Physician Professional Corporation (PC) Double Tax 2026 Calculator

A Physician Professional Corporation (PC) taxed as a C-corp is one of the most expensive entity choices in US tax law. Under IRC §269A(b), a physician PC is a Personal Service Corporation (PSC) — and under IRC §11(b)(2) plus §448(d)(2), PSCs pay a flat 35% federal corporate tax rate on retained earnings instead of the 21% rate available to regular C-corps. On top of that, salary is subject to FICA at 15.3% combined (employer 7.65% + employee 7.65%), and any dividend distribution is taxed again at the qualified dividend rate (20%) plus 3.8% Net Investment Income Tax (NIIT) — the classic "double tax." Retain too much cash and the IRS adds a 20% Accumulated Earnings Tax under IRC §531. Last updated May 2026.

Why Physician PCs Get Hit With 35% Corporate Rate

Most C-corps pay 21% federal tax under IRC §11. But IRC §11(b)(2) carves out an exception: Personal Service Corporations (PSCs) pay 35%. A PSC is defined under IRC §448(d)(2) and §269A as a corporation whose principal activity is performing services in health, law, engineering, architecture, accounting, actuarial science, performing arts, or consulting — and substantially all stock is owned by employee-owners performing those services. Physician PCs almost always qualify. The 35% rate is non-graduated and applies from dollar one of retained income. This is why most modern physician practices elect S-corp status (Form 2553) — to bypass the PSC penalty entirely and have profits flow through to the personal 1040.

The Double Tax — How Salary vs Dividend Stack

Take a $600,000 PC. Pay yourself $400,000 salary: the corp deducts it, you owe roughly $52K in income tax + $30K combined FICA (employer pays half) + 0.9% additional Medicare above $200K. The remaining $200,000 stays in the corp and gets hit with 35% federal + state corporate tax (~41% combined). Distribute that $118,000 as a dividend? It's taxed AGAIN at 23.8% (20% qualified rate + 3.8% NIIT) — leaving $90,000 in your pocket. That's an effective 55% combined tax on the retained portion — far worse than the 37% top individual rate. The fix is to drain net income to zero through salary, retirement contributions, and benefits before year-end.

IRC §531 Accumulated Earnings Tax — The Hidden 20% Penalty

IRC §531 imposes a 20% penalty tax on corporate earnings accumulated beyond the reasonable needs of the business. For PSCs, the safe-harbor "reasonable needs" cap is $150,000 (versus $250,000 for non-PSCs) under IRC §535(c)(2)(B). If your physician PC retains more than $150,000 cumulatively without a documented business plan (e.g., equipment purchase, new location, working capital), the IRS can assess §531 AET on top of the 35% corporate tax. Combined with NIIT, this means retained earnings effectively become triple-taxed. Solution: distribute promptly, fund qualified plans, or pay bonuses to zero out the PC at year-end.

S-Corp vs C-Corp Physician PC — When To Convert

The C-corp PSC structure makes sense only in narrow cases: (1) hospital-owned employed-physician group where corporate fringe benefits (medical reimbursement plans, group life, disability) are valuable; (2) when the practice plans large equipment purchases and wants to deduct depreciation against retained earnings; or (3) historical structure that's expensive to unwind because of built-in gains tax. For 95% of independent physician PCs, S-corp election eliminates the 35% PSC rate, the §531 AET risk, and the double-tax on dividends. Reasonable compensation requirements still apply, but the pass-through path is dramatically cheaper. File Form 2553 by March 15 to elect S-corp status for the current tax year. Cite IRC §11, §269A, §448(d)(2), §531, and Form 2553 in your decision memo.