HB 275 -- Prescriptive Authority for Physician Assistants Sponsor: Sater This bill allows physician assistants, when delegated through a physician supervision agreement, to prescribe Schedule III, IV, and V controlled substances. Supervising physicians retain the right to limit specific drugs or schedules a physician assistant may prescribe. Physician assistants are prohibited from prescribing controlled substances to themselves or family members and are limited to prescribing a 124-hour supply of Schedule III drugs without a refill. Physician assistants who are authorized to prescribe must register with the federal Drug Enforcement Administration and the federal Bureau of Narcotics and Dangerous Drugs.Copyright (c) Missouri House of Representatives