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Education & Training

  • Fellowship, Advanced Pediatric Cardiology Imaging, 2023
    Children's National Medical Center
  • MPH, 2022
    George Washington University
  • Fellowship, Pediatric Cardiology, 2021
    Children's National Medical Center
  • Residency, General Pediatrics & Primary Care, 2017
    Children's National Medical Center
  • Internship, General Pediatrics & Primary Care, 2015
    Children's National Medical Center
  • MD, 2014
    Emory University School of Medicine

Board Certifications

  • American Board of Pediatrics

National Provider ID: 1487073656


Jennifer Klein, M.D., is a pediatric and fetal cardiologist at Children's National Hospital. She earned her medical degree from Emory University in Atlanta, GA. She completed her pediatric residency, pediatric cardiology fellowship and advanced cardiac imaging fellowship at Children's National. Concurrent with her clinical training, she earned a master's in public health from George Washington University with a focus on maternal and child health. 

As a clinician-scientist, Dr. Klein's research interests include maternal health and nutrition, addressing disparities in prenatal care for fetal cardiac disease, and neurodevelopmental outcomes for patients with congenital heart disease. She has been awarded a postdoctoral research training grant from the American Heart Association to study the geographic distribution of congenital heart disease. She currently serves as a site principal investigator for an NIH-funded study on neurodevelopmental outcomes in congenital heart disease. She is a member of the American Heart Association, American College of Cardiology and American Academy of Pediatrics. She is involved in several national organizations to promote diversity, equity and inclusion in pediatric cardiac healthcare.