Q: Do I need a special certificate or license, in addition to a Drug Enforcement Administration (DEA) registration number to prescribe controlled substances? A: Your DEA registration is sufficient to prescribe controlled substances that are within the scope of practice and listed on the formulary compendium.
Medical marijuana now legal in 24 states. Pennsylvania just became the 24th U.S. state to legalize medical marijuana. Governor Tom Wolf approved the measure Sunday, allowing the sale and consumption of cannabis for treating specific diseases or symptoms.
Currently there are no state programs of legal access to marijuana for medical purposes. In 1996, California and Arizona passed statewide voter initiatives that legalize marijuana for medical purposes in those states. The Arizona initiative was overturned by the state legislature.