Jovan Johnson, MBA, CFP®, CPA/PFS
One of the questions we frequently get from 1099 physicians and other independent healthcare professionals is whether they should elect S Corp status.
There’s a common belief that becoming an S Corp will automatically save you money on taxes. While that can certainly be true, it’s not always the case.
Whether an S Corp makes sense depends on several factors, including your business profits, reasonable compensation, state taxes, retirement contributions, and the additional costs of operating the business.
So, is an S Corp worth it for a 1099 physician?
The short answer is that it depends. If you’re consistently generating enough profit to pay yourself a reasonable salary, cover your business expenses, and still have money left for distributions, an S Corp may provide meaningful tax savings.
But there’s more to consider before making the election.
1. How Can an S Corp Save a 1099 Physician Money on Taxes?
The primary benefit of electing S Corp status is the potential to reduce Social Security and Medicare taxes.
As a sole proprietor, your net self-employment earnings are generally subject to self-employment tax, which has a combined rate of 15.3% up to the Social Security wage base. Above that wage base, Medicare taxes generally continue to apply.
With an S Corp, you generally pay yourself in two ways:
- Reasonable W-2 salary: Subject to applicable payroll taxes.
- Shareholder distributions: Generally not subject to Social Security and Medicare employment taxes.
The potential savings come from the distributions.
However, there’s an important detail for higher-income physicians. If your earnings already exceed the Social Security wage base, your potential savings may be much smaller than the commonly advertised 15.3%.
Depending on your income, the regular 2.9% Medicare tax and potentially the Additional Medicare Tax may be more relevant to the comparison.
This is why you should run the actual numbers rather than assume an S Corp will automatically save you thousands of dollars.
2. Why Is Reasonable Compensation So Important?
If you work in your S Corp, the IRS generally requires you to pay yourself reasonable compensation for the services you perform before taking non-wage distributions.
One way to think about this is to ask yourself:
If I were doing the same job as a W-2 employee, what would someone reasonably pay me?
For a physician, that means considering your specialty, experience, location, hours worked, and responsibilities.
You can’t simply pay yourself an extremely low salary to avoid payroll taxes. If the IRS determines your compensation is unreasonable, it may reclassify distributions as wages and assess additional taxes, penalties, and interest.
Your salary also affects how much you can contribute to certain retirement plans.
Reasonable compensation is one of the biggest factors in determining whether an S Corp makes financial sense.
3. Don’t Overlook State and Local Taxes
This is one of the most overlooked parts of the S Corp decision.
Most people focus on federal employment tax savings, but additional state and local taxes can significantly reduce those benefits.
Some states impose entity-level taxes, franchise taxes, minimum fees, or additional filing requirements.
For example, New York City generally doesn’t recognize the federal S Corp election for its corporate tax purposes. Depending on your business activities, your S Corp could face additional city-level taxation.
This can offset some of the federal tax savings you were expecting.
And if you’re a locum tenens physician working in multiple states, things can become even more complicated.
Depending on where you perform services, you may have additional business registration, state tax filing, payroll, or entity-level tax obligations.
Before making an S Corp election, make sure you understand the tax implications in the states where you work.
4. How Does an S Corp Affect Your Retirement Contributions?
Another important consideration is retirement planning.
As an S Corp owner, your retirement plan contributions are generally based on your eligible W-2 compensation, not your shareholder distributions.
For example, let’s say you pay yourself a $150,000 salary and establish a Solo 401(k).
You may be able to make employee contributions up to the annual IRS limit, plus an employer contribution of up to 25% of eligible compensation.
In this example, the employer contribution could be $37,500, subject to applicable limits and plan rules.
In the case of a SEP IRA, it allows an employer contribution of up to 25% of eligible compensation.
If you significantly reduce your salary, you could also reduce your retirement contribution opportunities.
That’s why I believe your tax strategy and retirement planning should work together rather than be evaluated separately.
5. What Additional Costs Come With an S Corp?
Operating an S Corp generally comes with more administrative responsibilities than operating as a sole proprietor.
Some additional costs and requirements include:
- Payroll: Paying yourself a W-2 salary, withholding taxes, and filing payroll reports.
- Bookkeeping: Maintaining accurate financial records, including your profit and loss statement and balance sheet.
- Tax preparation: Filing a separate Form 1120-S in addition to your personal tax return.
- State compliance: Paying applicable registration fees, filing annual reports, and meeting state-specific requirements.
- Employment obligations: Potential unemployment taxes, workers’ compensation coverage, and other applicable requirements.
Depending on your legal entity and state, there may also be corporate recordkeeping or governance requirements.
These costs add up.
If an S Corp saves you $3,000 in taxes but creates $4,000 in additional annual expenses, it probably isn’t the best financial decision.
6. What Other Factors Should You Consider?
There are a few other items worth reviewing before making the election.
Qualified Business Income (QBI) deduction: If you qualify for the QBI deduction, paying yourself a W-2 salary can reduce the business income eligible for the deduction. Physicians and many other healthcare professionals are also subject to income-based limitations because medical services generally fall under the specified service trade or business rules.
Social Security and disability benefits: Lower W-2 compensation may affect your future Social Security benefits or certain state disability benefits, depending on your circumstances.
Home office deductions: As an S Corp owner, you generally can’t deduct home office expenses the same way a sole proprietor would. Instead, you may need to establish an accountable reimbursement plan to reimburse yourself for qualifying expenses.
We discuss this in more detail in our article on S Corp accountable plans and home office expenses.
Tax filing deadlines: S Corps generally file Form 1120-S by March 15 for calendar-year businesses, while individual Form 1040 returns are generally due April 15, subject to applicable weekend, holiday, and extension rules.
7. When Does an S Corp Actually Make Sense?
Probably one of the biggest things I would consider is whether you’re consistently generating enough business profit.
There’s no specific income threshold that automatically makes an S Corp worthwhile.
Ideally, your business should generate enough income to pay yourself a reasonable salary, cover operating expenses and additional administrative costs, maintain adequate cash reserves, and still have profits available for distributions.
If you’re just starting your 1099 work or your income is inconsistent, it may make sense to wait until you have a better understanding of your earnings.
On the other hand, if your business consistently generates profits well above a reasonable salary, an S Corp may be worth evaluating.
The important thing is to compare your projected taxes and costs under both structures.
Final Thoughts
An S Corp can be a great tax planning strategy for some 1099 physicians and independent healthcare professionals, but it’s not automatically the right choice for everyone.
Before making the election, I would encourage you to look at your business profits, reasonable salary, state taxes, retirement planning, and additional operating costs.
You also want to consider how the decision fits into your broader financial goals.
The goal shouldn’t simply be to save the most in payroll taxes. It should be to make the best overall financial decision for your situation.
At Piece of Wealth Planning, we help 1099 physicians and independent healthcare professionals coordinate their accounting, tax planning, retirement, and personal financial planning.
If you’re considering an S Corp election and want help evaluating whether it makes sense for your situation, we’d welcome the opportunity to connect.
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