Registered nurses (RNs)

Yes, under physician delegation and supervision

Nurse practitioners & physician assistants

NP/PA may inject under physician collaboration; independent practice limited

Supervision & the medical director

Required for RN/LPN injectors; physician supervision mandatory

The exam requirement

Required; in-person or telehealth permitted

What to verify in Maryland

Establish clear physician delegation protocols and ensure medical director oversight for all injector staff.

Primary source: Maryland Medical Board; Board of Nursing

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.

See the full Maryland regulation profile →