Fairfax Hearing Centers provides a full range of medical and audiological services to the Annandale and Northern Virginia area. Its professional staff, Laurence O'Halloran, M.D., Heinz Scheidemandel, M.D., Timothy Egan, M.D., Gena Marino, Au.D., and Karen Friedner, Au.D., specialize in providing patients with individualized, technologically advanced services and products. To learn more about Fairfax Hearing Centers, call the number provided to schedule an appointment.