Avoid These 5 Costly Healthcare Tax Mistakes

Avoid the most common healthcare tax mistakes Los Angeles taxpayers make from choosing the wrong plan during open enrollment to missing medical tax deductions. Learn how to save money, avoid billing errors, and plan smarter for your health and taxes.

1. Focusing Only on Monthly Premiums and Ignoring the Big Picture

One of the most costly healthcare mistakes Los Angeles residents make is choosing a plan based only on the lowest monthly premium. While a low premium might look appealing, it can lead to much higher expenses later if the plan includes high deductibles or out-of-pocket maximums.

For example, if you rarely visit the doctor, a low-premium, high-deductible plan might be fine. But if you expect regular treatments, prescriptions, or specialist visits, those costs add up fast — often outweighing any monthly savings.

When reviewing plans during open enrollment, always compare:

  • The deductible

  • Copayments and coinsurance

  • The out-of-pocket maximum

  • Whether your doctors and hospitals are in-network

💡 Pro Tip: Look beyond price. The cheapest plan upfront isn’t always the most affordable overall — especially in Los Angeles, where healthcare costs can vary dramatically depending on providers and coverage networks.

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2. Underfunding or Overfunding Your FSA or HSA

Another major financial misstep involves Flexible Spending Accounts (FSAs) and Health Savings Accounts (HSAs). These accounts offer tax advantages by allowing you to use pre-tax dollars for eligible medical expenses — but they require planning.

If you underfund your FSA, you could miss out on significant tax savings throughout the year. On the other hand, if you overfund, you risk losing unused funds at year’s end since most FSAs follow a “use it or lose it” policy (although some employers offer a small carryover or grace period).

What to do instead:

  • Estimate your average annual healthcare costs — including prescriptions, copays, and routine visits.

  • Contribute just enough to cover those predictable expenses.

  • If you have a high-deductible health plan (HDHP), consider pairing it with an HSA, which allows funds to roll over year to year and grow tax-free.

💡 Los Angeles Insight: Many Angelenos with gig or freelance income forget to adjust their contributions when income fluctuates. Reassess your funding level midyear to avoid surprises.

3. Failing to Review Your Explanation of Benefits (EOBs)

Healthcare billing errors are more common than you might think — especially in large cities like Los Angeles, where medical systems and insurance providers handle massive volumes of claims daily.
Your Explanation of Benefits (EOB) is your first line of defense against being overcharged or billed incorrectly.

Too often, patients ignore these documents, assuming they’re just informational. However, reviewing your EOBs helps you:

  • Catch duplicate charges

  • Identify unapproved or incorrect services

  • Ensure your insurance paid the right share

If something looks wrong, contact your insurer or provider immediately. A quick follow-up can prevent small billing errors from turning into major financial headaches.

💡 Pro Tip: Set a reminder to review your EOBs monthly, especially after specialist visits, hospital stays, or major procedures.

4. Overlooking Deductible Medical Expenses at Tax Time

Many taxpayers in Los Angeles miss valuable deductions simply because they don’t realize what qualifies as a medical expense. If your total unreimbursed medical expenses exceed 7.5% of your Adjusted Gross Income (AGI), you can claim those costs if you itemize deductions.

Eligible expenses may include:

  • Doctor, dental, and vision care

  • Prescription medications

  • Medical travel (mileage, parking, or public transport to appointments)

  • Health insurance premiums (if self-employed)

  • Medical equipment or home improvements for accessibility

💡 Don’t forget: If you itemize, you can also deduct certain long-term care expenses, hearing aids, or even acupuncture treatments.

By keeping detailed records — and reviewing receipts throughout the year — you can maximize your deductions and lower your overall tax liability. Many Angelenos lose hundreds of dollars simply by failing to document their medical spending accurately.

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5. Not Reassessing Health Coverage During Open Enrollment

Every fall, many people in Los Angeles renew the same health plan automatically, assuming it’s still their best option. But healthcare plans and personal circumstances change.
Maybe your doctor is no longer in-network, your deductible went up, or your prescription coverage changed — all of which could impact your total costs.

When open enrollment begins (typically in November), take time to:

  • Review your current plan’s performance

  • Compare new options offered by your employer or Covered California

  • Check provider networks and updated prescription lists

  • Evaluate whether a PPO or HMO better fits your needs

💡 Example: If you’ve developed a chronic condition, switching to a plan with better specialist coverage may save you thousands per year. If you’re healthy and rarely visit doctors, a high-deductible plan paired with an HSA might make more sense.

Final Thoughts: Avoiding Mistakes Saves Money and Peace of Mind

Healthcare decisions impact both your physical and financial health. From choosing the right insurance plan to maximizing tax deductions, every choice matters — especially in Los Angeles, where costs can escalate quickly.

By avoiding these five common healthcare mistakes — focusing only on premiums, mismanaging FSAs/HSAs, ignoring EOBs, missing deductions, and failing to review your plan annually — you can save money, reduce stress, and protect your family’s long-term well-being.

Smart healthcare planning isn’t just about saving today — it’s about building financial stability and tax efficiency for the years ahead.

Plan Smarter for Health and Taxes with Martinez Income Tax

At Martinez Income Tax, we help Los Angeles taxpayers make informed healthcare and financial decisions — from maximizing tax deductions on medical expenses to strategically planning FSA and HSA contributions for the year ahead.

Our experienced team can help you:

  • Understand how your healthcare choices affect your taxes

  • Identify deductible medical expenses you might be missing

  • Optimize your open enrollment strategy for savings and coverage

💡 Ready to make your healthcare and tax plan work together?

Schedule a consultation today. Let’s make sure your health — and your wallet — stay protected all year long.

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