Gay Wehrli, M.D., M.S.Ed.

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Gay Wehrli, M.D., M.S.Ed.

Gay Wehrli, M.D., M.S.Ed. Faculty Profile


Gay Wehrli

Gay Wehrli, M.D., MBA, M.S.Ed.

Associate Medical Director and Fellowship Director, Blood Bank 

and Transfusion Medicine Services (BBTMS)

Assistant Professor of Pathology 


  University of Southern California, Los Angeles, CA, M.S.Ed.

Los Angeles County + University of Southern California Medical Center, Los Angeles, CA, Pathology Residency and Blood Banking~Transfusion Medicine Fellowship

University of Southern California School of Medicine, Los Angeles, CA, M.D.

Trinity College, Hartford, CT, B.S.



My clinical practice areas include blood banking and transfusion medicine with special interests in therapeutic apheresis and hematopoietic progenitor cell collection and processing. 


My research interests include increasing our blood donor population and improving blood product utilization.  In addition I have an ongoing interest in graduate medical education.











  • Wehrli G.  Transfusion therapy in therapeutic apheresis.  In: Mintz PD, ed.  Transfusion therapy: clinical principles and practice.  2nd ed.  Bethesda, MD: American Association of Blood Banks, 2005:297-318.
  • Wehrli G, Shulman I.  Transfusion Therapy.  In: Demetriades D, Asensio JA, eds.  Trauma Management.  Georgetown, MD: Landes Bioscience, 2000:636-645.
  • Wehrli G, Chandrasoma PT.  The Duodenum.  In: Chandrasoma, PT.  Gastrointestinal Pathology. Stamford, CT: Appleton and Lange, 1998:145-166.