Who can inject

MD, DO, NP, PA, RN under physician supervision/delegation

Registered nurses (RNs)

Yes, under physician delegation and supervision

Nurse practitioners & physician assistants

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

The exam that makes it legal

Required; in-person or telehealth permitted 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; facility protocols recommended.

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 →