Who can inject
MD/DO, NP/PA under physician supervision, RN under physician delegation
Registered nurses (RNs)
Yes, under direct physician delegation and supervision
Nurse practitioners & physician assistants
Requires physician collaboration and supervision
The exam that makes it legal
Required, in-person preferred 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 Mississippi
Verify physician medical director is licensed in Mississippi and maintains active malpractice coverage.
Primary source: Mississippi State Board of Medical Licensure
General business information for Mississippi medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Mississippi board (and your own counsel) before you act.