Muir Orthopaedic Specialists (MOS) is one of the most comprehensive orthopedic centers in the Bay Area. By integrating diagnostic, treatment, surgical and rehabilitation services, we have encompassed most aspects of treatment in one unique orthopedic plaza. Orthopaedic Express by MOS is an orthopedic urgent care center that offers same day and walk-in appointments. Patients of Orthopaedic Express enjoy immediate care without the long wait times and high costs of an emergency room visit. This facility was opened in 2018 and is conveniently located at our Sequoia Building in Walnut Creek.