Tax planning for ENT surgeons

ENT income mixes E/M, in-office procedures, and surgical center K-1. Here’s the tax structure. As otolaryngologists, our compensation isn’t a simple W-2. We blend clinical evaluation, high-value in-office procedures like balloon sinuplasty, and often, partnership distributions from an ambulatory surgery center (ASC). This complexity is a double-edged sword. It creates tax headaches but also opens up sophisticated planning opportunities that are unavailable to most W-2 employees. The standard advice—max out your 401(k) and open a backdoor Roth—is table stakes. For a partner-track ENT, that’s just the beginning. The real value is in structuring your ASC buy-in, owning your medical real estate, and leveraging advanced retirement plans to shield six figures from taxes annually. This guide covers the core strategies high-income surgeons use. For a broader view of financial tools and benchmarks, see the otolaryngology free tools hub.

The 199A QBI Deduction: A Trap for Successful Surgeons

Let’s start with a common misconception that burns many physicians early in their careers: the Qualified Business Income (QBI) deduction under Section 199A. When the Tax Cuts and Jobs Act passed, it created a potential 20% deduction on pass-through income from entities like an S-Corp or partnership. On the surface, this looks fantastic for practice owners.

Here’s the trap: The full deduction is phased out for what the IRS calls a “Specified Service Trade or Business” (SSTB). This category explicitly includes “the performance of services in the field of health.” As a physician, your practice income is SSTB income. The moment your taxable income exceeds the threshold, the deduction begins to disappear, vanishing completely once you hit the top of the phase-out range.

For 2026, those phase-out thresholds are projected to be around $394,000 for single filers and $787,000 for those married filing jointly. A partner-track ENT with ASC distributions will almost certainly blow past these limits. Most of us figured this out the hard way—by seeing a big fat zero on that line of our tax return after expecting a five-figure deduction.

The takeaway isn’t to earn less; it’s to recognize that 199A is not part of your long-term strategy. You cannot rely on it. This realization should pivot your focus toward the more durable, high-impact strategies that don’t have an SSTB exclusion: real estate, advanced retirement plans, and entity structuring. Wasting time trying to game the 199A rules is a distraction from the plays that actually work at our income level.

ASC Ownership: Structuring Your K-1 Distributions

For many ENTs, the path to partnership includes buying into an Ambulatory Surgery Center. This is a powerful wealth-building vehicle, but the tax implications are driven entirely by how it’s structured. When you become a partner, you stop receiving only a W-2. You now get a Schedule K-1, which reports your share of the ASC’s income, deductions, and credits.

The first critical distinction is active versus passive participation. Under IRS §469 (the passive activity loss rules), if you are a “passive” investor, any losses from the ASC can only offset other passive income (like from rental real estate). They cannot offset your active W-2 or 1099 income from your clinical practice. To be considered an “active” participant, you generally need to meet one of several “material participation” tests, the most common being spending more than 500 hours a year on the activity. As a surgeon operating regularly at the center, you almost always qualify as an active participant.

This is crucial. In the early years, an ASC might generate paper losses due to accelerated depreciation on surgical equipment. As an active participant, you can use those K-1 losses to directly reduce your taxable income from your clinical work.

A common planning trap involves the buy-in itself. Your “basis” in the partnership—essentially your financial stake—limits the amount of losses you can deduct. If you buy in with cash, your basis is straightforward. But if you finance your buy-in, the structure of the debt matters. Recourse debt (for which you are personally liable) generally increases your basis, while non-recourse debt may not. This needs to be clarified with a physician-focused CPA before you sign the documents, not after.

The final piece is balancing your W-2 “reasonable compensation” from the professional group with the K-1 distributions from the ASC. This allows you to maximize contributions to tax-deferred retirement accounts based on your W-2 while receiving potentially tax-advantaged K-1 income.

Your Practice’s Landlord: Commercial Real Estate via an LLC

One of the most powerful tax strategies available to physician partners is to own the building where you practice. This is almost never done in your personal name or within the medical practice itself. Instead, the partners form a separate entity, typically a multi-member LLC, to purchase the commercial property. This real estate LLC then leases the building back to the medical practice at a fair market rate.

Here’s how the tax arbitrage works:

1. The Medical Practice: Your surgical group pays rent to the real estate LLC. This rent is a fully deductible business expense, reducing the practice’s taxable income.
2. The Real Estate LLC: The LLC receives the rent as income. However, it gets to claim massive non-cash deductions, primarily depreciation on the building. Commercial property is typically depreciated over 39 years, creating a significant “paper loss” each year.

The result is that you’ve shifted income from your high-tax medical practice into a real estate entity that often shows a tax loss. But how do you use that loss? On its own, it’s a passive loss, only useful for offsetting other passive income. The key is to make it non-passive.

This is where Real Estate Professional Status (REPS) comes in, and it’s a perfect role for a non-physician spouse. To qualify for REPS, a person must:

• Spend more than 750 hours during the tax year on real estate activities.
• Spend more than 50% of their total working time on real estate activities.

If your spouse can meet these tests (and maintains a contemporaneous log to prove it), and you file a joint tax return, the rental losses from your medical office building become non-passive. They can be used to directly offset your active W-2 income from surgery. This single strategy can shield hundreds of thousands of dollars from income tax. You can model out potential returns and depreciation benefits with a real estate investing calculator to see the impact.

Front-Loading Deductions with Cost Segregation Studies

Owning the real estate is step one. Supercharging its tax benefits is step two. A cost segregation study is an engineering-based analysis of a commercial property that identifies and reclassifies building components into shorter depreciation schedules.

Without a study, the entire cost of a commercial building (less land value) is depreciated straight-line over 39 years. But a building isn’t a single asset. It’s composed of the structural shell (39-year property), land improvements like paving (15-year property), personal property like carpeting and cabinetry (5-year property), and more. A cost segregation study breaks the building down into these components.

Here’s a concrete example. Suppose your partnership buys a medical office building for $2.5 million ($500k allocated to non-depreciable land, $2M to the building).

• Without Cost Segregation: You depreciate $2M over 39 years, for an annual deduction of about $51,282.
• With Cost Segregation: The study might reclassify 25% of the building’s cost ($500,000) into 5-year and 15-year property. This front-loads the deductions. In year one, especially if 100% bonus depreciation is available for property with a life of 20 years or less, you could potentially deduct that entire $500,000 immediately.

The result is a massive, immediate tax deduction that can create a huge net operating loss in the real estate LLC. When combined with a spouse’s REPS qualification, this loss flows through to your personal return and can wipe out a substantial portion of your clinical income tax liability for the year. This isn’t an aggressive or “gray area” strategy; it’s a standard, engineering-based application of the tax code that institutional real estate investors have used for decades.

Beyond the 401(k): Cash Balance and Defined Benefit Plans

Once you’re a partner, your retirement planning horizon needs to expand beyond the standard 401(k). While a 401(k) with a profit-sharing component is excellent, allowing for contributions up to $76,500 in 2026 (including employee, employer, and profit-sharing amounts), it’s often not enough to meaningfully reduce the tax burden for a high-earning surgeon.

The next level is a Cash Balance Plan. This is a type of “defined benefit” pension plan that feels like a “defined contribution” plan. The practice contributes a set amount to each partner’s account annually, where it grows with a guaranteed interest rate. The key is that the contribution limits are not fixed; they are determined by an actuary based on your age, income, and other factors. For a surgeon in their late 40s or 50s, annual pre-tax contributions can easily exceed $150,000, and sometimes approach $300,000.

This is a game-changer. You can “stack” a Cash Balance Plan on top of your practice’s 401(k). A partner could potentially contribute $76,500 to their 401(k)/profit-sharing plan AND another $200,000 to a Cash Balance Plan in the same year. That’s over a quarter-million dollars in pre-tax deductions, which could translate to over $100,000 in direct federal and state tax savings annually.

The planning trap here is complexity and commitment. These plans are more expensive to administer than a 401(k) and require consistent funding. They are best suited for stable, profitable practices where partners have a long-term view. It’s not a strategy to implement lightly, but for the right practice, it is the single most powerful tax-deferral tool available.

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