Sarah Barnhard, M.D.

Sarah Barnhard, M.D.


Pathology - Anatomic

Pathology - Clinical

Transfusion Medicine/Therapeutic Apheresis


  • Health Sciences Assistant Clinical Professor
  • Lead Clinical Sponsor of Transfusion Registry
  • Director of Transfusion Medicine


To see if Sarah Barnhard is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).

UC Davis Medical Center

2315 Stockton Blvd.
Sacramento, CA 95817
Driving Directions

Primary Phone:
800-2-UCDAVIS (800-282-3284)

Additional Phone Numbers

Phone: 916-734-2011
Fax: 916-703-5021
Physician Referrals: 800-4-UCDAVIS (800-482-3284)



Clinical Interests

As a subspecialty pathologist in transfusion services, Dr. Barnhard devotes her clinical time to seeing both inpatients and outpatients on the apheresis consult service. She also oversees blood bank functions and performs consultative services from the transfusion services department.

She teaches medical students, residents, and fellows in all aspects of transfusion medicine best practices and is highly integrated with the hospital quality and safety personnel regarding blood transfusion practices health-system wide.

She has a passionate interest in integrating health informatics with diagnostic testing and clinical care to improve system efficiency and data accessibility.

Research/Academic Interests

Therapeutic apheresis, international transfusion medicine, blood utilization


Anatomic Pathology
Clinical Pathology


M.D., Weill-Cornell Medical College, New York NY 2010

B.S., Grand Valley State University, Allendale MI 2005


Pathology and Laboratory Medicine, UC Davis Medical Center, Sacramento CA 2010-2014


Transfusion Medicine, UC Davis Medical Center, Sacramento CA 2014-2015

Board Certifications

American Board of Pathology, Anatomic and Clinical Pathology, 2014

American Board of Pathology, Blood Banking/Transfusion Medicine, 2015

Professional Memberships

American Association of Blood Banks

American Society of Apheresis

American Society of Clinical Pathology

College of American Pathologists

Honors and Awards

Barnhard SE. Diagnostic Difficulties in Neonatal Thrombocytopenia. Invited speaker. CBBS/SCABB Annual Meeting 2015. Las Vegas NV, 2015

Select Recent Publications

Barnhard SE, Fazli N, Dwyre D, Fernando L, Parsons JC. Evaluation of Oral Calcium Carbonate Prophylaxis for Therapeutic Plasma Exchange during a Calcium Gluconate Shortage. Transfusion 2013 Sep 11;53(S2):268A.

Barnhard SE, Pai A, Chew HK, Song JY. Richter’s Syndrome with Aberrant CD2 and CD4 Expression. J Clin Oncol 2012 Sept 10;30(26):e243-e245.

Barnhard SE, Borys D. Chondromyxoid Fibroma: A New Translocation and Review of the Literature. Arch Pathol Lab Med 2012 Sept; 136(9):1128.

Barnhard SE, Gosselin B, Chen M. Acquired Type 2A Von Willebrand’s Disease Mimicking the Inherited Coagulation Disorder: A Diagnostic Challenge. Arch Pathol Lab Med 2011 Sep;135(9):1156-1157.

Steenport M, Khan KM, Du B, Barnhard SE, Dannenberg AJ, Falcone DJ. Matrix metalloproteinase (MMP) -1 and MMP-3 induce macrophage MMP-9: evidence for the role of TNF-alpha and cyclooxygenase-2. J Immunol 2009 Dec 15;183(12):8119-27.