HMC means hamad medical corp. it's d biggest hospital here in qatar. they have at least 10 security guards every shift &  a patrol car (with policeman of course) standing by d front gate. they also have cameras around. if u r an outsider,  u need to present an ID if u want to enter the premises but u need to tell d security men d name of d tenant whom u want to visit. they have nice environment, with trees, pool, clubhouse, etc. not all compounds in qatar have trees u know. u'll feel safe there.