Most dental hygienists should legally be classified as W-2 employees rather than 1099 contractors, even for single-day assignments, because state supervision requirements typically disqualify them from independent contractor status and misclassification exposes dental practices to significant back taxes, penalties, and U.S. Department of Labor audits.
- Supervision requirement: Because most states require hygienists to work under a licensed dentist's direct supervision, this alone typically disqualifies them from true 1099 contractor status regardless of work frequency.
- Financial consequences: Misclassified hygienists face unexpected tax bills at filing time with no withholding or matched Social Security contributions while dentists risk back taxes, penalties, and broader practice audits.
- State-by-state variation: Classification rules differ significantly by state. Tennessee requires direct supervision while Colorado allows some independent practice, making jurisdiction-specific analysis critical.
It's a scenario that plays out in dental practices constantly: A hygienist calls out sick, and the office brings in someone to cover for the day. The hygienist is paid a flat rate -- there is no paperwork and no withholding. It feels simple. According to compliance consultant and attorney Olivia Wann, it's one of the most common misclassification mistakes dental practices make.
In this episode of The DrBicuspid.com Podcast, host Kevin Henry talks with Wann, who splits her time between dental compliance consulting and practicing law, about why most temporary and fill-in hygienists should legally be classified as hourly W-2 employees rather than 1099 contractors, even if they're only working a single day.
Olivia Wann.Olivia Wann.
Wann walks through the IRS test at the center of the issue: whether a worker operates under direct or indirect supervision.
Because most states require hygienists to work under a licensed dentist's supervision, that alone typically disqualifies them from true independent contractor status, regardless of how infrequently they work. Wann cites her home state of Tennessee, which requires direct or general supervision, and Colorado, where some hygienists can practice independently, to illustrate how much this analysis shifts from state to state.
The financial stakes cut both ways. Wann explains that misclassified hygienists can owe unexpected taxes at filing time, since nothing was withheld and their Social Security contributions weren't matched. Dentists face back taxes, penalties, and the risk that one misclassified file can trigger a broader U.S. Department of Labor audit.
Wann also offers practical guidance for practices navigating short-term staffing needs: Working with a professional temp agency shifts much of the compliance burden since the agency, not the practice, handles the employment classification.
For practices without access to a temp agency, she recommends clear language in employee handbooks distinguishing full-time, part-time, and temporary roles, along with job descriptions that mirror each state's defined scope of duties.
Wann's advice for practice owners heading into the fourth quarter: Audit how every nonpermanent worker is currently classified. When in doubt, consult an accountant or payroll specialist before assuming a flat day rate is the simpler, safer option.
Olivia Wann can be reached through her compliance consulting firm at modernpracticesolutions.com or her law practice at oliviawann.com.
Listen to the full conversation below.
