Police are appealing for public assistance to help locate missing man Allan.
He was last seen on Melaleuca Drive in Clarinda about 7pm on Sunday, 26 March.
Police have concerns for Allan's welfare due to his medical condition which requires regular medication and his disappearance being out of character.
Allan has a tall, solid build, short grey hair and uses a walking frame.
He is known to frequent Heathmont, Clayton and Melbourne CBD.
Allan was last seen wearing a black leather jacket, blue trackpants and crocs. He was using a blue walker.
Police have released an image of Allan in the hope someone recognises him and can provide information regarding his current whereabouts.
Anyone with information about Allan is asked to contact Moorabbin Police Station on (03) 9556 6565.
