Physician Assistant
A physician assistant (PA), also known as a physician associate, practice medicine under the supervision of physicians and surgeons. They are formally trained to provide diagnostic, therapeutic, and preventive healthcare services, as delegated by a physician. PAs record progress notes, instruct and counsel patients, and order or carry out therapy. Physician assistants also may prescribe certain medications. In some establishments, a PA is responsible for managerial duties, such as ordering medical supplies or equipment and supervising medical technicians and assistants.