Allegiance Health Management is an acute and post-acute health system based in Shreveport, LA. It is our goal to meet the nee ... ds of our patients and offer exceptional customer service. We are proud leaders in various specialty medical fields, which allows us to offer a range of medical facilities and services to our customers in Louisiana, Texas, Mississippi and Arkansas including: Acute Care Hospitals, Critical Access Hospitals (CAH), Long-Term Acute Care Hospitals (LTACH), Inpatient Geriatric Psychiatric Units, Intensive Outpatient Psychiatric Services (IOP), and Home Health Services. read more