Kreutzer is Professor of Pediatrics at the University of Pittsburgh School of Medicine and Division Director of Cardiology. She is co-director of the Heart Institute at UPMC Children's Hospital of Pittsburgh and holds the Peter and Ada Rossin Endowed Chair in Pediatric Cardiology.

She has over 20 years of practice in congenital catheter intervention, and directed the Cardiac Catheterization Laboratory for 15 years at Children’s. Main areas of academic interest include: novel catheter/device technology, animal testing & clinical trials; prenatal cardiac catheter intervention; Single ventricle variants: transcatheter therapies; Transcatheter management of peripheral pulmonary artery stenosis; Cardiac catheterization Outcomes Research and Quality Improvement; and Transcatheter valve therapies.

Kreutzer is Board Certified in Pediatric Cardiology and Adult Congenital Heart Disease. She has lectured extensively nationally and internationally. Dr. Kreutzer has authored close to 100 publications, and has a long history of commitment to teaching and mentoring students, residents, fellows, and colleagues from the United States and abroad. She has also served and continues to serve in many academic committees (SCAI, AHA, NCDR®, CCISC, etc.), as well as several editorial positions (i.e., JACC).

Kreutzer has led the Division of Cardiology since 2017, expanding quality of care and outcomes in collaboration with Heart Institute and hospital leadership to achieve the highest standards becoming among the best cardiac programs in the country, as evaluated by U.S. News and World Report.