A Catholic non-profit, full-service diagnostic and therapeutic medical facility, Queen of the Valley Medical Center was found ... ed in 1958 by the Sisters of St. Joseph of Orange. The Queen is guided by five core values: Compassion, Dignity, Justice, Excellence, and Integrity. We live and advocate these values in every aspect of care. Queen of the Valley Medical Center is part of St. Joseph Health Northern California, an integrated health network offering a full range of care facilities including four acute care hospitals, home health agency, hospice care, outpatient services and community clinics. read more