Physician Assistants
CPSO begins regulating physician assistants effective April 1, 2025. Explore the sections below to learn more

Regulation of Physician Assistants
Learn more about what physician assistants do, why they are now regulated in Ontario, when this regulation came into effect, and more.
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Delegation to Physician Assistants
Learn more about the rules around how and when physicians can delegate a controlled act to a physician assistant, why sub-delegation is prohibited, and more.
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Physician Assistant Registration
Interested in registering to be a physician assistant in Ontario? Learn how you can apply for licensure, what documents you’ll need, and more.
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Being a CPSO Registrant
Learn about a physician assistant's continuing professional development obligations, requirements around professional liability insurance, and other aspects of being regulated by CPSO.
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