Leader in Trauma Care and Emergency Medicine The Marc and Laura Andreessen Adult Emergency Department is staffed by board-certified emergency medicine doctors. Many have been recognized nationally and internationally for their clinical care, teaching, research, humanitarian efforts, and contributions to advancing the specialty of emergency medicine. Our staff includes professors from the Stanford School of Medicine. These dedicated professionals leverage subspecialized expertise that covers cardiovascular health, diagnostic ultrasound, wilderness medicine, public health, international medicine, and more to provide you and your family with unsurpassed care.