Ownership rules
Physician-only or physician-controlled; non-physicians cannot own medspas offering injections
Corporate Practice of Medicine
Strict; Corporate Practice of Medicine doctrine enforced—physician ownership or direct control required
The medical-director angle
Required; physician must be on-site or have direct oversight Ownership and the medical-director requirement are usually two sides of the same compliance coin.
What to verify in Massachusetts
Ensure a licensed Massachusetts physician owns or has controlling interest in the medspa; non-physician ownership is not permitted for injection-based practices.
Primary source: Massachusetts Medical Board
General business information for Massachusetts medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Massachusetts board (and your own counsel) before you act.