Frequently asked questions What are the medical marijuana laws in Maryland? Here is an overview of the medical marijuana laws in Maryland: 2014 – House Bill 881 (HB 881) is approved by Governor Martin O’Malley. This tasked the Maryland Department of Health and Mental Hygiene and the Natalie M. LaPrade Medical Marijuana Commission with developing regulations for patients and dispensaries, including licensing, fees and possession limits. 2016 – The Natalie M. LaPrade Medical Marijuana Commission is allowed to issue the number of dispensary licenses available. 2017 – Doctors and nurses may make a medical marijuana certificate as long as they are licensed by the Maryland Board of Nursing, Maryland Board of Physicians, the Podiatrist Medical Examiners or the Maryland Board of Dental Examiners. Registry is mandatory for providers in order to start issuing medical marijuana cards. 2020 – Caregiver program is established.