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Harry C Dietz, MD

Professor of Pediatrics

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Appointment Phone


Main Location

The Johns Hopkins Hospital

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Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-0773 (7a.m. to 6p.m., EST, Mon-Fri)

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  • Professor of Pediatrics
  • Associate Professor of Medicine
  • Assistant Professor of Neurological Surgery

Centers & Institutes

  • Children's Center
  • Comprehensive Marfan Center
  • Dana & Albert "Cubby" Broccoli Center for Aortic Diseases
  • Heart and Vascular Institute
  • Helen B. Taussig Children's Congenital Heart Center
  • Howard Hughes Medical Institute
  • Inherited Heart Disease, Center for
  • McKusick-Nathans Institute of Genetic Medicine


Aortic Aneurysms, Marfan Syndrome, Medical Genetics, Pediatric Cardiology

Research Interests

Nonsense-mediated mRNA decay; Genetics of aging; Molecular basis of inherited disorders of vascular development and homeostasis; Pathogenesis of Marfan syndrome


  • English

Additional Resources

Additional Resources +
  • Education +


    • SUNY Upstate Medical University (Syracuse NY ) (1984)


    • Johns Hopkins University School of Medicine / Pediatrics (Baltimore MD ) (1989)


    • Johns Hopkins University School of Medicine / Pediatrics (Baltimore MD ) (1992)
  • Research & Publications +
  • Academic Affiliations & Courses +
  • Activities & Honors +


    • Richard Starr Ross Research Scholar, JHMI 
    • Richard D. Rowe Award for outstanding research in Pediatric Cardiology 
    • Young Investigator Award, Society for Pediatric Research 
    • Antoine Marfan Award, National Marfan Foundation

    Professional Activities

    • Preceptor and Assistant Director, Predoctoral Training Program in Human Genetics 
    • Preceptor and Assistant Director, Medical Genetics Training Program 
    • Preceptor, Biochemistry and Molecular Biology Training Program 
    • Preceptor, Cellular and Molecular Medicine Training Program 
    • Director of the Professional Advisory Board, National Marfan Foundation
    • Howard Hughes Medical Institute
    • Board of Governors, National Human Genome Research Institute
    • American Society for Pediatric Research
  • Videos & Media +
  • Events +
  • Contact & Locations +


    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Sheikh Zayed Tower
    Baltimore, MD 21287
    Phone: 410-614-0701
    Appointment Phone: 410-955-3071
    Fax: 410-614-9246
    Location Map


    • Pediatrics - Cardiology

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