 Dr. John Tomaszewski - Pathology - Williamsville, NYUBMD Physicians Group, PathologyPhone: 716-626-7200Overview for John E. Tomaszewski, MDInformation on Dr. John E. Tomaszewskis HospitalDr. John E. Tomaszewskis Training Faculty AppointmentUniv Pennsylvania, 1977Philadelphia, PA 1982-1983Philadelphia Magazine 2010, 2009, 2008, 2007, 2006, 2005, 2004 