Xiomara Fernandez Xiomara Fernandez
Assistant Professor of Pathology

Office Phone: 202-715-4356
Email: Email
Department: Pathology


  • Medical Doctorate, San Juan Bautista, S Med, 2013


  • BS, University of California Irvine, 2006
  • Medical Doctorate, San Juan Bautista, S Med, 2013
  • General Surgery Internship, University of Southern California, 2014
  • AP/CP, University of Hawaii Residency Program, 2018
  • Blood Bank Transfusion Medicine Fellowship, University of Pittsburgh Medical Center, 2019

Xiomara Fernandez, MD is an Assistant Professor in the Department of Pathology and Medical Director of Transfusion Medicine and Coagulation at the George Washington University Hospital. Prior to joining GW, she completed a Transfusion Medicine Fellowship at the University of Pittsburgh Medical Center and an Anatomic/Clinical Pathology Residency at the University of Hawaii Residency Program. During residency she was the elected as Co-Chair Resident representative of the Graduate Medical Education Committee for two consecutive years.

Clinical Expertise

Dr. Fernandez’s clinical practice is in transfusion medicine with particular expertise in transfusion support in the settings of trauma, hematology/oncology, solid organ and stem cell transplantation. Her particular focus is to support and optimize blood usage during massive resuscitation.



Dr. Fernandez’s research interests include blood utilization in trauma, management of coagulation disorders following trauma, and patient blood management.


Transfusion Medicine / Coagulation (Blood Bank)


Fernandez X, Nguyen K. The Age of Blood. CBBS, Today – Journal of the California Blood Bank Society. 34(1):18-22.

Thakral G, Vierkoetter K, Namiki S, Lawicki S, Fernandez X, Ige K, Kawahara W, Lum C. AML multi-gene panel testing: A review and comparison of two gene panels. Pathology- Research and Practice. 212(5):372-80

Fernandez X, Ortega-Lopez A, Powers A. Evaluation of Type-AB Plasma Usage in A Medical Referral Center for the Pacific Basin. American Association of Blood Banks. Orlando, FL. Transfusion. 2016 56(S4): 169A.

Fernandez X, Hsieh EH, Wang J, Hamer M, Calvillo S, Croft M, Kwon BS, Lo DD. CD137 is required for M cell functional maturation but not lineage commitment. The American Journal of Pathology. 177(2):666-76.

Rajapaksa TE, Stover-Hamer M, Fernandez X, Eckelhoefer HA, Lo DD. Claudin 4-targeted protein incorporated into PLGA nanoparticles can mediate M cell targeted delivery. Journal of Controlled Release. 142(2):196-205.

Industry Relationships and Collaborations

This faculty member (or a member of their immediate family) has reported a financial interest with the health care related companies listed below. These relations have been reported to the University and, when appropriate, management plans are in place to address potential conflicts.

  • None