Dr. Stock specializes in pediatric cardiac critical care and is chief of the cardiovascular intensive care unit (CVICU) at Johns Hopkins All Children's. She is the director of patient safety and quality in the Heart Institute, co-chair of the Heart Institute Patient Safety & Quality committee, and leads the quality and safety program in the CVICU.

She was previously the medical director of the CVICU and the director of quality and safety of the CVICU and pediatric intensive care unit (PICU) at New York–Presbyterian Hospital Weill Cornell Medical College. She also taught and was closely involved with the medical student curriculum at Weill Cornell Medicine. Before that, she also served as the medical director of the CVICU at Johns Hopkins All Children’s from 2011-2015.

She earned her medical degree from the Institute of Medicine and Pharmacy Carol Davila, Bucharest, Romania. She completed an internship and pediatric residency at New York Hospital Queens, Flushing Medical Center, where she also served as chief resident. She completed a pediatric critical care fellowship at Montefiore Medical Center in Bronx, New York, followed by a cardiac intensive care fellowship at Children’s Hospital of Philadelphia. She also obtained a degree in Quality and Safety from the Weill-Cornell Quality and Safety Academy.

Her interests include quality and safety, and outcomes. She also holds a degree in quality improvement from Weill Cornell College.