Officers were called to the emergency room entrance of the hospital at 7 a.m. Friday.
PHOTOS: Body found in car outside hospital
A body was found in a car parked near the entrance, which is located at 1 Medical Boulevard.
There was no immediate word on the gender of the person found.
RAW VIDEO: Body found in car outside hospital
The Delaware County Coroner's Office is working to determine the cause of death.
Action News is told the hospital continued to operate normally as police began their investigation.