Emergency Room - Mercy Hospital of Folsom is an emergency room that offers many services, including emergency surgery, diagnostic imaging, and blood tests. Visit Emergency Room - Mercy Hospital of Folsom located at 1650 Creekside Dr, Folsom, CA. This Folsom emergency room is one of the best in California. As part of the Dignity Health network, Emergency Room - Mercy Hospital of Folsom is dedicated to delivering high quality, compassionate care and access to Folsom and nearby communities.