Julian Allen, MD

Julian Allen, MD, is chief of the Division of Pulmonary Medicine and director of the Asthma Program at The Children’s Hospital of Philadelphia.

Areas of Expertise: Asthma, Bronchopulmonary dysplasia, Cystic fibrosis, Neuromuscular disease and chest wall disorders, Pulmonary complications of sickle cell disease
Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

  • Education and Training

    Medical School

    MD - Columbia University College of Physicians and Surgeons, New York, NY


    Pediatrics - Babies Hospital, New York, NY


    Pediatric Pulmonology - Children's Hospital Boston, Boston, MA

    Board Certification

    Pediatric Pulmonology

  • Titles and Academic Titles

    Chief, Division of Pulmonary Medicine

    Robert Gerard Morse Endowed Chair in Pulmonary Medicine

    Director, Asthma Program

    Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania

  • Departments and Services
  • Research Interests

    Physiology of the chest wall, and tests of respiratory muscle function. Applications to clinical care of children with neuromuscular disease, chronic lung disease and chronic respiratory failure.

    Integrating systems of asthma care across the Children's Hospital Healthcare system. Supported by a grant from the Pew Charitable Trusts.

    The relationship between episodic asthma and hypoxemia and  painful episodes in children with sickle cell disease. Supported by a grant from the National Heart Lung and Blood Institute, National Institutes of Health.

  • Publications


    Allen JL, Bryant-Stephens T, Pawlowski N, Editors. The Children’s Hospital of Philadelphia Guide to Childhood Asthma. Wiley-Liss, Philadelphia, PA. 2004

    Allen JL, Panitch HB, Rubenstein R, editors. Cystic Fibrosis. Lung Biology in Health and Disease series. New York: Informa Publishing; 2010.



    Caboot J and Allen JL. Hypoxemia in sickle cell disease:  significance and management. In: “Controversies in the Diagnosis and Treatment of Sickle Cell Lung Disease,” Paediatric Respiratory Reviews, 15: 17-23, 2014.


    Mayer OH, Allen JL. Chest wall and spinal deformities. In: Light MJ, Homnick DN, Schechter MS, Blaisdell CJ, Weinberger MM, eds. Pediatric pulmonology. Elk Grove Village, IL: American Academy of Pediatrics; 2011.


    Allen JL, Gripp K. Development of the thoracic cage. In: Haddad GG, Abman SH, Chernick V, editors. Chernick-Mellins: basic mechanisms of pediatric respiratory disease. Philadelphia: B.C. Decker;  2002. 

    Weiner DJ, Allen JL. Pulmonary physiology.  In: Festa CJ, editor. Clinical guidelines for mechanical ventilation. Newtown (PA): Handbooks in Healthcare;  2002.


    Allen JL, Wohl MEB. Chest wall and neuromuscular disease. I:n Taussig L, Landau L, editors. Textbook of pediatric respiratory medicine. Philadelphia: Mosby Year Book, Inc.; 1999.


    Allen JL, Sivan Y. Chest wall function. In: Stocks J, Sly P, Tepper R, Morgan W, editors. Infant respiratory function testing. New York: Wiley-Liss; 1996.




    Izumi K, Nakato R, Zhang Z, Edmondson AC, Noon S,. Dulik MC, Rajagopalan R, Venditti CP, Gripp K , Samanich J, Zackai EH,. Deardorff MA, Clark D, Allen JL, Dorsett D, Misulovin Z, Komata M, Bando M, Kaur M, Katou Y,  Shirahige K, Krantz ID. Germline Gain-of-Function Mutations in AFF4Cause a Developmental Syndrome Functionally Linking the Super Elongation Complex and Cohesin. 


    Ong BA Li J, McDonough JM, Wei Z, Kim C, Chiavacci R, Mentch F, Caboot JB, Spergel J, Allen JL, Sleiman PMA, Hakonarson H. Gene Network Analysis in a Pediatric Cohort Identifies Novel Lung Function Genes. PLoS One [electronic resource] 8:e72899, 2013.

    Ong B, Jawad A, Arens R, Marcus C, Mason T, Smith-Whitley K, Jackson T, Ohene-Frempong K and Allen JL. Respiratory muscle force and lung volume changes in a population of children with sickle cell disease./ British Journal of Haematology 163:112-117, 2013. 

    Posters and Presentations

    Lectures by Invitation

    Chest Wall Physiology. In: Postgraduate Course: “Pediatric Respiratory Physiology in Health and Disease." Annual meeting of the American Thoracic Society, San Diego, CA, May 17, 2014.


    Ventilation/Perfusion Matching. In: Postgraduate Course “Pediatric Respiratory Physiology: What’s right and When it goes wrong." Annual meeting of the American Thoracic Society, Philadelphia PA, May 17, 2013.

  • Awards and Honors

    2013, Listing Suburban Life Magazine,Philly Suburbs, Top Doctors for Children
    2013, Listing US News and World Report: Nation’s top Pediatric Pulmonologists
    2012-present, John Morgan Society, University of Pennsylvania School of Medicine
    2012,  Faculty Mentor Award, The Children’s Hospital of Philadelphia
    2012, 2013  Listing, “Philadelphia Super Doctors ®”
    2004-2013,  Listing, “The Best Doctors in America”
    2008-2013, Faculty Teaching Honor Roll, Residency Program, The Children’s Hospital of Philadelphia
    2004-2005, Faculty Teaching Honor Roll, Residency Program, The Children’s Hospital of Philadelphia
    2001, Listing, "Top Docs for Kids," Philadelphia Magazine
    1998-2000 Member, Pediatric Pulmonary Sub-Board, American Board of Pediatrics
    - Term 2001-2006
    - Elected Chairman 2005-6
    1998, Elected Chairman, Pediatric Assembly, American Thoracic
    - Society (Term 1999-2001)
    1999-2010, Listing “Who’s Who in Medicine and Healthcare”
    1997-2007, Listing “Who’s Who in Science and Engineering”
    1996-1997, Listing “The Best Doctors in America - Northeast Region”, Woodward, White Inc.
    1996-present, Listing “Who’s Who in the World”
    1996-present, Listing “ Who’s Who in America”
    1995,  Listing "Who's Who in American Education"
    1994, Listing, "Who's Who in the East"
    1992-present, Society for Pediatric Research
    1987,  Listing, "Best Doctors in the Delaware Valley", Philadelphia Magazine
    1984-1986, Parker B. Francis Award in Pulmonary Research
    1978, Sandoz Award for Medical Research, Columbia University College of Physicians and Surgeons

  • Editorial and Academic Positions
    Editorial Positions

    2003-present, Editorial Board, Pediatric Pulmonology
    2012-present, Deputy Editor, Pediatrics Proceedings of the American Thoracic Society


    American Review of Respiratory Disease
    Anesthesia and Analgesia
    Journal of Applied Physiology
    Journal of Pediatrics
    Pediatric Research
    Respiratory Medicine

    Academic and Institutional Committees

    2004- Chair, Search Committee for Medical Director, Lung Transplantation Program, The Children’s Hospital of Philadelphia

    2010-present, Chair, Pulmonary Scientific Review Group for the Committee on Protection of Human Subjects, Institutional Review Board, The Children's Hospital of Philadelphia

  • Leaderships
    Memberships in Professional Organizations

    1997-present, European Respiratory Society
    1992-present, Society for Pediatric Research
    1986-present, Fellow, American Academy of Pediatrics
    2012-present, Clinical Advocacy Committee
    2000-present, American Thoracic Society Task Force on Assembly Structure
    1993-present, Chairman, Working Group on Clinical Practice Guidelines for Bronchopulmonary Dysplasia
    1982-present, American Thoracic Society
    - 1990-present, Joint Committee on Infant Pulmonary Function Testing
    - 1993-present, Long Range Planning Committee