David F. Friedman, MD

Areas of Expertise: Apheresis, Blood banking, Pediatric hematology, Transfusion medicine
Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

  • Background

    Clinical interests

    Blood banking and transfusion medicine
    Pediatric therapeutic apheresis
    Pediatric hematology
    Biomedical informatics

  • Education and Training

    Medical School

    MD, University of Pennsylvania School of Medicine, Philadelphia, Pa.


    Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pa.


    Pediatric Hematology/Oncology, CHOP
    Bloodbanking and Transfusion Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pa.
    Senior Fellow, Divisions of Hematology and Pathology, CHOP

    Board Certification

    American Board of Pediatrics
    American Board of Pediatrics/Pediatric Hematology-Oncology

    Undergraduate Degree

    BA, Physics, Yale University, New Haven, CT

  • Titles and Academic Titles

    Associate Medical Director, Transfusion Service and Apheresis Service

    Medical Director, Phlebotomy Service

  • Departments and Services
  • Publications



    Sesok-Pizzini DA, Friedman DF. Neonatal and infant platelet transfusions. Immunohematology 24:1 15-19, 2008.


    Shelat SG, Friedman DF, Meny GM, Smith-Whitley K, Carlow D, Norris, R. False-positive pregnancy test after passive transfusion of B-human chorionic gonadotropin from donor red blood cells during erythrocytapheresis. Transfusion. 47:788-91 2007.


    Borgna-Pignatti C, Ventola M, Friedman DF, Cohen AR, Origa R, Galanello R, Lindeman R, Francis S, Reverberi R, Volpato S. Seasonal Variation of Pre-transfusion Hemoglobin Levels in Patients with Thalassemia Major. Blood 107:355-357, 2006.

    Sesok-Pizzini DA, Friedman DF, Smith-Whitley K, Nance, SJ. Transfusion support of patients with Sickle Cell Disease at the Children's Hospital of Philadelphia. Immunohematology 22:3 121-125, 2006.


    Elia J, Dell ML, Friedman DF, Zimmerman RA, Balamuth N, Ahmed A, Pati S. PANDAS with Catatonia: Response to lorazepam and plasmapheresis. Journal of the American Academy of Child and Adolescent Psychiatry 44:11 p. 1145-1150.