Specialties: Orthopedics, heart, cancer, moms and babies, OB, maternity, Children, CHOC, neuroscience, stroke, emergency, trauma, surgery, rehabilitation, mental health & wellness. Established in 1971. Mission Hospital was founded in Mission Viejo in 1971 and has continued to develop new programs and services to meet the ever changing needs of the community. In 1993, Mission Hospital partnered ....