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Physician Assistants

CPSO will begin regulating physician assistants effective April 1, 2025. Explore the sections below to learn more.

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Regulation of PAs

Learn more about what physician assistants do, why they are now being regulated in Ontario, when this regulation will come into effect, and more.


Delegation to PAs

Learn more about the rules around how and when physicians can delegate a controlled act to a PA, why sub-delegation is prohibited, and more.


PA Registration

Interested in registering to be a physician assistant in Ontario? Learn how and when you can apply for licensure, what documents you’ll need, and more.


Being a CPSO Registrant

In this section, physician assistants can learn about continuing professional development obligations, requirements around professional liability insurance, and other aspects of being regulated by CPSO.