South Texas Health System Mcallen is a hospital in McAllen, Texas, United States. It is the flagship hospital of the South Texas Health System. It is owned by Universal Health Services, a Pennsylvania-based hospital management company. McAllen is a tertiary care regional provider. It offers advanced wound care, maternity care including a Neonatal Intensive Care Unit (NICU), neurosurgery, orthopedics, and oncology. It is the designated advanced Level II Trauma Center for Hidalgo County. Since 2011 it has been the base for emergency helicopter service throughout the Rio Grande Valley. In cooperation with the University of Texas Health Science Center at San Antonio, McAllen offers a three-year residency in Family Practice. In a 2015 peer-reviewed study ranking the United States' most expensive hospitals South Texas Health System, which owns hospitals including McAllen, was ranked as the 48th most expensive, charging roughly 9.2 times the amount procedures cost. This figure is disputed by STHS. From Wikipedia