Meet Our Team

Children’s Heart Center located in New York City is an alliance between Mount Sinai and Children’s Hospital of Philadelphia (CHOP). We are proud to introduce the distinguished team of doctors from our two world renowned pediatric cardiology hospitals.

We dedicate our skills to helping your child.

Children’s Heart Center


Rica Arnon. MD, Director, Pediatric Cardiopulmonary Exercise Physiology Program




Morton Borg, MD, Attending Cardiologist




Jennifer Bragg, MD, Neonatologist, Cardiac Neurodevelopmental Program 




David Ezon, MD, Director, Technology and Innovation for Education




Miwa Geiger, MD, Director, Fetal Heart Program




Bruce Gelb, MD, Director, The Mindich Child Health and Development Institute; Gogel Family Chair




Lauren D. Glass, MD, Associate Director, Pediatric Heart Failure and Heart Transplant Program




Barry Love, MD, Director, Congenital Cardiac Catheterization and Pediatric Electrophysiology Programs




Ira Parness, MD, Chief, Division of Pediatric Cardiology; Richard J. Golinko Endowed Professorship




Rajesh Shenoy, MD, Director, Fellowship Program




Shubhika Srivastava, MBBS, Director, Congenital Cardiac Non-Invasive Imaging




Kenan Stern, MD, Director, Quality Initiatives




Santosh Uppu, MD, Director, Congenital Cardiac MRI Program




Cardiac Critical Care Medicine

Scott Aydin, MD, Associate Director, Pediatric Intensive Care Unit




Iris Mandell, MD, Director, Pediatric Critical Care Transport Team




Robert Mansfield, MD, Cardiac Intensivist




George Ofori-Amanfo, MD, Chief, Pediatric Critical Care




Howard Seiden, MD, Associate Chief, Division of Pediatric Cardiology; Director, Pediatric Cardiac Critical Care and Inpatient Services



Cardiovascular Surgery

Peter Pastuszko, MD, Chief, Pediatric Cardiac Surgery; Director, Pediatric Cardiovascular Services, Mount Sinai Health System




Children’s Hospital of Philadelphia

Fetal Heart

Jack Rychik, MD, Director of the Fetal Heart Program and the Single Ventricle Survivorship Program and Robert and Dolores Harrington Endowed Chair in Pediatric Cardiology



Anita L. Szwast, MD, Cardiac Center and Fetal Heart Program




Shobha S. Natarajan, MD, Co-director of the Hypertension and Vascular Evaluation (HAVE) Program




Karl Degenhardt, MD, PhD, Cardiac Center and Fetal Heart Program 




Critical Care

Andrew T. Costarino Jr., MD, MSCE, Chief of the Division of Cardiac Critical Care Medicine




Marissa A. Brunetti, MD, Division of Cardiac Critical Care Medicine 




Aaron G. DeWitt, MD, Division of Cardiac Critical Care Medicine




Stacie B. Peddy, MD, Division of Cardiac Critical Care Medicine




Joshua J. Blinder, MD, Division of Cardiac Critical Care Medicine 




Cardiothoracic Surgery

Jonathan M. Chen, MD
Jonathan M. Chen, MD, is the Chief of the Division of Cardiothoracic Surgery and the Co-Director of the Cardiac Center at Children's Hospital of Philadelphia. Dr. Chen is also the Mortimer J. Buckley Jr. MD Endowed Chair in Pediatric Cardiothoracic Surgery.


J. William Gaynor, MD, Cardiac Center and Surgical Director of the Heart Failure and Transplant Program




Stephanie Fuller, MD, Division of Cardiothoracic Surgery




Christopher E. Mascio, MD, Cardiac Center




How to Reach Us

To make an appointment or learn more, you can call us 24-hours a day. To reach Children’s Heart Center, call us at 1-844-733-7692. To reach the Fetal Heart Program, call us at 1-844-692-3382.