The Emergency Center offers comprehensive emergent evaluation and treatment 24 hours a day, 7 days a week with NO WAIT. State-of-the-art CT, ultrasound, x-ray, pharmacy and comprehensive lab services on-site combined with compassionate care provides an unparalleled patient experience. We honor all private insurance and offer affordable self-pay rates. The Emergency Center at Alamo Ranch 11320 Alamo Ranch Pkwy, San Antonio, Texas 78253, United States