Who can inject
MD/DO, NP/PA independently or with physician collaboration, RN under NP/PA/physician delegation
Registered nurses (RNs)
Yes, under NP/PA or physician delegation; limited independent authority
Nurse practitioners & physician assistants
May practice independently or with physician collaboration; broad scope
The exam that makes it legal
Required; in-person or telehealth allowed 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 Montana
Clarify whether your NP/PA will practice independently or under physician collaboration, and document scope of practice and delegation clearly.
Primary source: Montana Board of Nursing and Montana Medical Board
General business information for Montana medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Montana board (and your own counsel) before you act.