Bing Li is an Asian man with black hair and brown eyes who stands 5 feet 2 inches tall and weighs 120 pounds.
He was last seen at about 1:30 p.m. Friday at his home at 500 Raymond Ave.
Li suffers from both Alzheimer's disease and dementia and is in need of his medication.
Anyone with information about his whereabouts is asked to call the San Francisco Police Department at (415) 553-1071 or return Bing to his home.
