Sierra East Hospital in El Paso, TX with Reviews - YP.com. Health (9 days ago) IN BUSINESS. (915) 747-4000. 1625 Medical Center Dr. El Paso, TX 79902.OPEN 24 Hours. From Business: Operational for more than 30 years, the Sierra Medical Center offers cardiac and neurological services. The center is a 351-plus-bed acute care hospital that…..