The AAHKS office is moving to the new Orthopaedic Headquarters on December 4, 2014. Our new address is 9400 W. Higgins Rd., Suite 230, Rosemont, IL 60018. Our general phone number remains the same (847) 698-1200. Direct phone numbers for each staff member have changed. If you are in Chicago or visiting any time soon, please stop in for a visit and a tour of the new office. View staff phone numbers.