OR ownership economics for plastic surgeons

OR/ASC ownership is a clean economic add for plastic surgeons. Here’s the modeling.

For most of our careers, we focus on one number: the professional fee. It’s the reward for our training, our skill, and our time. But the surgeons who build significant, durable wealth learn to think about the second, equally important number: the facility fee. Capturing that fee by owning the operating room or ambulatory surgery center (ASC) where you perform your cases is one of the most direct paths to financial independence in a surgical specialty. It transforms your practice from a service business into a multi-revenue-stream enterprise.

This isn’t just about adding a few percentage points to your bottom line. It’s a fundamental shift in your business model that requires a different level of financial and operational sophistication. It involves entity structuring, advanced tax planning, and real estate strategy. Most of us figured this out the hard way—by seeing senior partners reap the rewards of decisions they made a decade earlier. This article is your cheat sheet, breaking down the core economic and tax strategies that make OR ownership so powerful. For a broader look at resources for your practice, you can also explore the plastic surgery hub on GigHz.

ASC Ownership and K-1 Tax Structuring

When you buy into an ASC, you’re not just getting a piece of the operational profits; you’re stepping into a partnership structure that has significant tax implications. The money flows to you not as a salary, but as a K-1 distribution, which represents your share of the ASC’s net income.

Here’s the basic flow: Your surgical practice pays a facility fee to the ASC for each case performed there. The ASC uses that revenue to pay its own expenses: staff salaries, supplies, rent, insurance, etc. The profit that remains is then distributed to the physician-owners according to their ownership percentage. This income is reported on an IRS Schedule K-1.

The critical concept to master here is the “active” vs. “passive” participation rule under IRS Code §469. If you are an “active” participant in the ASC—meaning you meet certain criteria for material participation, such as spending significant time on management activities—you can potentially use any losses from the ASC (common in the early years due to startup costs and depreciation) to offset your other active income, like your W-2 salary from your surgical group. If your participation is deemed “passive,” those losses are suspended and can only be used to offset other passive income.

A common planning trap is misunderstanding your “basis” and “at-risk” limitations. Your basis is essentially your investment in the partnership—what you paid for your share, plus your share of profits, minus distributions. You generally cannot deduct losses that exceed your basis. The at-risk rules further limit loss deductions to the amount you personally stand to lose. If your buy-in was financed with non-recourse debt (debt you’re not personally liable for), that portion may not count towards your at-risk amount, limiting your ability to deduct early-stage paper losses. Getting the buy-in structure right with your advisors from day one is paramount.

Commercial Medical Real Estate via a Separate LLC

The most sophisticated surgeon-investors often own not just the ASC operation, but the building it operates in. This strategy, often called a “leaseback,” creates a powerful economic engine completely separate from your clinical practice.

Here’s the how-to sequence:

1. Form a separate entity. You and your partners form a real estate holding company, typically a Limited Liability Company (LLC), to purchase the medical office building or ASC facility.
2. The LLC buys the property. This LLC, not the medical practice, holds the title to the real estate.
3. The practice becomes a tenant. Your medical practice (the S-Corp or partnership) signs a formal, long-term, triple-net (NNN) lease with the real estate LLC to rent the building at a fair market rate.

This structure creates two key benefits. First, the rent your practice pays to your real estate LLC is a fully deductible business expense, reducing the practice’s taxable income. Second, the real estate LLC now has rental income, but it also has significant “paper” expenses, chiefly depreciation. By commissioning a cost segregation study, an engineering firm can break the building down into components (e.g., flooring, wiring, cabinetry) with shorter depreciation schedules (5, 7, or 15 years) instead of the standard 39 years for commercial property. This front-loads depreciation, often creating a large tax loss in the early years of ownership.

The planning trap here is unlocking that real estate tax loss against your high surgical income. By default, rental real estate is a passive activity. To use those losses, one of the owners (or their spouse) must qualify for Real Estate Professional Status (REPS). Under IRS rules, this requires that individual to:

• Spend more than 750 hours per year in real property trades or businesses.
• Spend more than 50% of their total working time on these real estate activities.

For a busy surgeon, this is impossible. But for a spouse who can legitimately manage the property, oversee other investments, or work in a real estate field, it’s a game-changer. Meticulous, contemporaneous time logs are non-negotiable to survive an audit. If your spouse qualifies and you file jointly, the real estate losses can directly offset your W-2 or K-1 surgical income.

Supercharge Retirement with Cash Balance & Defined Benefit Plans

For high-earning plastic surgeons in their peak years, a standard 401(k) is simply not enough. The contribution limits are too low to meaningfully reduce your tax burden. The next level is stacking a cash balance plan on top of your 401(k) and profit-sharing plan. This is arguably the most powerful pre-tax retirement savings vehicle available to physicians.

A cash balance plan is a type of IRS-qualified defined benefit pension plan. While it feels like a 401(k) to the employee (you see a hypothetical “account balance”), it allows for much larger, age-dependent contributions. The older you are, the more you can contribute. For a surgeon in their late 40s or 50s, it’s not uncommon to contribute an additional $150,000, $200,000, or even over $300,000 per year, all of it tax-deductible.

Consider a 52-year-old surgeon in a group practice. The practice can contribute the maximum to her 401(k) and profit-sharing plan. On top of that, the group can fund a cash balance plan, allowing her to defer another $250,000 of income. At a 40% combined federal and state tax rate, that’s an immediate tax savings of $100,000 in a single year.

The trap: These are not “set it and forget it” plans. Because they are defined-benefit plans, they are subject to stricter ERISA rules and require an annual actuarial calculation to determine the mandatory funding amount. You can’t just decide to skip a contribution one year if cash flow is tight. The commitment is real, and the administrative costs are higher than a simple 401(k). Therefore, this strategy is best for practices with stable, high profitability. When evaluating the numbers, an ASC/OBL feasibility advisory engagement can help model out the long-term cash flow required to support such a plan.

The 199A QBI Deduction: A Trap for High Earners

The Tax Cuts and Jobs Act of 2017 introduced the Section 199A Qualified Business Income (QBI) deduction, which allows owners of pass-through businesses (like S-Corps and partnerships) to deduct up to 20% of their business income. When this was announced, many physicians thought they’d hit the jackpot. They were wrong.

Here’s the warning: The QBI deduction is effectively off-limits for almost every successful plastic surgeon. The law explicitly defines healthcare as a “Specified Service Trade or Business” (SSTB). For those in an SSTB, the 20% deduction is completely phased out once your taxable income exceeds a certain threshold. For 2026, this threshold will be approximately $518,950 for married filing jointly and $259,475 for single filers (adjusted for inflation from prior years).

As a partner in a plastic surgery group with ASC ownership, your income will almost certainly blow past this limit. The planning trap isn’t in trying to qualify; it’s in wasting time and energy on it. Many junior partners hear about QBI and build it into their financial plans, only to be hit with a surprise tax bill when they realize they make too much to claim it.

The takeaway isn’t one of despair. It’s a call to action. Knowing that QBI is not part of your toolkit forces you to focus on the strategies that *do* work for high-income surgeons: maximizing tax-deferred retirement accounts with cash balance plans, creating depreciation-driven losses through real estate, and structuring your ASC to be as tax-efficient as possible. These are the levers you can actually pull.

The Cash Balance Plan Overlay for Solo and S-Corp Surgeons

While cash balance plans are powerful in a group setting, they are arguably even more impactful for the solo practitioner or a surgeon operating as a single-owner S-Corp. In this structure, you have maximum control and can design a plan tailored precisely to your own retirement goals and tax situation.

For a solo surgeon, the combination looks like this:

1. Solo 401(k): You act as both “employee” and “employer.” You can make an employee deferral and an employer profit-sharing contribution, maxing out this vehicle.
2. Cash Balance Plan: On top of the Solo 401(k), you establish a one-person defined benefit cash balance plan. The contribution is calculated by an actuary based on your age, income, and desired retirement benefit.

This “overlay” allows a solo 45-year-old surgeon making $800,000 to potentially shelter over $200,000 of income per year from taxes, far beyond what any standard retirement plan could offer. The funds grow tax-deferred, and the contribution is a direct deduction against your business income, lowering your tax bill today.

The primary trap for the solo surgeon is failing to properly manage “reasonable compensation” if operating as an S-Corp. You must pay yourself a fair market W-2 salary from your S-Corp before taking the rest as a distribution. The retirement plan contributions are based on this W-2 salary. Setting the salary too low can invalidate the S-Corp structure and the retirement plan deductions under IRS scrutiny. Conversely, setting it too high incurs unnecessary payroll taxes. It’s a fine balance that requires expert guidance. Understanding the interplay between your practice revenue, payer mix, and these advanced strategies is crucial, and tools providing CenterIQ rate intelligence can help ground your financial models in real-world data.

Ultimately, owning your OR is about more than just clinical autonomy. It’s about taking control of the entire value chain of the procedures you perform. By pairing operational ownership with sophisticated tax and real estate strategies, you can build a financial foundation that provides security and flexibility for decades to come.

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