How to Cover Health Insurance Before Medicare: The Early Retirees Guide to ACA Subsidies and HSA Arbitrage
- Zain Ali Yaqoob
- 5 hours ago
- 7 min read
TL;DR
Navigating health insurance before Medicare poses a major hurdle for early retirement. You can attempt to manage your Modified Adjusted Gross Income to stay under the Affordable Care Act subsidy cliff. You may use the new Bronze plan Health Savings Account rules to seek Premium Tax Credits. This approach is designed to help you turn a large healthcare liability into a more manageable expense.
The Pre-Medicare Gap: Why Your Work-Optional Dream Needs a Healthcare Reality Check
A 55-year-old executive hits the work-optional milestone. They assume their cash savings and a standard ACA plan will bridge the gap to Medicare at age 65. They sit on a beach feeling a profound sense of peace while they think they have their financial future figured out.
Then a sudden tax event changes the picture.
Their taxable income shoots past their initial projections. They fail to manage their Modified Adjusted Gross Income. They lose their eligibility for Affordable Care Act subsidies. They open a letter demanding a premium of over two thousand dollars every single month.
That initial peace of mind often shatters when faced with unexpected costs. The fear of outliving your savings keeps you awake at night. The roller coaster nature of the stock market, combined with a new fixed healthcare cost, creates a constant state of anxiety. You feel frustrated thinking about the money you might lose due to poor tax planning.
High-income professionals face one massive and unpredictable expense in early retirement. Healthcare stands at the top of the list. You lose the safety net of an employer plan and face the open market. You can attempt to engineer your income to stay under critical tax thresholds. You do this to try to maintain access to crucial subsidies and keep your retirement strategy intact. We will walk through how this process works.
(Please note this is a hypothetical scenario designed to illustrate potential tax impacts. It does not represent a specific client experience or guarantee future results. All investment and tax strategies involve risk, including the potential loss of principal.)
What Are My Options for Health Insurance Before Turning 65
If you retire before 65, you generally have four primary options. You can use COBRA for the first stretch, join a spouse on their employer plan, buy private off-exchange plans, or use the ACA Marketplace.
If you're going the ACA route, you must operate within the Federal or State exchange to execute a subsidy strategy.
Many early retirees lean on COBRA to bridge the initial gap. COBRA allows you to stay on your former employer's plan for 18 months. You pay the full premium yourself, though. Your employer no longer covers their portion, and this path can drain your cash reserves fast.
Private off-exchange plans can look appealing on the surface. But these private plans disqualify you from receiving "premium tax credits" (PTCs). To receive PTCs, you must go through the ACA Marketplace for a healthcare plan.
You need to understand the ACA Marketplace to seek efficiency in your financial plan. The rules can be complex, and the health insurance markets change rapidly (new laws, etc). Plan availability and pricing fluctuate every year. You should review your options annually to ensure your coverage aligns with your needs.

How Do ACA Premium Tax Credits Actually Work
The Premium Tax Credit serves as a key aspect of early retirement healthcare planning. But the government does not hand out a fixed amount. The credit acts as a sliding scale variable. The IRS ties this credit directly to your Modified Adjusted Gross Income.
If you report less income, you potentially receive a larger subsidy. Each additional dollar of income you realize typically reduces your credit. Every financial move you make in early retirement impacts the cost of your health insurance. Whether you do a Roth conversion, execute a stock sale, or pull money from a retirement account, the IRS tracks this activity.
You want a predictable financial outcome to alleviate stress, but first, you need to understand this sliding scale to seek that control.
Tax rules and subsidy calculations are subject to change with new legislation. You should consult a qualified tax professional before making large income-generating moves.

What is the ACA Subsidy Cliff and How Do I Avoid It
The ACA Subsidy Cliff represents a hard income threshold at 400 percent of the Federal Poverty Level. If you cross this limit by one single dollar, you risk losing your entire federal subsidy. Your healthcare premiums can multiply overnight.
Crossing the 400 percent threshold creates massive financial exposure. We can look at a hypothetical case study of a 60-year-old couple in Austin. They have $82,000 in investment income. They keep their income under the cap and pay a monthly premium of roughly $600. They realize a few extra dollars of income and cross the cliff. Their premium spikes to over $2,000 per month!
(This is a hypothetical example for illustrative purposes only. Actual premiums vary by location, age, and plan choice.)
This type of volatility destroys your peace of mind. You fear the broader impact of inflation and market downturns. You want to avoid letting a simple tax mistake drain your accounts.

How Can I Use the 2026 Bronze Plan Arbitrage to Suppress Costs
The OBBB provision aims to ensure all Bronze ACA plans qualify as High Deductible Health Plans starting in 2026. You may pair a lower premium insurance option with a tax-deductible Health Savings Account.
Health Savings Account contributions are tax-deductible. These contributions directly reduce your Adjusted Gross Income. If you and your spouse reach age 55, you may also use catch-up contributions. You can potentially deduct over ten thousand dollars from your income. Early retirees use this tool to deliberately suppress income and try to stay under the subsidy cliff.
Health Savings Accounts are subject to annual IRS contribution limits. Using a High Deductible Health Plan means you pay more out of pocket before insurance coverage begins. This structure may not suit individuals with high recurring medical expenses.

How Do I Engineer My Income to Maximize Healthcare Subsidies
What many people don't realize is that when it comes to ACA subsidies, you're navigating between an income ceiling and a floor. You must generate enough income to hit the 133 percent poverty level floor. If not, you risk falling into the Medicaid system if you miss this floor. This sounds like a non-issue, but it can be a real challenge for people who have exclusively saved into Roth accounts before retirement. That's why it's important to have a well-diversified mixture of accounts before heading into early retirement (some Roth, some taxable, etc)
To control the risk of exceeding the income ceiling (400% FPL), most will opt to use Roth IRA withdrawals as a buffer for spending needs above their target. Roth distributions generally do not count as taxable income if specific conditions are met, and would not trigger a subsidy reduction.

You can read our guide Accessing Retirement Funds Before 59 and a half Rule of 55 vs 72t SEPP. You might bridge the income gap with a 72t SEPP. Those specific distributions count toward your income. You must balance these forced distributions with tax-free Roth assets to try to avoid falling off the subsidy cliff.
FAQs
Does COBRA count for ACA subsidies?
No. COBRA lets you keep your employer plan, but you pay the full premium. You receive no federal subsidies for COBRA. You must enroll in an exchange plan to seek tax credits.
How is the ACA subsidy calculated?
The IRS calculates the subsidy by looking at a benchmark price. This is the second-lowest-cost silver plan in your zip code. The IRS subtracts your expected contribution based on your income. Formulas are subject to legislative changes.
What counts towards MAGI for the ACA?
Your income for the ACA includes your Adjusted Gross Income plus tax-exempt interest. It includes untaxed foreign income and non-taxable Social Security benefits. Roth IRA distributions and standard cash savings withdrawals generally do not count toward this metric.
Your Next Steps
Navigating early retirement healthcare requires careful execution. You can use this checklist to help plan your bridge to Medicare.
1. Model the Deduction. Calculate the potential impact of a maxed-out HSA contribution on your income.
2. Forecast Income. Estimate your income for the upcoming tax year.
3. Check Thresholds. Verify the 400 percent poverty level ceiling and the 133 percent floor for your specific state and household size.
4. Portfolio Review. Review your mix of taxable assets and Roth assets.
5. Verify Plan Status. Confirm the status of 2026 Bronze plans on your state exchange to check for HDHP compliance.

These steps are for educational purposes and do not constitute specific tax or investment advice.
Bridge the Gap with Confidence
It's possible to cover the health insurance gap between early retirement and age 65 without draining your accounts. But you'll need to manage your income and optimize your investment accounts in advance.
Tired of seeing complex tax rules eat into your early retirement budget. Let's talk about building a plan designed for tax efficiency. Schedule an introductory call today to learn more about our approach and determine if our services are a good fit for you.
This blog is for educational purposes only and should not be taken as individual advice
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Marcel Miu, CFA and CFP® is the Founder and Lead Wealth Planner at Simplify Wealth Planning. Simplify Wealth Planning is dedicated to helping employees earning company stock master their money and achieve their financial goals.
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