Emergency Room - Dignity Health - St. Rose Dominican, Siena Campus is an emergency room that offers many services, including emergency medicine, an on-site laboratory, and a dedicated imaging center. Visit Emergency Room - Dignity Health - St. Rose Dominican, Siena Campus located at 3001 St Rose Pkwy, Henderson, NV. This Henderson emergency room is one of the best in Nevada. As part of the Dignity Health network, Emergency Room - Dignity Health - St. Rose Dominican, Siena Campus is dedicated to delivering high quality, compassionate care and access to Henderson and nearby communities.