Position Summary/Scope of Responsibility. The Centers for Advanced Orthopaedics LLC (CAO) is one of the nation’s largest Orthopaedics practices, owned and operated by physicians, with over 60 locations across Maryland, Northern Virginia, and the District of Columbia. With approximately 2,000 employees, working in 28 Divisions, CAO is a growing business with revenues of approximately $250 Million. CAO is committed to be the Orthopaedics provider o...