There are 326 physicians, 118 nurse practitioners, and 1 physician assistant certified with the state of Massachusetts to issue medical marijuana certifications to qualifying patients as of January 2024. MPAA has a comprehensive list of healthcare providers on our website who can certify patients for the medical marijuana program. The Cannabis Control Commission is unable release the complete list due to privacy protections in state law. Our website discloses healthcare providers and clinician groups who publicly advertise their services. Please visit the “Access” tab of our website for our list of Massachusetts medical marijuana clinicians.