Police are appealing for public assistance following two burglaries at the same business in Maribyrnong.
Investigators believe a male offender entered a medical clinic on Edgewater Boulevard about 8.35pm on September 10 and again at about 7.30pm on October 15.
On both occasions the man entered a room and stole prescription medications, placing them in a green reusable shopping bag before fleeing the scene.
Investigators have released images and CCTV of the man they believe is responsible.
He is described as 185cm tall with brown wavy hair and of medium build.
He was wearing a black North Face puffer jacket, blue jeans with holes and grey runners at the time of the offences.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or visit www.crimestoppersvic.com.au