Emergency Room - Sequoia Hospital is an emergency room that offers many services, including emergency medicine, diagnostic imaging, and an online waiting room. Visit Emergency Room - Sequoia Hospital located at 170 Alameda de las Pulgas, Redwood City, CA. This Redwood City emergency room is one of the best in California. As part of the Dignity Health network, Emergency Room - Sequoia Hospital is dedicated to delivering high quality, compassionate care and access to Redwood City and nearby communities.