The shooting happened just after 4:22 a.m. Saturday in the area of Tomken Road and Eglinton Avenue East.
The victim was shot in the upper torso but was able to make his way to a nearby gas station to call for help.
The man was taken to hospital with non-life threatening injuries.
Police say there are currently no known suspects and the victim has not been cooperating.
Anyone with information is asked to call Peel police or Crime Stoppers.