Our Cardiothoracic Doctors and Staff

Meet Our Cardiothoracic Surgery Team

We are at the top in Heart Surgery!

Our Heart Institute ranks as the top pediatric cardiovascular surgery program in the United States. We are tied with one other institution on having the lowest overall four-year surgical mortality rate among all high-volume programs with a rate of 1.5%, according to the latest data compiled by the Society of Thoracic Surgeons (2011-2015). Nationally, the average mortality rate for all pediatric cardiovascular programs was 3.4% during the same reporting period.

Victor O. Morell, MD

Chief, Division of Pediatric Cardiothoracic Surgery
Co-Director, Heart Institute, Children's Hospital of Pittsburgh of UPMC
Co-Director, UPMC Heart and Vascular Institute
Vice Chair and Director of Cardiovascular Services, UPMC Department of Cardiothoracic Surgery
Associate Professor of Surgery, University of Pittsburgh School of Medicine
Associate Program Director, Thoracic Surgery Residency, University of Pittsburgh
View full profile

Jose Pedro da Silva, MD

Surgical Director, Center for Valve Therapy, Division of Cardiothoracic Surgery
Visiting Professor, Cardiothoracic Surgery, University of Pittsburgh School of Medicine
View full profile

Mahesh Subramanian Sharma, MD

Assistant Professor of Cardiothoracic Surgery, University of Pittsburgh School of Medicine
View full profile

Melita Lynnette Viegas, MD

Assistant Professor of Cardiothoracic Surgery, University of Pittsburgh School of Medicine
View full profile

Physician Extenders

Lexie Armstrong, CRNP
Erin Colvin, CRNP
Kristyn Lowery, PA-C
Tamara Maihle, CRNP
Katie Nickolich, CRNP
Dana Shiderly, CRNP