Emergency Room - Dignity Health - St. Rose Dominican, Siena Campus - Henderson, NV 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 - Henderson, NV 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 - Henderson, NV is dedicated to delivering high quality, compassionate care and access to Henderson and nearby communities.