Emergency Room at Arizona General Hospital - San Tan Valley is a medical center that offers many services, including emergency medicine, digital imaging including CT scanner & x-ray, and ultrasound. Visit Emergency Room at Arizona General Hospital - San Tan Valley located at 1419 W Hunt Hwy, San Tan Valley, AZ. This San Tan Valley medical center is one of the best in Arizona. As part of the Dignity Health network, Emergency Room at Arizona General Hospital - San Tan Valley is dedicated to delivering high quality, compassionate care and access to San Tan Valley and nearby communities.