One of the most common compliance issues I see with med spa clients involves worker classification. The question comes up constantly: Should my injector be a W-2 employee or a 1099 independent contractor?
I addressed this topic on the Medical Spa Insider podcast because it’s a critical area where med spa owners frequently get tripped up. The penalties for misclassification are steep, and the IRS pays close attention to industries like ours where the line between employee and contractor can feel blurry.
Let me break down what you need to know to get this right.
Why Classification Matters
When you hire someone as a W-2 employee, you’re responsible for withholding federal and state income taxes, paying Social Security and Medicare taxes (and matching the employee’s contribution), paying unemployment taxes, and providing any benefits your practice offers.
When you pay someone as a 1099 independent contractor, none of those responsibilities apply. The contractor handles their own taxes, provides their own benefits, and operates as their own business entity.
You can see why it might be tempting to classify providers as contractors. But here’s the problem: you don’t get to decide based on what’s convenient. The IRS has specific criteria, and if you get it wrong, the consequences are significant.
The IRS Test: Three Categories That Determine Classification
The IRS uses what’s called the “common law test” to determine whether someone is an employee or contractor. It examines three categories of evidence:
Behavioral Control: Does your practice control how the work is done? If you’re providing detailed instructions, requiring specific procedures, setting schedules, or providing training on how to perform treatments, that points toward employee status.
Financial Control: Who controls the business aspects of the work? If you provide the equipment, supplies, and treatment rooms—and the provider doesn’t have significant unreimbursed expenses or investment in their own tools—that suggests an employee relationship.
Type of Relationship: Is this an ongoing arrangement with benefits, or a project-based engagement? Is the work performed a key aspect of your business? For injectors and aestheticians at a med spa, the answer is obviously yes—their services are central to what you do.
The Real Question for Med Spas
When I discuss this with med spa owners, I ask one key question: Is this provider exclusively working for you, or are they actually part-time and working other places as well?
If an injector works exclusively at your practice, uses your equipment, follows your protocols, and sees patients you schedule for them—they’re almost certainly an employee, regardless of what you’ve written in a contract.
A true independent contractor typically works for multiple clients, sets their own schedule, provides their own equipment, and has a genuine business operation separate from yours. They’re hired to accomplish a specific result using their own methods.
Simply calling someone a contractor on paper doesn’t make them one in the eyes of the IRS.
The Cost of Getting It Wrong
The penalties for misclassification are substantial. If you’ve been treating an employee as an independent contractor, you could be liable for:
Back employment taxes you should have withheld, plus your employer share of payroll taxes. Penalties of 1.5% to 3% of wages for failing to withhold income tax. Penalties of 20% to 40% of the employee’s share of FICA taxes. Interest on all unpaid amounts. Potential state-level penalties on top of federal penalties.
Beyond the financial hit, misclassification audits are disruptive and stressful. The IRS specifically watches for patterns common in industries like ours, so this is an area where you want to be airtight.
What To Do If You’re Unsure
If you’re uncertain about how to classify a worker, you have a few options:
Err on the side of caution. When in doubt, classify the worker as an employee. The cost of paying employer taxes is far less than the penalties for misclassification.
Request an IRS determination. You can file Form SS-8 to ask the IRS to officially determine a worker’s status. Be aware this can take six months or longer.
Use the Voluntary Classification Settlement Program. If you’ve been misclassifying workers and want to correct the issue, the IRS offers a program that allows you to reclassify prospectively with reduced penalties.
Work with professionals who understand the med spa industry. This is one of the reasons we recommend working with an accounting team familiar with medical aesthetics. At Liguori Accounting, we help med spa owners navigate these compliance questions before they become problems.
The Bottom Line
Worker classification isn’t something to figure out retroactively. Build it into your hiring process from day one. Understand that the IRS looks at the actual working relationship—not just what’s written in a contract.
If you’re bringing on injectors or aestheticians and you control when, where, and how they work, they’re employees. Structure your practice accordingly and stay compliant.
Have questions about classification or other compliance issues at your med spa? Reach out to our team—we’re here to help you build a practice that’s both profitable and compliant.
Nick Liguori, CPA
Founder, Liguori Accounting
