Massachusetts Controlled Substances Registration (MCSR)

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

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Contact Us

Address

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

Fax

(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

Massachusetts General Laws, Chapter 94C, section 7 and regulations of the Department of Public Health at 105 CMR 700.004 require every person who manufacturers, distributes, prescribes, administers, dispenses or possesses controlled substances in Schedules II-V to be registered with both the Department of Public Health (Massachusetts Controlled Substance Registration (MCSR)) and US Drug Enforcement Administration (DEA). Additionally, Massachusetts law recognizes prescription drugs that are not federally scheduled (Schedule VI) as controlled substances. Practitioners who only plan to manufacture, distribute, dispense, prescribe, administer, or possess Schedule VI drugs only need to get an MCSR (and not a DEA number).

You must get both your DEA number and MCSR to conduct approved activities with controlled substances in Schedules II through V. Your DEA and MCSR registrations must be for the same Schedules.

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