Stanford Adult Emergency Department

The Marc and Laura Andreessen Emergency Department at Stanford (Stanford ED) is a full-service emergency care facility, treating all ages, illnesses, and injuries without regard to race, religion, gender or ability to pay. The Stanford ED treats more than 80,000 patients per year. 

It is our goal to provide efficient, high-quality emergency care, both in the emergency department and throughout the community.

Access to leading-edge technology and expert specialists
Emergency physicians at Stanford stay current on leading-edge diagnostic and treatment technologies. Our staff also have access to a wide array of specialists and sub-specialists to aid in caring for our patient population. 

Designated Level I Trauma Center
The Stanford emergency department has been designated by the American College of Surgeons as a Level I Trauma Center. This is the highest possible designation, signifying Stanford can handle any trauma patient, no matter how severely injured. 

Rapid response to heart attack and stroke
The Stanford emergency department is also an integral part of the ground-breaking Emergency Cardiac Care and Stroke services offered by Stanford Hospital. 

Accredited Level 2 Geriatric ED
Stanford ED has been designated by the American College of Emergency Physicians as a Level 2 Geriatric ED in recognition of our best practices, education, resources and support for the special needs of our older patients. 



  • Precision Emergency Medicine: Crafting a New Approach

    The 2023 Society for Academic Emergency Medicine Consensus Conference on Precision Emergency Medicine, led by Stanford Department of Emergency Medicine, resulted in two groundbreaking publications that can help create a path for a new paradigm in emergency medicine.

  • Breaking the Virtual Care Barrier

    Stanford’s Virtual Visit Track (VVT) in the emergency department revolutionizes patient care, enabling remote consultation by board-certified emergency medicine physicians, resulting in shorter stays, satisfied patients, and fewer return visits.

  • Greening in the ED

    In emergency medicine, where every second counts, the push for sustainability might seem daunting. However, Stanford’s Marc and Laura Andreessen Emergency Department (ED) is making strides in creating a more ecologically friendly environment.

  • “No money, no problem”: Guaranteeing emergency care for all

    The Emergency Medical Treatment and Labor Act (EMTALA) -- passed in 1986. It prevented hospitals from turning away patients in emergencies or transferring unstable patients to other facilities if they couldn't provide proof of payment. But that legislation created new problems, problems that Stanford emergency physician Michael Bresler, MD, played a key role in resolving.

  • Hospital to have separate locations for adult, pediatric emergency care

    With the opening of the new Stanford Hospital on Nov. 17, the Marc and Laura Andreessen Emergency Department will have two locations: one for patients ages 21 and older and trauma patients, at 1199 Welch Road, and one for patients as old as 20, at 900 Quarry Road Extension, which is part of the original hospital.

Telehealth and Emergency Medicine

As health systems work to provide a range of virtual services from prevention to primary care, Stanford’s long-term vision is to extend this continuum to include virtual emergency care, including assessment, diagnostics, treatment, and follow-up.