Who can inject
MD, DO, NP, PA, RN, LPN under appropriate supervision
Registered nurses (RNs)
Yes, RN may inject under NP/PA/MD supervision; LPN scope more limited
Nurse practitioners & physician assistants
NP/PA may practice and inject with physician collaboration; independent practice permitted in some contexts
The exam that makes it legal
Required; in-person or telehealth permitted 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
What to verify in Arizona
Ensure written protocols for RN/LPN supervision and document physician collaboration agreements, but Arizona's permissive framework allows significant operational flexibility.
Primary source: Arizona Medical Board; Arizona Board of Nursing
General business information for Arizona medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Arizona board (and your own counsel) before you act.