Who can inject
MD/DO, NP/PA with physician collaboration, RN under physician delegation
Registered nurses (RNs)
Yes, under physician delegation; specific training/protocols required
Nurse practitioners & physician assistants
Require physician collaboration for medical spa injections
The exam that makes it legal
Required; in-person exam before treatment A valid order or good-faith exam by an authorized provider is what makes an injection lawful — not simply who holds the syringe.
Training expected
No state-mandated injector training beyond licensure; however, documented training and competency assessment recommended.
What to verify in Wisconsin
Establish written delegation agreements with your medical director specifying RN/staff injector scope and ensure compliance with Wisconsin nursing board standards.
Primary source: Wisconsin Medical Examining Board, Wisconsin Board of Nursing
General business information for Wisconsin medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Wisconsin board (and your own counsel) before you act.