HSA at 65: Acts Like an IRA, No 20% Penalty on Cash

The decision: Robert’s $60,000 HSA at 66

Robert is 66, married filing jointly, and lives in Georgia. He retired last year with a $60,000 HSA he never touched while working — he paid medical bills out of pocket and let the account grow. His combined taxable income with his wife puts their next dollar in the 22% federal bracket (MFJ: $96,951–$206,700 for 2026). Georgia adds a flat 5.39% on top.

He needs $20,000 this year. He could pull it from the HSA. The question every 65-plus HSA owner faces: is that money free, or is it taxed? The answer is — it depends entirely on what he spends it on. And that single fork is worth real money.

Same account, same $20,000, a $5,478 difference based purely on what the money pays for. The lever is obvious: spend the HSA on medical expenses first (Robert and his wife will easily clear $20,000 in premiums, dental, hearing aids, and copays over the year), and let the rest of the balance keep behaving like a tax-free pool. He pulls his other $20,000 of spending from a traditional IRA — which would be taxed regardless — and routes the HSA at his medical bills. Result: $0 tax on the HSA money.

What actually changes at 65

Before 65, a non-qualified HSA withdrawal is brutal: a 20% additional tax on top of ordinary income tax. Pull $10,000 for a vacation at 60 in the 22% bracket and you lose $2,000 to the penalty plus $2,200 to income tax — $4,200 on a $10,000 withdrawal.

At 65 the penalty vanishes. Under IRC §223(f)(4)(C), the 20% additional tax simply does not apply once the account holder reaches age 65. What remains is ordinary income tax on non-medical withdrawals — which is exactly how a traditional IRA distribution is taxed. That is the whole “HSA acts like an IRA” insight in one sentence: after 65, an HSA is a traditional IRA for non-medical money and a tax-free account for medical money.

Two things do not change at 65:

• Qualified medical withdrawals stay 100% tax-free at every age, with no penalty and no income tax. This was true at 40 and it is true at 85.
• There are no required minimum distributions, ever. Unlike a traditional IRA — which forces RMDs at age 73 or 75 under SECURE 2.0 §107 — the HSA has no forced-withdrawal age. The balance can sit untouched until you need it.

HSA vs. traditional IRA after 65, side by side

The HSA is not merely “as good as” an IRA after 65. On the dimensions that matter in retirement, it is strictly better:

Read the medical row again: an IRA dollar spent on a $185/mo Medicare premium is taxed; an HSA dollar spent on the same premium is not. That is why the planning order in retirement is usually: HSA at medical, IRA at everything else.

Paying Medicare from the HSA — a free $2,220 a year

Once you are 65, Medicare premiums become one of the cleanest HSA uses. Qualified, tax-free HSA expenses (IRS Pub. 969) include:

• Medicare Part B — the base premium is $185.00/mo in 2026, or $2,220 per year per person.
• Medicare Part D prescription-drug premiums.
• Medicare Advantage (Part C) premiums.
• Your share of employer health coverage if you keep working past 65.

The one trap: Medigap (Medicare supplement) premiums are NOT HSA-eligible. Part B, Part D, and Advantage qualify; the lettered Medigap plans do not. Robert pays his and his wife’s Part B — $4,440 combined — straight from the HSA, tax-free, and that alone absorbs most of his $20,000 medical bucket without touching a taxable account.

The triple-tax-free account, finished

The HSA is the only account in the US tax code with three layers of tax protection. Contributions go in pre-tax (an above-the-line deduction that lowers AGI dollar-for-dollar, capped at $4,400 self-only or $8,750 family in 2026, plus a $1,000 catch-up at 55+ under IRC §223(b)). Growth compounds tax-free inside the account — no tax on dividends, interest, or capital gains. And qualified medical withdrawals come out tax-free. A 401(k) gives you two of those three; a Roth gives you two; only the HSA gives all three.

Turning 65 is the moment the third layer becomes optional rather than mandatory. Before 65 the only tax-free exit was medical spending. After 65 you keep the tax-free medical exit and gain a second, penalty-free exit for everything else. That is what lets a worker over-fund an HSA for decades — deliberately paying medical bills out of pocket, never touching the account — knowing the balance has two clean ways out once they hit 65: tax-free for medicine, IRA-equivalent for cash.

Robert did exactly this. He contributed the family maximum plus the catch-up for the last fifteen working years, paid his medical bills from his paycheck, and let the $60,000 compound. He never “needed” the HSA — he was building the most flexible account he’d own in retirement.

The receipt strategy most people miss

Here is the move that turns the HSA from a spending account into a tax-free withdrawal engine: there is no deadline to reimburse yourself for a past medical expense. The IRS imposes no time limit on when you take a qualified distribution, as long as the expense was incurred after you opened the HSA and was not already reimbursed or deducted.

That means if Robert paid $25,000 of medical bills out of pocket over the last decade and kept the receipts, he can withdraw $25,000 from the HSA today — tax-free — and spend it on anything he wants. The withdrawal is “qualified” because it matches a real past medical expense, even one from years ago. The receipts are the key. People who shred medical receipts are throwing away future tax-free withdrawals.

1. Pay current medical bills out of pocket while the HSA keeps growing tax-free.
2. Save every receipt — a folder, a photo, a spreadsheet with date and amount.
3. In any later year, reimburse yourself tax-free up to your accumulated unreimbursed total — and use that cash for anything.

This converts a non-medical cash need into a tax-free withdrawal, sidestepping the ordinary-income tax that a plain non-medical withdrawal would trigger.

What most people get wrong

Three myths cost HSA owners money after 65:

• “After 65 I can’t touch it without a penalty.” Backwards. After 65 there is never a penalty — only income tax on non-medical use. The penalty era ends at 65; it does not begin.
• “HSAs have RMDs like my IRA.” False. The HSA has no required minimum distribution at any age. You can leave the balance untouched and it keeps compounding tax-deferred — or tax-free if eventually spent on medical.
• “I can keep contributing while on Medicare.” No. Enrolling in any part of Medicare ends HSA contribution eligibility under IRC §223(b)(7). Because Part A enrollment is often automatic when you claim Social Security, many people unknowingly disqualify themselves — and excess contributions face a 6% excise tax. Withdrawals and growth continue; new deposits stop.

What “qualified medical” covers — and what it doesn’t

The medical lane is broader than most retirees realize. Qualified expenses (IRS Pub. 502 and 969) that come out tax-free at any age include:

• Dental and vision — cleanings, crowns, dentures, glasses, contacts, LASIK. None of this is covered by basic Medicare, which makes the HSA the natural funding source.
• Hearing aids — routinely $2,000–$6,000 a pair and not covered by Part B.
• Long-term care services — in-home aides, assisted living medical care, and nursing-home care, with no annual cap.
• Qualified LTC insurance premiums — tax-free up to an age-based limit ($6,200 at age 70+ for 2026 per IRS Rev. Proc. 2025-32).
• Medicare Part B, D, and Advantage premiums — the recurring tax-free use that adds up fastest.

What is not qualified: Medigap supplement premiums, cosmetic procedures, general health-club memberships, and over-the-counter items without a medical purpose. Spend on these from the HSA after 65 and you simply owe ordinary income tax — no penalty, but no free pass either.

The one tax-coordination point: IRMAA and your MAGI

A non-medical HSA withdrawal is ordinary income, so it raises your MAGI — and MAGI drives your Medicare premium surcharge (IRMAA). The first cliff sits at $206K MAGI (MFJ) for 2026; cross it and the Part B premium jumps from $185 to $259 per person, per month. A large non-medical HSA withdrawal in a year you are near the line can trigger thousands in surcharges two years later.

The fix is the same as the core strategy: spend the HSA on medical (which never touches MAGI — qualified withdrawals are tax-free and not reported as income) and meet non-medical cash needs from accounts where you are already managing the bracket. If you must take a non-medical HSA withdrawal, size it against the IRMAA tier the way you would size a Roth conversion.

The decision lever

At 65 the HSA stops being a use-it-on-medicine account and becomes the most flexible account you own: tax-free for medical, penalty-free (IRA-equivalent) for everything else, no RMDs, ever. The single decision that controls your tax bill is withdrawal sequencing:

1. Pay every qualified medical expense from the HSA first — premiums (Part B/D/Advantage), dental, vision, hearing, LTC. These come out at $0 tax and never hit MAGI.
2. Bank old medical receipts so a future cash need can be pulled tax-free against past expenses.
3. Take non-medical HSA withdrawals only when it beats the alternative — and watch the IRMAA cliff, because non-medical dollars are ordinary income.

For Robert, the math is settled: route the $20,000 at his and his wife’s medical bills, pull his discretionary spending from the IRA he’d be taxed on anyway, and keep $5,478 that the careless version would have handed to the IRS and the Georgia Department of Revenue.