Stefan Pavlovic, 35, was last seen leaving Royal North Shore Hospital
A search is underway in Sydney's north after a man escaped a hospital at 3am on foot and hasn't been seen since.
Stefan Pavlovic, 35, was last spotted leaving Royal North Shore Hospital in the early hours of the morning on August 12.
Mr Pavlovic's family are seriously concerned for him as he has a medical condition that needs tending to.
Officers from North Shore Police Area Command are searching for the man after being notified of his disappearance.
Mr Pavlovic is of Caucasian appearance, about 180cm tall and of medium build with shoulder length brown hair and brown eyes.
Police say he may be travelling in a red Ford Laser sedan with registration plates DWB 18Q and anyone with information is urged to contact police.
Police and the man's family are seriously concerned for Mr Pavlovic's well-being as he has a medical condition (Pictured Royal North Shore Hospital)