Matthew J. O'Connor, MD Matthew J. O'Connor, MD, is a board-certified attending cardiologist in the Cardiac Center and Medical Director of the Heart Failure and Transplant Program at Children’s Hospital of Philadelphia. Locations: Main Campus; Specialty Care, Lancaster; CHOP at Lancaster General Health Phone: 215-590-4040 Education and Training Medical SchoolMD - University of Virginia School of Medicine, Charlottesville, VA InternshipPediatrics - University of Virginia Health System, University of Virginia, Charlottesville, VA ResidencyPediatrics - University of Virginia Health System, University of Virginia, Charlottesville, VA FellowshipPediatric Cardiology - The Children’s Hospital of Philadelphia, Philadelphia, PA Non-invasive Cardiac Imaging - The Children’s Hospital of Philadelphia, Philadelphia, PA Board CertificationPediatric CardiologyPediatrics Titles and Academic Titles Attending CardiologistMedical Director, Heart Failure and Transplant Program Departments and Services Cardiac Center Heart Failure and Transplant Program Familial Cardiomyopathy ProgramHeart/Lung Transplant ProgramPediatric Transplant CenterNeuromuscular Program