Department of Orthopaedic Surgery

The Department of Orthopaedic Surgery offers services and programs through the following Divisions. Use these links to directly access all our Department sites.

Welcome to the Department of

Orthopaedic Surgery



  • Mission Bay
    Orthopaedic Institute
  • 1500 Owens Street
    San Francisco, CA 94158
    Phone: 415-353-2808

Erik Hansen

Erik Hansen

Assistant Professor of Clinical Orthopaedics


Dr. Erik Hansen -is an orthopedic surgeon in the Arthroplasty Service of the UCSF Orthopaedic Institute. Hansen specializes in reconstructive, replacement and revision surgery of the hip and knee, and has expertise in the direct anterior hip approach for hip joint replacement. In his research, he focuses on the diagnosis, treatment and prevention of periprosthetic joint infection. Hansen earned a medical degree and completed an orthopedic surgery residency at UCSF. He served as a fellow in adult reconstructive surgery at the Rothman Institute at Thomas Jefferson University in Philadelphia. Hansen directs a total joint database and a periprosthetic infection database, and is an Assistant Professor in Residence of Orthopaedic Surgery.