Loyola University Medical Center (Maywood)
From The RadioReference Wiki
It appears that this might not be a trunked system but rather conventional.
464.625 - CC 2, TG 200, SL1 (ENC)
464.675 - CC 14, TG 200, SL 1 (ENC) 464.675 - CC 14, TG 200, SL 2 (ENC)