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, Taylor N, Haines A, Brady T, Mintz PD. Instituting a thawed plasma procedure: It just makes sense and saves cents. Transfusion 2009. (In Press)
  • Wehrli G, Mintz PD. Irradiation eradication and pathogen reduction. Ceasing cesium irradiation of blood products. Bone Marrow Transpl 2009. (In Press)
  • Fung MK, Crookston K, Wehrli G, et al.  Commentary: A Proposal for Curriculum Content in Transfusion Medicine/Blood Banking Education in Pathology Residency Programs.  Transfusion 2007;47:1930-1936.
  • Fabres J, Wehrli G, Marques M, et al.  Estimating Blood Needs for Very Low Birth Weight Infants.  Transfusion 2006;46:1915-1920.
  • Wehrli G.  Update in Therapeutic Apheresis.  Current Hematology Reports, 2005; 4(6):477-482.
  • Gruszecki A, Wehrli G, et al.  Management of a Patient with HIV Infection-induced Anemia and Thrombocytopenia who presented with Thrombotic Thrombocytopenic Purpura.  Am J Hematol 2002; 69:228-231.
  • Saxena S, Wehrli G, Makarewicz K, et al.  Monitoring for Underutilization of RBC Components and Platelets.  Transfusion 2001; 41:587-595.
  • Wehrli G, Defining the Key Elements of an Optimal Residency Program.  Washington: Association of American Medical Colleges, 2001.


  • 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.