Physicians are highly trained professionals who exercise independent judgment. So practices often assume that any physician they pay is an independent contractor. That assumption confuses clinical independence with tax independence. The IRS does not care that the doctor decides which antibiotic to prescribe. It cares who sets the schedule, who owns the practice, who bills the patient and who bears the risk.
The general test
For federal employment taxes, IRC 3121(d)(2) treats as an employee any individual who has employee status under the usual common law rules. The IRS's guidance groups the evidence into behavioral control, financial control and the type of relationship, and tells businesses to look at the entire relationship and the extent of the right to direct and control the worker. No single factor decides it.
In medicine, the clinical judgment of a licensed professional does not by itself make the clinician a contractor. Professional employees exercise judgment every day. What the IRS weighs is the business side of the relationship.
Facts that point toward employee status
- The practice sets the clinic schedule and assigns patients.
- The practice bills and collects for the services, sets the fees and keeps the revenue.
- The practice supplies the office, equipment, staff, malpractice coverage and EHR access.
- The clinician works regular hours, for one practice, indefinitely.
- The clinician is paid by the hour or shift with no risk of loss.
- The clinician's services are a key part of the practice's regular business.
Facts that point toward independent contractor status
- The clinician has an independent practice with other clients or facilities.
- The clinician sets her own availability and can decline assignments.
- The clinician bills under her own entity, carries her own coverage and bears her own expenses.
- The engagement is for a defined project or coverage period.
Physician assistants and nurse practitioners who work regular shifts in one clinic under the practice's protocols, schedule and supervision present a stronger employee profile than a physician who covers a few weekends a year for several groups.
Physician owners of a professional corporation
There is a statutory rule that ends the debate for many practice owners. IRC 3121(d)(1) says the term employee includes any officer of a corporation. A physician who owns a professional corporation, serves as its officer and performs services for it is an employee of the corporation for FICA purposes, whether the corporation is taxed as a C corporation or an S corporation.
That means the physician-owner's pay for services should run through payroll on a Form W-2. Paying an officer-physician entirely through distributions or a 1099 is a classification problem in its own right. How much of an S corporation owner's pay must be wages is a reasonable compensation question that is outside this guide, but the starting point is that the officer is an employee.
What getting it wrong costs
When a practice fails to withhold because it treated an employee as a nonemployee, IRC 3509 often limits its liability for income tax withholding and the employee share of FICA to reduced rates:
| Situation | Income tax withholding | Employee FICA |
|---|---|---|
| Required 1099s filed (section 3509(a)) | 1.5% of wages | 20% of the employee FICA amount |
| Reporting requirements not met, no reasonable cause (section 3509(b)) | 3% of wages | 40% of the employee FICA amount |
The reduced rates do not apply if the liability results from intentional disregard of the withholding requirements. The practice cannot recover the tax from the clinician. And the practice still owes its own share of FICA under IRC 3111.
For high-earning clinicians, the numbers get large quickly, which is why the 1099 matters so much. Filing the forms is the difference between the two rows of that table.
Defenses and fixes
Section 530 relief
Section 530 of the Revenue Act of 1978 can relieve a business of federal employment tax liability if it filed all required information returns consistent with contractor treatment, treated all similarly situated workers the same way, and had a reasonable basis, such as judicial precedent, a prior IRS audit of the same class of workers or a long-standing recognized practice of a significant segment of the industry. A practice that has W-2 nurse practitioners and 1099 nurse practitioners doing the same job will struggle with the consistency requirement.
The Voluntary Classification Settlement Program
A practice that wants to move contractors to payroll going forward can apply to the VCSP on Form 8952 at least 120 days before it begins treating them as employees. According to the IRS's VCSP page, the practice must currently treat the workers as nonemployees, must have filed all required Forms 1099 for them for the previous three years, and cannot be under an IRS employment tax audit or a Department of Labor or state classification audit. The payment is 10 percent of the employment tax liability for the most recent tax year computed under the reduced rates of IRC 3509(a), with no interest or penalties, and the practice receives audit protection on those workers for prior years.
Form SS-8
Either the practice or the clinician can file Form SS-8 to ask the IRS for a determination of worker status for federal employment tax and income tax withholding. A clinician who leaves on bad terms may file one. Plan as if any 1099 provider can ask that question.
We cover these tools in more depth in our worker classification guide; the federal rules are the same for a medical practice as for a contractor.
Reporting what you pay
If a clinician really is an independent contractor, the practice must report the payments. The 2026 Form 1099 instructions describe box 6 of Form 1099-MISC for medical and health care payments of $2,000 or more to physicians and other providers, and Form 1099-NEC for payments to independent contractors generally. Employee wages go on Form W-2. Get a Form W-9 before the first payment, and see our guide to medical 1099 reporting and mismatches.
Paper that matches reality
An independent contractor agreement does not decide status, but a bad one can hurt. If the contract says the practice sets the schedule, assigns patients, provides all equipment and can terminate at will, the practice has written the employee case for the IRS. If the arrangement really is independent, the agreement should describe it accurately: the clinician's own entity, own coverage, freedom to accept or decline shifts, other engagements and the way fees are set.
Then make sure the day-to-day matches the paper. Examiners ask the clinicians and the office staff how things actually work. When the contract says one thing and the front desk says another, the front desk wins.
One more point for growing practices: classification decisions tend to get copied. The arrangement you set up for the first part-time physician often becomes the template for the next five. Get the first one right and the rest follow; get it wrong and the exposure multiplies with every new hire.
A practical review
- List every clinician paid outside payroll in the last three years.
- For each, document who controls scheduling, billing, fees, equipment, coverage and supervision.
- Check consistency with W-2 clinicians in the same roles.
- Confirm that physician-owners who are corporate officers are on payroll for their services.
- Confirm every required 1099 was filed on time.
- Decide whether to restructure, apply to VCSP or document a reasonable basis.
Classification is one of several issues examiners raise with practices; see our guide to medical practice audits. If an employment tax examination is already underway, the firm's payroll tax page explains how it approaches those cases.
Medical judgment is not the test. Control of the business is. Put the analysis in writing before the IRS writes its own.