Massachusetts Controlled Substances Registration (MCSR)

Massachusetts Controlled Substances Registration

We register those who manufacture, distribute, dispense, possess, prescribe, or administer controlled substances. In Massachusetts, "controlled substances" includes all prescription drug products.


239 Causeway St., Suite 500, Boston, MA 02114


(617) 753-8233

Who we serve

MCSRs are issued to:

  • Health care facilities
  • Manufacturers
  • Distributors
  • Municipalities and public agencies
  • Schools
  • Ambulances
  • Analytical laboratories
  • Community-based programs and other entities
  • Individual health care providers and researchers

Image credits:  Doctor with form (Shutterstock);  Stethoscope (Shutterstock)


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