Why Are Physicians Leaving HSA Money on the Table?
by Malik
Why Are Physicians Leaving HSA Money on the Table?
A resident asked me last week if they should max out their HSA. They were making $65,000, stressed about loans, and treating it like an afterthought.
I told them they were looking at it wrong. The HSA isn't just another account. It's the most tax-advantaged space they have access to, and most physicians don't touch it until their attending years. By then they've already lost a decade of compounding.
Here's the thing. Physicians lose six figures to poor tax planning over their careers. Not because they don't make enough. Because they don't use the right accounts in the right order.
What Makes the HSA Different for Physicians?
You've probably heard the HSA called a triple tax advantage. Contributions are pre-tax. Growth is tax-free. Withdrawals for medical expenses are tax-free.
But here's what nobody tells you. For physicians, this matters more than almost anyone else.
You're in a high tax bracket early. Attending physicians hit the 32% or 35% federal bracket fast. Add state taxes and you're looking at 40%+ marginal rates. Every dollar you shelter in an HSA saves you 40 cents today.
Then you're likely to have medical expenses. Between student loan payments, starting a practice, maybe a family, physicians have cash flow pressure. But you also have high-deductible health plans because they're cheaper. The HSA pairs with those plans.
Most people treat the HSA like a flexible spending account. Use it or lose it. That's wrong. The HSA is a retirement account that happens to have medical benefits.
How Much Can Physicians Contribute to an HSA in 2026?
The limits changed this year. For 2026:
- Individual coverage: $4,300
- Family coverage: $8,550
- Catch-up contribution (55+): $1,000 extra
If you're married and both have access to HSAs, you can each contribute. That's $17,100 for a family if you're both maxing.
Here's the math. A resident couple maxing at $8,550 saves about $2,100 in taxes at a 25% combined rate. An attending couple at 40% saves $3,400. Do that for 30 years and you've sheltered hundreds of thousands from taxes.
When Should Physicians Start Using the HSA?
Start in residency. I know, I know. You're broke. You have loans. But hear me out.
Even if you can only contribute $500 your first year, you're building the habit. More importantly, you're opening the account. That matters because you can pay medical expenses out of pocket and reimburse yourself from the HSA years later.
Let me explain. You pay a $2,000 medical bill in residency. You don't reimburse it. You let it sit. That $2,000 grows tax-free for 20 years at 7%. It's now $7,700. You can reimburse yourself tax-free at any point.
The HSA is the only account where you can do this. With a 401k, you pay the expense or you don't. With the HSA, you get to choose when to take the money out.
What Investments Should Physicians Hold in an HSA?
This is where most people mess up. They open an HSA through their bank and it sits in cash earning 0.01%.
Your HSA should be invested. Same as your 401k. Same as your IRA.
If you're young and aggressive, 100% equities makes sense. You won't need this money for medical expenses for decades. Let it grow.
If you're closer to retirement, maybe you want some bonds. But the point is, it needs to be invested. Cash in an HSA is wasted space.
Most HSA providers let you invest once you hit a minimum balance. Fidelity, Lively, HealthEquity. They all have investment options. Pick low-cost index funds and move on.
Common HSA Mistakes Physicians Make
Not knowing they're eligible. You need a high-deductible health plan. For 2026, that means at least $1,650 deductible for individual coverage or $3,300 for family. Most employer plans for physicians meet this. Check your benefits.
Using it as a checking account. Don't swipe your HSA debit card for every copay. Pay out of pocket, save the receipt, reimburse later. Let the money grow.
Not tracking receipts. You need to keep receipts for any expenses you plan to reimburse later. Digital copies work fine. I've seen physicians lose tens of thousands because they couldn't prove the expense.
Withdrawing for non-medical expenses before 65. You can do it, but you'll pay income tax plus a 20% penalty. After 65, you can withdraw for anything and just pay income tax. Same as a traditional IRA.
Not coordinating with their spouse. If you both have HSAs, max both. There's no household limit. Two individual accounts can each get the individual contribution limit.
How the HSA Fits Into Physician Retirement Planning
Think about your retirement accounts in this order:
- 401k or 403b up to the employer match (free money)
- HSA max (triple tax advantage)
- Backdoor Roth IRA (tax-free growth)
- Rest of 401k/403b (pre-tax growth)
- Taxable brokerage (if you've maxed everything else)
The HSA sits right after your employer match. That's how important it is.
For physicians doing the backdoor Roth, the HSA is even more valuable. You can't contribute to a traditional IRA if you want to do the backdoor Roth without triggering the pro-rata rule. But the HSA has no income limits. You can always contribute.
What Happens to Your HSA When You Change Jobs?
Your HSA is yours. Not your employer's. You keep it when you leave.
If your employer contributed, that money is still yours. Vesting doesn't apply to HSA contributions the way it does to 401k match.
When you change jobs, you have two options. Keep the old HSA where it is. Or roll it to your new provider. I usually recommend consolidating. Fewer accounts to track.
One thing to watch. Some employers charge HSA fees. If you're paying $3/month for maintenance, that's $36 a year eating your returns. Fidelity and Lively don't charge fees. Consider moving if your current provider does.
Frequently Asked Questions
Can I contribute to an HSA if I'm on my spouse's non-HDHP plan?
No. You need to be covered by a high-deductible health plan to contribute. If your spouse has a non-HDHP plan that covers you, you're not eligible.
What if I'm on my parents' plan until 26?
Same rule. You need your own HDHP coverage. Being on a parent's plan, even if it's high-deductible, doesn't make you eligible unless you're the primary account holder.
Can I invest my HSA in real estate or crypto?
Technically yes, but you need a self-directed HSA custodian. Most employers don't offer this. And the rules are strict. I'd stick with stocks and bonds unless you really know what you're doing.
What medical expenses qualify for HSA reimbursement?
Pretty much anything medical. Doctor visits, prescriptions, dental, vision, therapy, chiropractic, acupuncture. Even things like sunscreen if you have a diagnosed skin condition. The IRS has a full list in Publication 502.
Do HSA contribution limits include employer contributions?
Yes. If your employer puts in $1,000, that counts against your limit. You can only contribute the difference.
The Bottom Line
The HSA is the most underrated account in physician financial planning. It's not flashy. It doesn't have the same limits as a 401k. But the tax math is unbeatable.
Start in residency. Even if it's a small amount. Invest it. Let it grow. Use it as a retirement account first, medical account second.
You're going to pay taxes your whole career. The question is whether you're going to be smart about it.
Sources:
- IRS Publication 502: Medical and Dental Expenses (2026)
- IRS Revenue Procedure 2025-24: HSA Contribution Limits
- AAMC Physician Compensation Report 2025
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