VALHALLA, N.Y. (April 19, 2017) - Westchester Medical Center's Advanced Physician Services (APS) recently announced the addition of an orthopaedic service line to the physician services group's suite of offerings as University Orthopaedics' physicians joined the newly formed APS Advanced Orthopaedics. APS Advanced Orthopaedics offers a gamut of services for all patients, ranging from ....