Who can inject
MD, DO, NP, PA, RN under physician supervision
Registered nurses (RNs)
Yes, under physician delegation and standing orders
Nurse practitioners & physician assistants
NP/PA may inject under physician collaboration; independent practice not permitted for injectables
The exam that makes it legal
Required; in-person exam mandatory 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 New Hampshire
Secure a licensed physician as medical director and ensure all injectable protocols are documented in writing with standing orders.
Primary source: New Hampshire Board of Medicine; New Hampshire Board of Nursing
General business information for New Hampshire medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the New Hampshire board (and your own counsel) before you act.