Police investigate possible drive-by shooting after man arrives at Sydney hospital with gunshot wound in leg

Police are appealing for information after a man turned up to a hospital in Sydney's west with a gunshot wound.

The 29-year-old attended Canterbury Hospital early on Saturday morning after being shot in the lower leg, police say.

Twenty-five minuter later, police were called to Frances Street, South Wentworthville following reports of gunshots being heard.

Police are investigating whether the two incidents are linked.

Anyone with information is urged to contact Crime Stoppers on 1800 333 00.

With AAP.