The incident took place at the intersection of Boyne Avenue & Ann Street and the dog involved is described as a dalmatian.
At the time it was being walked on a leash by an older male.
HPPH says it is investigating to verify the dog is up-to-date on its rabies vaccination.
If not found, the person bitten may need to complete a series of rabies shots.
Anyone with information about the dog is asked to contact HPPH at 1-888-221-2133 ext. 3670.