Alfred Trappey, M.D.

Alfred Francois Trappey, M.D.


  • Assistant Clinical Professor


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

UC Davis Medical Center - Cypress Building

2221 Stockton Blvd., Suite E
Sacramento, CA 95817
Driving Directions

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

Philosophy of Care

Dr. Trappey believes in providing the highest quality of care to all of his patients.  He believes this is accomplished at the bedside and through clinical research.  

Clinical Interests

Dr. Trappey's clinical interests include:  Acute care surgery, Minimally invasive surgery, Hernia repair, and Biliopancreatic disease.

Research/Academic Interests

Dr. Trappey's ongoing research projects involve pediatric surgical clinical research, trauma management, and trauma resuscitation.


Division of Trauma, Acute Care Surgery and Surgical Critical Care

Center/Program Affiliation

Trauma Program


M.D., Louisiana State University School of Medicine, New Orleans LA 2010

B.S., Davidson College, Davidson NC 2006

Internship: General Surgery, Brooke Army Medical Center, San Antonio TX 2010-2011


General Surgery, Brooke Army Medical Center, San Antonio TX 2011-2016


Research Fellowship - Cancer Vaccine Development Program, Brooke Army Medical Center, San Antonio TX 2012-2013

Board Certifications

American Board of Surgery,

Professional Memberships

American College of Surgeons

Select Recent Publications

Berry JS, Trappey AF, Vreeland TJ, Pattyn AR, Clifton GT, Berry EA, Schneble EJ, Kirkpatrick AD, Saenger JS, Peoples GE. Analysis of Clinical and Pathologic Factors of Pure, Flat Epithelial Atypia on Core Needle Biopsy to Aid in the Decision of Excision or Observation. Cancer. 2016 Jan 1;7(1): 1-6. 

Nissen A, Trappey AF, Edwards MJ.  Thoracoscopically-assisted doxycycline sclerotherapy for a microcystic thoracoabdominal lymphatic malformation in a 3-month-old patient.  J of Pediatric Surgery Case Reports.  2016 Feb; (5) 12-14.  

Schneble EJ, Berry JS, Trappey AF, Clifton GT, Poniah S, Mittendorf E, Peoples GE. The HER2 peptide nelipepimut-S (E75) vaccine (NeuVaxTM) in breast cancer patients at risk for recurrence: Correlation of immunologic data with clinical response. Immunotherapy. 2014 May;6(5):519-31.

John S. Berry, Alfred Trappey, Joseph L. Petfield, et al. Anal Necrosis Following Pelvic Crush Injury. Nov 28, 2012.