Gateway Diagnostic Imaging Arlington is easily accessible from interstate 20 and conveniently located on W. Arbrook Boulevard, near Costco. Whether you need an MRI, CT scan, ultrasound or X-ray, our team is dedicated to ensuring your comfort and safety at all times. We are in-network with all major insurance companies and for those without insurance or who need financial assistance, we offer self-pay rates and medical financial assistance programs to those who qualify.