Tigger Carroll, 42, was last seen at about 5.15am, Friday, November 29, on Hebden Road, near Lake Liddell.

He has not been seen since.

Police and family have concerns for his welfare due to a medical condition.

Anyone with information on where he might be is urged to contact Muswellbrook Police Station on 02 6542 6999 or Crime Stoppers on 1800 333 000 or online.

The public is reminded not to report crime via NSW Police social media pages.