 and 11 months to prepare for Medicare?

At 64 and 11 months you should: (1) enroll in Medicare Part A and Part B during your Initial Enrollment Period (which opens 3 months before your 65th birthday); (2) stop HSA contributions if you have not already done so (6-month lookback applies); (3) compare Medicare Advantage vs. Original Medicare + Medigap supplement options; (4) arrange cancellation of your ACA marketplace plan effective the date Medicare begins; (5) review drug formularies for your current prescriptions to select appropriate Part D or Medicare Advantage coverage.

By the Florida Plan Finder Team · Licensed Florida Health Insurance Producer · NPN #21249133 · Last Updated: May 4, 2026

Key Takeaways

Medicare eligibility begins at 65 for most people — there is no Medicare for early retirees (except SSDI recipients after 24 months, ALS, or ESRD).
ACA marketplace plans are the best coverage gap solution for most Florida early retirees ages 55–64, especially with managed income for subsidy eligibility.
COBRA is an expensive short-term bridge — generally limited to 18 months and priced at full actuarial cost plus 2% administrative fee.
Roth conversions and withdrawal sequencing can help keep MAGI in subsidy-eligible ranges during the pre-Medicare years.
Stop HSA contributions 6 months before Medicare Part A begins to avoid tax penalties from the backdating lookback rule.
IRMAA surcharges on Medicare premiums are triggered by income 2 years prior — high-income working years can elevate your Medicare costs in early retirement.

Florida is one of the most popular retirement destinations in the country, and a growing number of Floridians are leaving the workforce well before age 65. Whether you are retiring at 55, 60, or 63, there is one universal reality: Medicare does not start until age 65 for most people. The years between early retirement and Medicare eligibility represent one of the most important — and potentially most expensive — health insurance planning periods of your life.

This guide is designed for Florida residents who are retired or planning to retire before 65, and who need a clear-eyed understanding of their coverage options, subsidy strategies, and the critical steps to take as they approach Medicare eligibility.

In This Guide

Medicare Eligibility: The 65 Rule and Exceptions
Coverage Gap Options for Ages 55–64
ACA Marketplace and Income Management
COBRA as a Short-Term Bridge
HSA Strategy Before Medicare
IRMAA: High Income in Prior Years
The Near-65 Planning Checklist
Frequently Asked Questions

Medicare Eligibility: The 65 Rule and Its Exceptions

Standard Medicare eligibility requires you to be age 65 or older and a U.S. citizen or legal permanent resident who has lived in the U.S. for at least 5 years. If you or your spouse worked and paid Medicare taxes for at least 10 years (40 quarters), you qualify for premium-free Part A.

The exceptions that allow Medicare before 65 are narrow:

Social Security Disability Insurance (SSDI): If you have been receiving SSDI for 24 consecutive months, Medicare coverage begins automatically in your 25th month of SSDI receipt. Waiting 24 months is mandatory — there is no way to accelerate this timeline.
ALS (Lou Gehrig's Disease): Medicare begins the same month SSDI benefits start — the 24-month waiting period is waived.
End-Stage Renal Disease (ESRD): Individuals with permanent kidney failure requiring dialysis or a transplant qualify for Medicare regardless of age, generally starting 3 months after dialysis begins.

If you do not meet one of these exceptions, you will need private coverage from the time you leave employer coverage until the month your Medicare begins at 65.

Coverage Gap Options for Florida Early Retirees Ages 55–64

Early retirees in Florida have several health insurance options before Medicare eligibility. Here is a realistic comparison:

Option	Duration Available	Typical Cost	Best For
ACA Marketplace Plan	Annual; renewable until 65	$0–$800+/month after APTC subsidies	Most early retirees with manageable income
COBRA	Up to 18 months (36 for disability)	$500–$1,800+/month (full premium + 2%)	Short-term bridge; preserving existing providers
Retiree Health Benefits (Employer)	Until Medicare or employer ends benefit	Varies — often subsidized	Those with former employer coverage; increasingly rare
Spouse's Employer Plan	While spouse is employed	Dependent premium cost	Early retirees with a still-working spouse
Florida Medicaid	While eligible	$0 or minimal cost-sharing	Very low-income early retirees only

ACA Marketplace Is Usually the Best Answer For most Florida early retirees, an ACA marketplace plan with Premium Tax Credits is the optimal pre-Medicare coverage solution. Florida's ACA market is robust, and the subsidy structure rewards retirees who manage their income carefully. The key is understanding how your portfolio income affects your Modified Adjusted Gross Income (MAGI) and, therefore, your subsidy eligibility.

ACA Marketplace Strategy: Managing Income for Maximum Subsidies

ACA Premium Tax Credits (APTC) are calculated based on your household's Modified Adjusted Gross Income (MAGI) as a percentage of the Federal Poverty Level (FPL). Early retirees who have left salaried income behind often have more control over their reported income than working individuals — and this control can translate into substantial premium savings.

What Counts as MAGI for ACA Subsidies

MAGI for ACA purposes includes: wages, self-employment income, Social Security benefits (taxable portion), pension and annuity income, IRA and 401(k) distributions, capital gains, dividends, interest, and rental income. It does not include Roth IRA distributions from qualified accounts (assuming the account is more than 5 years old and you are over 59½).

The Roth Conversion Opportunity Window

Early retirees in Florida who have significant traditional IRA or 401(k) balances face a strategic choice: the years between retirement and Medicare are an ideal window for Roth conversions at potentially lower tax rates — but each dollar converted adds to MAGI and can reduce or eliminate ACA subsidy eligibility.

Converting too much in a single year can push you over subsidy cliffs (e.g., 100% FPL for Medicaid eligibility, 138% for enhanced Medicaid, 400% for APTC phase-out)
Spreading conversions over multiple years smooths the tax and subsidy impact
Roth conversions made before Medicare begins will not count as income during Medicare years — but the amounts may establish a higher IRMAA base if they occurred 2 years before Medicare starts

Income Management Requires Professional Guidance ACA subsidy optimization is a complex interplay of tax planning, retirement income sequencing, and healthcare cost modeling. A financial planner who specializes in early retirement — or a licensed insurance agent who understands the ACA — can help you model the optimal income level for your pre-Medicare years.

COBRA as a Short-Term Bridge: Costs and Limits

When you leave an employer, COBRA allows you to continue the same group health plan you had as an employee for up to 18 months. The catch: you pay the full premium — both the employee and employer share — plus a 2% administrative fee. For families, this can easily exceed $1,500–$2,000 per month.

COBRA makes sense as a short-term bridge in specific scenarios:

You are within 18 months of age 65 and retiring — COBRA can bridge you cleanly to Medicare
You have a complex ongoing medical situation (surgery scheduled, active treatment) and switching providers mid-year would be disruptive
You want to maintain access to a specific specialist or hospital that is not in your local ACA network options

For early retirees who are 10 or more years from Medicare, COBRA is almost never the right long-term answer. ACA marketplace plans with subsidies will typically be significantly less expensive once Roth-friendly income management is applied.

COBRA Election Window Is Only 60 Days After leaving your employer, you have just 60 days to elect COBRA coverage. If you miss this window, you cannot elect COBRA retroactively and will have a gap in coverage. Even if you are leaning toward a marketplace plan, consider electing COBRA as a backup and then canceling if you find a better marketplace option — you can always drop COBRA during the election period.

HSA Strategy in the Years Before Medicare

Health Savings Accounts are a powerful wealth-building tool for Florida early retirees who are enrolled in a High-Deductible Health Plan (HDHP) through the ACA marketplace or another qualifying source. The triple tax benefit — deductible contributions, tax-free growth, and tax-free qualified withdrawals — makes HSAs one of the most efficient savings vehicles available before Medicare.

Key HSA rules for early retirees approaching Medicare:

Maximize contributions while eligible: For 2026, the HSA contribution limit is $4,150 for individual coverage and $8,300 for family coverage, plus a $1,000 catch-up contribution if you are 55 or older. Every year before Medicare is an opportunity to build a tax-advantaged reserve for future medical costs.
Stop contributions 6 months before Medicare Part A: Medicare Part A can be backdated up to 6 months. Contributing to an HSA during a retroactively Medicare-covered period creates a tax penalty. If your Medicare begins January 1 when you turn 65, stop contributions by July 1 of your prior year.
HSA funds remain yours after Medicare enrollment: You cannot add new contributions after Medicare enrollment, but existing HSA funds can be spent tax-free on qualified medical expenses indefinitely — including Medicare premiums (Part B, Part D, and Medicare Advantage premiums), dental, vision, and long-term care insurance premiums up to IRS limits.

IRMAA: High-Income Working Years Can Raise Your Medicare Premiums

IRMAA (Income-Related Monthly Adjustment Amount) is a surcharge applied to Medicare Part B and Part D premiums for beneficiaries with higher incomes. The IRMAA calculation uses your tax return from 2 years prior — meaning high income in your final working years can elevate your Medicare premiums for the first year or two after you retire.

2026 MAGI (Individual)	2026 MAGI (Joint)	Part B Monthly Premium	IRMAA Surcharge
≤ $106,000	≤ $212,000	Standard (~$185)	None
$106,001–$133,000	$212,001–$266,000	~$259	+$74/month
$133,001–$167,000	$266,001–$334,000	~$370	+$185/month
$167,001–$200,000	$334,001–$400,000	~$480	+$295/month
> $500,000	> $750,000	~$628	+$443/month

You Can Appeal IRMAA With a Life-Changing Event If your income dropped significantly in the year you retired — and the IRMAA calculation is using your high-income working year — you can appeal using SSA Form SSA-44. A documented life-changing event such as retirement triggers a recalculation based on your current (lower) income.

The Near-65 Planning Checklist for Florida Early Retirees

As you approach your 65th birthday, here is a month-by-month action checklist:

Timing	Action
Age 64 and 6 months	Stop HSA contributions to clear the 6-month Medicare backdating window
Age 64 and 9 months	Your Medicare Initial Enrollment Period (IEP) opens — 3 months before your 65th birthday month. Enroll in Part A and Part B now to avoid any gap.
Age 64 and 11 months	Compare Medicare Advantage vs. Original Medicare + Medigap supplement. Contact a licensed agent for a side-by-side comparison.
Month of 65th birthday	Medicare Part A and Part B become effective (if enrolled in the 3 months prior). Cancel ACA marketplace plan effective this month.
After Medicare starts	Enroll in Part D drug plan or Medicare Advantage with drug coverage (MA-PD). Set up Medigap supplement if choosing Original Medicare.
First Medicare year	File SSA-44 if IRMAA was calculated on a high-income working year — appeal for income reduction due to retirement life-changing event.

Florida Medicare Savings Programs (MSPs) are available for lower-income near-65 residents: the Qualified Medicare Beneficiary (QMB) program, Specified Low-Income Medicare Beneficiary (SLMB), and Qualifying Individual (QI) programs can help cover Part B premiums and cost-sharing for those who qualify. Contact the Florida Department of Children and Families or a licensed agent to check eligibility.

For additional Medicare guidance, visit the Florida Plan Finder Medicare Guide. If you are still in the pre-Medicare years and need ACA marketplace guidance, Sun State Coverage and Get Florida Coverage are additional resources serving Florida residents.

Talk to a Licensed Florida Medicare Agent — Free

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Frequently Asked Questions

Can I get Medicare before 65 if I retire early in Florida?

Generally, no. Medicare eligibility begins at 65 for most people. The main exception is disability — if you have been receiving Social Security Disability Insurance (SSDI) for 24 consecutive months, you qualify for Medicare regardless of age. Some ALS (Lou Gehrig's disease) patients are eligible immediately upon SSDI approval, and end-stage renal disease (ESRD) patients qualify regardless of age. All other early retirees must find private coverage until their 65th birthday.

What health insurance options are available for Florida early retirees ages 55–64?

Florida early retirees between 55 and 64 have several options: (1) ACA marketplace plans on healthcare.gov — often the best value for early retirees who can manage their income for subsidy eligibility; (2) COBRA continuation from a former employer for up to 18 months at full premium cost; (3) retiree health benefits from a former employer if offered (increasingly rare); (4) a spouse's employer plan if applicable; (5) Florida Medicaid for very low-income individuals. For most early retirees, an ACA marketplace plan with APTC subsidies is the most cost-effective solution over the multi-year coverage gap.

How can I manage income to maximize ACA subsidies as a Florida early retiree?

ACA Premium Tax Credits (APTC) are based on Modified Adjusted Gross Income (MAGI). Early retirees with portfolio income — dividends, capital gains, IRA withdrawals — can often control their MAGI through Roth conversions, strategic timing of IRA withdrawals, and managing capital gains realization to stay within subsidy-eligible income bands. Roth IRA distributions from qualified accounts do not count as MAGI, making Roth-heavy portfolios especially valuable for subsidy management. A financial planner or licensed insurance agent familiar with ACA income management can help you model the optimal withdrawal strategy for each year.

What is IRMAA and how does it affect Florida Medicare retirees?

IRMAA (Income-Related Monthly Adjustment Amount) is a surcharge added to your Medicare Part B and Part D premiums if your income exceeds certain thresholds. IRMAA is based on your tax return from 2 years prior. For 2026, IRMAA applies to individuals with MAGI above approximately $106,000. Early retirees who did a large Roth conversion or had high income in their final working years may face IRMAA surcharges in their first year or two on Medicare — even if their current retirement income is modest. You can appeal IRMAA using SSA Form SSA-44 if retirement caused a significant income reduction.

What should I do at age 64 and 11 months to prepare for Medicare?

At 64 and 11 months you should: (1) confirm your Medicare Part A and Part B enrollment is in process — your Initial Enrollment Period opened at 64 and 9 months; (2) stop HSA contributions if you have not already done so (6-month lookback from Part A start date applies); (3) compare Medicare Advantage versus Original Medicare plus a Medigap supplement — your open Medigap enrollment period is tied to Part B enrollment and lasts 6 months; (4) arrange cancellation of your ACA marketplace plan effective the date Medicare begins; (5) review drug formularies to choose appropriate Part D or Medicare Advantage drug coverage for your current prescriptions. A licensed Medicare agent can walk through all of these steps with you at no charge.