A physician assistant (PA) is a health care professional who works with doctors and gives medical treatment. You can find physician assistants in virtually all primary care and specialty medical fields. A PA’s duties can vary, depending on the supervising doctor.

A physician assistant or physician associate (PA) is a type of healthcare professional. While these job titles are used internationally, there is significant variation in training and scope of practice from country to country, and sometimes between smaller jurisdictions such as states or provinces.