The UM Nurse Specialist provides organizational support in the Utilization Management Department; efficiently processes Pre-Service Authorization Requests. Works with UM Coordinators. PIH Health is a nonprofit, regional healthcare network that serves approximately 3 million residents in the Los Angeles County, Orange County and San Gabriel Valley region. The fully integrated network is comprised of PIH Health Downey Hospital, PIH Health Good Samaritan Hospital, PIH Health Whittier Hospital, 37 outpatient medical office buildings, a multispecialty medical (physician) group, home healthcare services and hospice care, as well as h