William W. Fox, MD

William Fox, MD, is an attending neonatologist with the Division of Neonatology at The Children's Hospital of Philadelphia.

Areas of Expertise: Liquid ventilation of infants in pulmonary failure, Physiologic evaluation of lung function in the neonate
Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

  • Background

    William W. Fox, MD, is a professor in the Division of Neonatology and Newborn Service at The Children's Hospital of Philadelphia and the University of Pennsylvania Health System. He is also the medical director of the Infant Breathing Disorder Center at CHOP.

    Dr. Fox also serves as an attending physician in the Newborn/Infant Intensive Care Unit at The Children's Hospital of Philadelphia as well as the Neonatal Intensive Care Unit at the Hospital of the University of Pennsylvania. He was one of two faculty neonatologists in 1973 when Neonatology was declared a division at CHOP and was director of the NICU for 15 years. He is highly active in the training and supervision of medical students, house staff and neonatal post-doctoral fellows.

    Dr. Fox is a nationally and internationally recognized speaker. His area of research is in neonatal pulmonary function, mechanical ventilation and liquid ventilation. He is the author of more than 100 publications including manuscripts, book chapters and abstracts, and the co-editor of the textbook, Fetal and Neonatal Physiology — now in its 4th edition.

    Dr. Fox is a member of many professional and scientific societies including the Society for Pediatric Research and the American Pediatric Society. He has received awards for excellence in teaching from resident physicians.

  • Education and Training

    Medical School

    MD - Duke University Medical School, Durham, NC


    Presbyterian University Hospital, University of Pittsburgh, Pittsburgh, PA


    Internal Medicine - University of Pennsylvania Medical Center, Philadelphia, PA
    Pediatrics - The Children's Hospital of Philadelphia, Philadelphia, PA


    Pulmonary/Neonatology - McGill University School of Medicine and Montreal's Children's Hospital, Montreal, Canada

    Board Certification

    Neonatal-Perinatal Medicine

  • Titles and Academic Titles

    Attending Neonatologist

    Medical Director, Infant Breathing Disorder Center

    Emeritus Professor CE of Pediatrics, Perelman School of Medicine at The University of Pennsylvania

  • Departments and Services