2013 Super Doctors! Keith D. Calligaro, M.D. and Matthew J. Dougherty, M.D. by admin | Sep 12, 2013 | Uncategorized | Keith D. Calligaro, M.D. Matthew J. Dougherty, M.D. Pennsylvania Vascular Associates, P.C. 700 Spruce Street, Ste. 101 Philadelphia, PA 19106 215-829-5000 (patient appointments) 215-627-0578...