Emergency Room - St. Joseph's Westgate Medical Center is an emergency room that offers many services, including emergency medicine, surgical services, and orthopedics. Visit Emergency Room - St. Joseph's Westgate Medical Center located at 7300 N 99th Ave, Glendale, AZ. This Glendale emergency room is one of the best in Arizona. As part of the Dignity Health network, Emergency Room - St. Joseph's Westgate Medical Center is dedicated to delivering high quality, compassionate care and access to Glendale and nearby communities.