Retirement planning for emergency physicians: when the side gigs add up

Locum 1099 + W-2 + group partnership = three retirement accounts most EM docs never coordinate. Here’s the stacking math.

The financial life of an emergency physician is rarely simple. One year you’re a W-2 employee at a community hospital. The next, you’re a 1099 independent contractor for a large contract management group (CMG), picking up extra locums shifts on the side. A few years later, you might buy into a democratic group partnership. Each transition brings a new income structure and, critically, a new set of retirement accounts—a 401(k) from the W-2 job, a Solo 401(k) for the 1099 work, and maybe a complex profit-sharing plan from the partnership. Most of us never learn how to make these accounts work together. We leave tens, if not hundreds, of thousands of dollars on the table in tax savings and accelerated growth. This isn’t just about saving more; it’s about structuring your income and retirement vehicles to build wealth efficiently, a core topic we cover in our emergency medicine hub. Let’s break down the high-yield strategies that turn chaotic income streams into a coordinated plan.

The 1099 S-Corp Strategy to Cut Self-Employment Tax

If you’re working as an independent contractor, you’ve seen the sticker shock of your first quarterly tax payment. As a 1099 physician, you are responsible for both the employee and employer portions of FICA taxes (Social Security and Medicare), totaling a hefty 15.3% on the first $168,600 of income (2024 numbers, indexed for inflation) and 2.9% on everything above that. This is the self-employment (SE) tax, and it’s a significant drag on your earnings.

The most common and effective strategy to mitigate this is to form an S-Corporation. By filing Form 2553 with the IRS, you elect for your LLC or professional corporation to be taxed as an S-corp. This allows you to split your income into two categories: a W-2 salary and owner distributions.

Here’s the how-to sequence:

1. Form an Entity: Create a Professional LLC (PLLC) or corporation in your state.
2. Elect S-Corp Status: File Form 2553 with the IRS to be taxed as an S-corp.
3. Pay Yourself a “Reasonable Salary”: You must pay yourself a W-2 salary from your S-corp. This salary is subject to the full 15.3% SE tax.
4. Take the Rest as Distributions: Any remaining profit from the corporation can be paid to you as a distribution. This income is still subject to federal and state income tax, but it is not subject to the 15.3% SE tax.

Let’s say your 1099 income is $400,000. If you determine a “reasonable compensation” for your clinical work is $250,000, you would pay the 15.3% SE tax on that amount. The remaining $150,000 is taken as a distribution, saving you $22,950 in SE taxes ($150,000 x 15.3%).

The Trap: The key phrase here is “reasonable compensation.” The IRS requires that your salary be in line with what other physicians earn for similar work in your geographic area. You can’t pay yourself a $50,000 salary on $400,000 of income. If audited, the IRS can reclassify your distributions as wages and hit you with back taxes, penalties, and interest. Defending your salary requires documentation—look at salary surveys from organizations like MGMA or SullivanCotter to establish a defensible figure. This is a classic scenario where a tool like the physician finance hub can help model the tax savings and a qualified CPA can help you set a compliant salary.

Locum Tenens and the Tax-Home Trap

The allure of locum tenens work is strong: high hourly rates, geographic flexibility, and the promise of tax-deductible travel. You can deduct mileage, airfare, lodging, and 50% of your meal costs while working away from home. But there’s a critical IRS rule that trips up countless physicians: the “tax home” rule.

To claim these travel deductions, you must be traveling away from your tax home for business. According to the IRS, your tax home is your regular place of business, regardless of where you maintain your family home. If you don’t have a regular place of business, then your tax home may be the place where you regularly live.

The Trap: The “itinerant” physician. Many EM docs, especially early in their careers, are tempted to give up their apartment, put their belongings in storage, and travel the country from one locums assignment to the next. This is a catastrophic tax mistake. If you have no main place of business and no permanent residence you return to between assignments, the IRS considers you an itinerant. Your tax home becomes wherever you happen to be working. Since you are never “away” from your tax home, none of your travel, lodging, or meal expenses are deductible.

Here’s how to avoid this trap:

• Maintain a Real Residence: You must have a primary residence—a house or apartment you own or rent—that you incur costs to maintain and return to between assignments.
• Have a Business Nexus: Ideally, you should have some regular W-2 or 1099 work near that residence. This solidifies it as your primary place of business. If all your work is locums, having a well-established home base you consistently return to is crucial.
• Keep Meticulous Records: Document your travel dates, mileage logs, and receipts for lodging and meals. This is non-negotiable.

Losing an entire year’s worth of legitimate business deductions can cost you tens of thousands of dollars. Before you embrace the full-time locums lifestyle, make sure you have a permanent anchor.

Geographic Arbitrage: Living in Florida, Working in California

The portability of emergency medicine is one of its greatest financial assets. Unlike a surgeon with an established local practice, an EM physician can often live in one state and commute to work in another. This opens the door to geographic arbitrage: living in a state with no income tax while earning a high income in a state that has one.

Currently, nine states have no state income tax on wages: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. The potential savings are enormous. A physician earning $400,000 in California could face a state tax bill of over $35,000. By establishing legal domicile in Nevada or Texas and commuting for a block of shifts, that entire tax liability can be eliminated (though you will still owe California income tax on the income earned in California).

The How-To: Establishing domicile is more than just buying a house. High-tax states like California and New York are notoriously aggressive in auditing former residents. To prove you’ve truly moved, you must sever ties with the old state and plant deep roots in the new one. This includes:

• Changing your driver’s license and voter registration.
• Registering your vehicles in the new state.
• Filing a “declaration of domicile” if the new state offers it (like Florida).
• Moving your primary banking relationships.
• Spending more than 183 days per year in the new state.
• Updating your address on all financial accounts, passports, and legal documents.

The Trap: A “convenience” move. If you maintain significant ties to the high-tax state—your spouse and children still live there, you keep your country club membership, you see your primary care doctor there—auditors can argue your move was for convenience only and that you are still a legal resident. The burden of proof is on you to demonstrate, with overwhelming evidence, that your life is centered in the new, low-tax state.

Engineering an Early Exit: FIRE for High-Burnout Specialties

Financial Independence, Retire Early (FIRE) is more than a buzzword in emergency medicine; for many, it’s a survival strategy. The intensity and circadian disruption of shift work lead to high rates of burnout. Having the financial means to cut back, transition to a different role, or stop working entirely provides a critical psychological and professional off-ramp.

The central challenge of early retirement is bridging the financial gap between your retirement date (say, age 50) and age 59.5, when you can access traditional retirement accounts like your 401(k) and IRA without a 10% penalty.

Here is a common, effective sequence for building that bridge:

1. Max Out Everything: First, contribute the maximum to every available tax-advantaged account: your 401(k) or Solo 401(k), a Backdoor Roth IRA, and a Health Savings Account (HSA).
2. Build the Taxable Bridge: After maxing out the above, aggressively fund a taxable brokerage account. Invest in tax-efficient, low-cost index funds (e.g., total stock market or S&P 500 ETFs) to minimize tax drag from dividends and capital gains. This account is your primary source of funds for your pre-59.5 years.
3. Plan Your Withdrawal Strategy: The sequence in which you tap your accounts in retirement is critical. Generally, you spend from taxable accounts first, allowing your tax-deferred and tax-free accounts to continue growing for as long as possible.
4. Consider Advanced Strategies: For more sophisticated planning, look into a Roth conversion ladder (systematically converting pre-tax 401(k)/IRA funds to a Roth IRA each year in retirement) or a 72(t) Substantially Equal Periodic Payment (SEPP) plan, which allows penalty-free withdrawals from an IRA before 59.5 under strict rules.

The Trap: Focusing only on the accumulation number. Most physicians fixate on their “FIRE number” but spend no time planning the decumulation. Tax planning in withdrawal is just as important as saving. A poorly executed withdrawal strategy—like selling a huge chunk of your taxable account in a high-income year or failing to plan for Roth conversions when your income is low—can cost you six figures in unnecessary taxes over the course of your retirement. A simple budgeting calculator can help you project expenses, but a comprehensive withdrawal plan is the real key.

Supercharging Savings: The Cash Balance Plan Overlay

For high-income 1099 physicians, there’s a limit to how much you can shelter in a standard Solo 401(k) ($69,000 in 2024, plus a catch-up for those over 50). Once you’ve maxed that out, what’s next? The most powerful tool available is a cash balance plan.

A cash balance plan is a type of IRS-qualified defined benefit pension plan. While a 401(k) is a “defined contribution” plan (you know how much you put in), a cash balance plan is a “defined benefit” plan (it promises a certain payout at retirement). To fund that future promise, the plan allows for massive pre-tax contributions today—often far exceeding 401(k) limits.

Here’s how it works for a solo S-corp physician:

• You establish both a Solo 401(k) and a cash balance plan.
• You continue to max out your Solo 401(k) contributions.
• On top of that, an actuary calculates an additional, large contribution you can make to the cash balance plan. This amount is based on your age, income, and desired retirement benefit.

For a physician in their late 40s or 50s, it’s not uncommon for the cash balance plan to allow for an additional $100,000, $200,000, or even $300,000+ in pre-tax contributions per year. If you’re in a high tax bracket, a $150,000 contribution could immediately save you over $60,000 in federal and state income taxes for that year.

The Trap: Commitment and complexity. Unlike a 401(k), where you can change your contribution amount each year, a cash balance plan requires consistent funding. You are committing to making substantial contributions for several years. Shutting down the plan early can come with complications. Furthermore, these plans have higher administrative costs and require an actuary to manage. They are a phenomenal tool for physicians with stable, high 1099 income, but they are not a fit for someone with unpredictable income streams.

Coordinating these strategies—S-corp structure, locums deductions, geographic arbitrage, and advanced retirement accounts—transforms your financial plan from a reactive mess into a proactive wealth-building engine. The key is to see how the pieces fit together. The physician finance hub is designed to help you model these scenarios, identifying which strategies apply to your specific mix of W-2 and 1099 income and quantifying the potential tax savings. By stacking these techniques, you can take control of your financial future and build the career—and life—you want.

Reviewed by Pouyan Golshani, MD, Interventional Radiologist — May 21, 2026