Who can inject
MD/DO, NP/PA under physician supervision, RN under physician delegation
Registered nurses (RNs)
Yes, under physician delegation and supervision
Nurse practitioners & physician assistants
Requires physician supervision; independent practice not permitted for injections
The exam that makes it legal
Required; in-person preferred, telehealth case-by-case 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
Establish written delegation and supervision agreements with your medical director and verify compliance with Montana Board of Nursing and Medical Board interpretations.
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.