Altus Baytown ER is a 24-hour emergency room in Baytown, TX 77521. We provide emergency care services in Baytown and surrounding areas. Walk-in or check-in online now! Emergency Room Services: 1) Full Diagnostics Lab 2) Imaging Services, 3) Observation Program, 4) Pediatric Emergency Care 5) Emergency Care: Abdominal Pain Treatment, Cardiology, Injuries & Illnesses, Migraine Care, Orthopedic Injuries Treatment, Trauma Care Business Phone: 281-519-7445 Working Hours: 24/7 Hours ©