Zuckerberg San Francisco General Hospital and Trauma Center, one component of the San Francisco Health Network, provides a full complement of inpatient, outpatient, emergency, skilled nursing, diagnostic, mental health and rehabilitation services. It is the only Level-One trauma center providing services to the 1.5 million people in San Francisco and northern San Mateo County. It is also the only hospital in San Francisco that provides round-the-clock psychiatric emergency services.