Our main facility, the Woonsocket Unit, located at 115 Cass Avenue in Woonsocket, RI, is a 214-bed, acute care hospital, providing emergency, diagnostic, medical, surgical, cancer, cardiac, pain management, and obstetric care. Based in California, Prime Healthcare and its hospitals have been recognized as among the "100 Top Hospitals" in the nation 36 times and among the "15 Top Health Systems" three times, and Prime Healthcare is the only "Top 10 Health System" west of the Mississippi.