Physician Finance

Tax planning for rheumatologists with practice equity

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Rheumatology K-1 income from infusion practices needs a different tax structure than pure E/M income. If you’re a partner in a practice with an ancillary infusion center, you’re not just a clinician anymore; you’re a business owner. That Schedule K-1 that lands in your mailbox fundamentally changes your financial picture, opening up sophisticated tax planning opportunities that are completely unavailable to a physician earning only a W-2 salary. The strategies that can save you five or six figures in tax are not intuitive, and most of us never learned them in training. This is about shifting from a reactive, “file-my-taxes” mindset to a proactive, “structure-my-income” one. For more foundational resources, see the full rheumatology free tools hub, but here we’ll focus on the high-impact tax strategies for practice owners.

Securing Your 20% QBI Deduction: AGI Management is Key

Most physicians have heard of the Qualified Business Income (QBI) deduction under Internal Revenue Code §199A, and most have been told they don’t qualify. For many high-earning specialists, that’s true. But for many rheumatologists, it’s a massive, missed opportunity. The rule provides a 20% deduction on pass-through income from businesses like your practice partnership. The catch? For “Specified Service Trades or Businesses” (SSTBs), which includes the practice of medicine, the deduction phases out and then disappears entirely once your taxable income exceeds certain thresholds.

For 2026, those thresholds are projected to be around $394,000 for single filers and $787,000 for those married filing jointly. While a neurosurgeon or orthopedic surgeon might blow past these limits easily, many rheumatologists, even with practice equity, can fall right into this phase-out zone. This is where strategic planning becomes critical. The goal isn’t just to earn more; it’s to manage your taxable income to stay under that cliff.

Here’s the how-to sequence:

  1. Calculate Your Proximity: Look at last year’s tax return. What was your taxable income? How close were you to the threshold? If your K-1 income was $150,000, a 20% QBI deduction is worth $30,000. That’s a tax savings of over $10,000 at a 35% marginal rate. It’s worth fighting for.
  2. Aggressively Lower Your AGI: Your taxable income is derived from your Adjusted Gross Income (AGI). Lowering your AGI is the most direct way to preserve the QBI deduction. The tools are likely already available to you:
    • Max Out Retirement Accounts: This is non-negotiable. Contribute the maximum to your 401(k) or 403(b). If you have 1099 income, use a Solo 401(k) or SEP-IRA to defer even more.
    • Fund Your HSA: A Health Savings Account is a powerful AGI-reduction tool. The family contribution limit for 2026 is $8,750.
    • Charitable Bunching: Instead of donating small amounts each year, “bunch” several years’ worth of donations into a single year into a Donor-Advised Fund (DAF). A $50,000 contribution to a DAF can pull your AGI down by that full amount, potentially saving your QBI deduction.
    • Tax-Loss Harvesting: Systematically sell losing positions in your taxable brokerage account to realize capital losses, which can offset up to $3,000 of ordinary income per year.

The Planning Trap: The most common trap is passive acceptance. Many physicians see their income is slightly above the threshold and assume the deduction is lost. They fail to realize that a $10,000 contribution to a 401(k) or a DAF could reduce their AGI enough to save a $30,000 deduction. You’re trading a $10,000 pre-tax investment for a $10,000+ tax savings. That’s an instantaneous 100% return.

Rescuing Lost Deductions: Your 1099 Side Gig as a Tax Shield

The Tax Cuts and Jobs Act of 2017 (TCJA) was a blow to W-2 employee physicians. It eliminated the miscellaneous itemized deduction for unreimbursed employee expenses. Overnight, you could no longer deduct costs your hospital or group didn’t cover: your CME travel, medical license and DEA renewals, board exam fees, journal subscriptions, or the portion of your cell phone bill used for work. These costs can easily add up to $5,000-$10,000 per year, and now they come straight out of your post-tax pocket.

The solution is to create a business. Any small amount of 1099 income—from telemedicine, medical-legal consulting, chart review, or a medical directorship—allows you to file a Schedule C, “Profit or Loss from Business.” This simple form re-opens the door to deducting all your “ordinary and necessary” professional expenses against that 1099 income.

Here’s how it works in practice:

  • Establish the Side Gig: You take on a few telemedicine shifts and earn $8,000 in 1099 income.
  • Track Your Expenses: Throughout the year, you meticulously track all the professional expenses your W-2 employer doesn’t reimburse. Let’s say it totals $7,000 (CME conference, flights, hotel, license renewals, a new laptop for work, etc.).
  • File Schedule C: On your tax return, you report $8,000 in revenue and $7,000 in expenses. Your net profit is only $1,000. You’ve effectively used your professional expenses to shield $7,000 of income from taxes. Without the side gig, you would have paid tax on the full $8,000 and received no deduction for the $7,000 in expenses.

The Planning Trap: The trap here is sloppy record-keeping. The IRS requires that these expenses be directly related to your business activity. You must keep separate records and not commingle personal and business funds. Use a dedicated credit card for all 1099-related expenses. The goal isn’t to create a loss (which can attract IRS scrutiny), but to legitimately offset income with the real costs of maintaining your professional standing—costs you’re already incurring but can’t otherwise deduct.

The Solo 401(k): Supercharging Your Retirement Savings with 1099 Income

Once you have that 1099 side income, you unlock one of the most powerful retirement savings vehicles available: the Solo 401(k). This isn’t just another retirement account; it’s a way to dramatically accelerate your tax-deferred savings far beyond the limits of a typical W-2 plan.

A Solo 401(k) allows you to contribute as both the “employee” and the “employer.”

  1. The Employee Contribution: You can contribute up to 100% of your 1099 compensation, up to the annual limit ($23,000 in 2024, indexed for inflation). This is the same limit as your W-2 401(k), and it’s a shared limit across all plans.
  2. The Employer Contribution: This is where the magic happens. As the “employer,” your business can contribute up to 20% of your net self-employment income.

The total combined contributions cannot exceed a ceiling, which was $69,000 in 2024. For a rheumatologist with a W-2 job who already maxed out their employee 401(k) contribution, the Solo 401(k) still allows for the full employer contribution based on their side-gig income. If you earn $100,000 from a medical directorship, you can contribute roughly $18,600 (20% of net adjusted self-employment income) as an employer contribution, all pre-tax. This is pure, additional tax-deferred savings space.

The Planning Trap: The biggest mistake is the “SEP-IRA trap.” Many accountants default to recommending a SEP-IRA for self-employment income. While simpler to set up, a SEP-IRA can block your ability to make “backdoor” Roth IRA contributions. If you have any money in a SEP-IRA, the pro-rata rule forces any Roth conversion to be partially taxable. A Solo 401(k) does not have this problem. It keeps the path to tax-free Roth growth wide open. If you have existing SEP-IRA or traditional IRA balances, a good physician-focused CPA can help you roll those funds into a Solo 401(k) to clean up your accounts and re-enable the backdoor Roth strategy.

The HSA Triple-Stack: Your Stealth Retirement Account

The Health Savings Account (HSA) is the most tax-advantaged account in the entire US tax code, yet most physicians treat it like a simple checking account for medical bills. This is a profound misunderstanding of its power. The HSA offers a unique triple tax benefit:

  1. Contributions are tax-deductible (reducing your AGI).
  2. The money grows tax-free inside the account.
  3. Withdrawals are tax-free for qualified medical expenses.

The optimal strategy for a high-income physician is not to spend from the HSA but to use it as a long-term investment vehicle—a “stealth IRA.”

Here is the triple-stacking sequence:

  1. Max It Out: Contribute the maximum family amount every single year ($8,750 for 2026). Do this without fail.
  2. Invest It: As soon as the money hits the account, invest it in low-cost, broad-market index funds. Do not let it sit in cash. The goal is long-term, tax-free growth.
  3. Save Receipts, Don’t Spend: Pay for all current medical expenses out-of-pocket with post-tax dollars. Scan and save every single medical, dental, and vision receipt in a dedicated digital folder (e.g., Dropbox, Google Drive). These receipts never expire.

Decades from now, in retirement, you will have a massive, tax-free investment account. You can then “reimburse” yourself for all those saved receipts from 20, 30, or 40 years prior. That withdrawal is completely tax-free. It functions as a tax-free emergency fund or a source of income to cover living expenses in retirement, backed by decades of accumulated medical bills. If you never need the money for medical costs, it functions like a traditional IRA after age 65—withdrawals are taxed as ordinary income, but you still benefited from decades of tax-free growth.

The Planning Trap: The trap is using the HSA for small, routine expenses. When you use your HSA to pay for a $50 copay, you are not just spending $50. You are spending a future $500 or $1,000 that the initial $50 could have grown into, tax-free, over several decades. Think of every dollar in your HSA as a seed for future tax-free wealth, not as a debit card for today’s prescriptions.

Cost Segregation: Front-Loading Tax Deductions on Your Practice Real Estate

If you own the building that houses your practice or infusion center, you are likely sitting on one of the most significant tax-deferral strategies in real estate: the cost segregation study. When you buy a commercial property, the standard depreciation schedule is 39 years. This means you get to deduct 1/39th of the building’s value from your taxable income each year. It’s a slow, steady trickle of tax benefits.

A cost segregation study is an engineering-based analysis that breaks the property down into its component parts and reclassifies them into shorter depreciation schedules. Instead of treating the entire building as a single 39-year asset, it identifies components that can be depreciated much faster:

  • 5-Year Property: Carpeting, cabinetry, specialty electrical wiring for medical equipment, decorative lighting.
  • 7-Year Property: Office furniture and equipment.
  • 15-Year Property: Land improvements like parking lots, landscaping, and sidewalks.

By reclassifying, say, 25% of a $2 million building’s value ($500,000) from a 39-year schedule to a 5-year schedule, you can dramatically accelerate your depreciation deductions. This front-loads your tax savings into the early years of ownership, creating a massive paper loss that can offset your active K-1 income from the practice.

When combined with bonus depreciation (which has allowed for 100% deduction of certain assets in the first year, though this is phasing down), a cost segregation study can sometimes generate a year-one deduction equal to 20-30% of the property’s purchase price. This can create a significant tax refund or eliminate your tax liability for the year, freeing up substantial cash flow for investment or debt reduction. You can model different scenarios using a real estate investing calculator to see the potential impact on cash flow.

The Planning Trap: The trap is thinking this is only for institutional investors. Any physician who owns their medical office building, even in a partnership, can and should commission a cost segregation study. The cost of the study (typically a few thousand dollars) is almost always dwarfed by the net present value of the tax savings it generates in the first few years. It’s an essential tool for any physician-owner of commercial real estate.

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