Sentara Lake Ridge - When Sentara introduced Sentara Lake Ridge in 2012, Prince William residents quickly came to appreciate a new level of care and convenience. The services at Sentara Lake Ridge have consistently ranked nationally for patient satisfaction since its opening. Sentara Lake Ridge is a state-of-the-art outpatient campus offering easy access to quality 24-hour service, 365 days a year emergency care Board-certified physician specialists Ambulatory Surgery Center specializing in Orthopedics, Spine and ENT Sentara Family & Internal Medicine Physicians (2nd Floor) Advanced imaging services.