A prior authorization pharmacist works specifically with the pre-approval process of filling prescribed medication orders to ensure the proper insurance coverage and efficacy for the drugs used. In this career, you work with patients as well as clinical staff, who relay prescription information from a provider. Your duties include answering questions and concerns about new medications, explaining proper usage and doses, and advising about precautions. Other responsibilities involve processing paperwork, overseeing inventory management, and supervising technicians.