Registered nurses (RNs)

Yes, under physician delegation and supervision

Nurse practitioners & physician assistants

Require physician collaboration/supervision for injections

Supervision & the medical director

Required for medical spa operations

The exam requirement

Required; in-person preferred, telehealth conditional

What to verify in Maryland

Verify medical director credentials and ensure physician supervision protocols are documented in writing.

Primary source: Maryland Board of Physicians; 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 →