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Physicians in Ontario

Physicians in Ontario (PIO) annual reports are the most comprehensive source of information on the demographics and distribution of physicians in active practice in Ontario and are derived from the Active Physician Registry.

Physician numbers in PIO annual reports have an effective annual census date of December 31st.

The Active Physician Registry is compiled annually using multiple data sources which are acquired through explicit data sharing agreements. In addition, OPRC conducts a physician survey and other research to validate practice location, actual specialty of practice and activity level.

Physicians who have ceased practice or left the province as of December 31 are flagged, new physicians are added, physicians who have returned to practice are reactivated, and new physician location and specialty information is integrated. Historical information on Ontario physicians is maintained to permit long-term analyses of trends in physician availability.

Annual reports of Physicians in Ontario are published on our website. Custom reports on specific data elements and reports spanning two or more years can also be prepared upon request.