OPEN MINDS The Behavioral Health & Social Service Industry Analyst Industry News For-profit psychiatric hospital occupancy rates are falling. Occupancy rates have dropped to 39% at Community Psychiatric Centers, 56% in the psychiatric hospitals of Hospital Corporation of America, 59% at Charter, and 71% at Psychiatric Institutes of America (PIA), according to an article, 'The Squeeze of Psychiatric Chains' by Milt Freudenheim that appeared in the October 26, 1991 issue of The New York Times. The effects of managed care and rapid growth of the number of psychiatric . . .