Registered nurses (RNs)
Yes, under physician delegation and supervision
Nurse practitioners & physician assistants
Requires physician collaboration/supervision for injections
Supervision & the medical director
Recommended; not universally mandated but expected for liability and compliance
The exam requirement
Required; in-person preferred, telehealth varies by board interpretation
What to verify in Maryland
Verify with Maryland Board of Physicians whether your proposed ownership/delegation model complies with current guidance on RN and NP/PA scope.
Primary source: Maryland Board of Physicians
General business information for Maryland medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Maryland board (and your own counsel) before you act.