The $15,000 Write-Off Self-Employed People Leave on the Table Every Year

What Your CPA Won't Tell You — Issue #2

Category: Tax Strategy | Published: June 2025 | Read time: 6 min read

Originally published on LinkedIn

The $15,000 Write-Off Self-Employed People Leave on the Table Every Year

If you are self-employed and paying for your own health insurance, the IRS allows you to deduct 100% of those premiums directly from your gross income — not as an itemized deduction, but as an above-the-line adjustment.

Most people either don't know this exists, or they're not applying it correctly.

Let me break it down.

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What Is the Self-Employed Health Insurance Deduction?

Under IRC Section 162(l), self-employed individuals — including sole proprietors, S-corp shareholders, partners, and single-member LLC owners — can deduct the cost of health insurance premiums for themselves, their spouse, and their dependents.

This deduction: Reduces your Adjusted Gross Income (AGI) — not just your taxable income Does not require you to itemize — it's taken on Schedule 1 of your Form 1040 Applies to medical, dental, and long-term care premiums Can include premiums paid for your spouse and dependents

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How Much Are We Talking?

The average self-employed individual or small business owner pays between $500–$1,500/month in health insurance premiums.

At $1,000/month, that's $12,000/year in deductible premiums.

Add dental, vision, and a qualifying long-term care policy — and you're easily at $15,000–$18,000 in above-the-line deductions.

At a 30% effective tax rate, that's $4,500–$5,400 back in your pocket every single year.

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The Catch (And How to Navigate It)

The deduction is limited to your net self-employment income. You cannot deduct more than you earned from self-employment.

Additionally, you cannot take this deduction if you were eligible to participate in an employer-sponsored health plan — either through your own employer (if you have a W-2 job) or through your spouse's employer.

This is where strategy matters. The structure of your business entity, how you pay yourself, and whether you're coordinating with a spouse's employer plan all affect your eligibility and the size of your deduction.

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The S-Corp Strategy

If you operate as an S-Corporation, the deduction works slightly differently — but can be even more powerful.

The S-corp pays the premiums, includes them in your W-2 wages (Box 1 only, not subject to FICA), and you then deduct them on your personal return.

This allows you to: Avoid FICA taxes on the premium amount Still take the full above-the-line deduction Potentially qualify for additional deductions through a Section 105 HRA or ICHRA structure

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What Your CPA May Not Be Telling You

Most CPAs know this deduction exists. What they may not be doing is: Reviewing whether your current plan is optimized for the deduction Coordinating your health strategy with your entity structure Layering in an HSA to double the tax benefit Evaluating whether a SIMRP or ICHRA could expand the deduction further

This is the difference between compliance and strategy.

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The Compounding Effect

When you combine the self-employed health insurance deduction with a maximized HSA contribution, you can easily generate $20,000–$25,000 in above-the-line deductions from health-related expenses alone.

For a self-employed professional earning $150,000:

| Strategy | Annual Deduction | Tax Savings (30%) | |---|---|---| | Health insurance premiums | $12,000 | $3,600 | | HSA contribution (family) | $8,550 | $2,565 | | Combined | $20,550 | $6,165 |

That's over $6,000 per year in tax savings — from health expenses you were already paying.

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The Bottom Line

The self-employed health insurance deduction is not a loophole. It is a legitimate, IRS-sanctioned tax strategy that rewards self-employed individuals for taking responsibility for their own coverage.

The question is not whether it exists. The question is whether you are using it — and whether you are using it correctly.

> "Health insurance is not just an expense. It is a financial and risk-management strategy." — Christine Kieffer

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Ready to See What You're Leaving on the Table?

Book a complimentary strategy session. We'll review your current coverage, your entity structure, and your tax position — and show you exactly how much you could be saving.

About the Author

Christine Kieffer is the Founder of Kieffer Insurance Group LLC and a Health Insurance Strategist specializing in tax-aware health coverage strategies for entrepreneurs, 1099 professionals, and small businesses. Her newsletter "What Your CPA Won't Tell You" publishes weekly insights on health insurance strategy and tax efficiency.

Learn more about Christine Kieffer | View all articles | Book a strategy session