Physician Assistant Career Guide

By MedXL Editorial Team · Updated 2026-08-26 · 6 min read

Physician assistants (called physician associates in some jurisdictions) are medically trained clinicians who diagnose illness, develop treatment plans, and prescribe medication as part of physician-led teams. The profession offers broad medical training, the flexibility to change specialties without retraining, and a shorter path to practice than medical school. Here is how the career works in the United States and Canada, from prerequisites to senior roles.

PAs practice medicine in collaboration with physicians, with the degree of autonomy shaped by jurisdiction, employer policy, and experience. In many practices, an experienced PA manages their own patient panel or runs a service alongside physicians who are available for consultation.

Core responsibilities typically include:

In this guide

What physician assistants do
Education and typical pathway
United States
Canada
Licensure and certification
United States
Canada
Where PAs work
Advancement paths
Building a competitive application
Finding PA roles
Key takeaways