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Education & Training

  • Fellowship, Pediatrics, Pediatric Critical Care Medicine, 1991
    Children's Hospital of Pittsburgh
  • Fellowship, Pediatric Pulmonology, 1990
    Children's Hospital of Pittsburgh
  • Internship, Pediatrics, 1985
    Ascension Maryland Saint Agnes Hospital
  • Residency, Pediatrics, 1985
    Ascension Maryland Saint Agnes Hospital
  • Residency, Preventive Medicine, 1984
    Johns Hopkins Hospital
  • Fellowship, Medical Toxicology, 1982
    University of Tennessee Medical Center
  • MD, 1980
    University of Athens

Board Certifications

  • American Board of Pediatrics/Pulmonology

Awards & Recognition

  • Top Doctors Washingtonian (2020, 2019)
  • Top Doctors No Va Magazine (2023, 2022, 2021)

National Provider ID: 1831156942


Anastassios Koumbourlis, M.D., M.P.H., is Chief of the Divisions of Pulmonary and Sleep Medicine at Children's National Hospital. Apart from treating pulmonary and sleep disorders, he also evaluates and treats cystic fibrosis at our Cystic Fibrosis Center (Pediatric and Adult). Dr. Koumbourlis previously was a professor of Clinical Pediatrics at the Albert Einstein College of Medicine and Chief of Pulmonology at the Schneider Children’s Hospital in New York. Prior to this, he was on the faculty of Columbia University and Director of the Pulmonary Function and Exercise Laboratories at the Children’s Hospital of New York at Columbia University Medical Center.

Dr. Koumbourlis has extensive experience in pediatric pulmonary medicine with special interests in congenital lung and airway anomalies, chest wall deformities and pulmonary complications of neuromuscular and sickle cell disease.

This faculty member (or a member of their immediate family) has a working relationship (i.e. consulting, research, and/or educational services) with the companies listed below. These relations have been reported to the health system leadership and, when appropriate, management plans are in place to address potential conflicts.

Outside Interests

  • American College of Chest Physicians 
  • Advanced Respiratory, Inc. 
  • Novartis 

Research & Publications