Emergency Room - St. Joseph's Hospital and Medical Center is an emergency room that offers many services, including emergency & trauma care, a level I trauma center, and ER online check-in. Visit Emergency Room - St. Joseph's Hospital and Medical Center located at 350 W Thomas Rd, Phoenix, AZ. This Phoenix emergency room is one of the best in Arizona. As part of the Dignity Health network, Emergency Room - St. Joseph's Hospital and Medical Center is dedicated to delivering high quality, compassionate care and access to Phoenix and nearby communities.