John R Benjamin

M.D., M.Sc., F.A.S.A.

Commander, Navy

Department of Primary Appointment:
School of Medicine
Location: Walter Reed National Military Medical Center, Bethesda, MD
Research Interests:
Trauma and Expeditionary Medicine
Malignant Hyperthermia
Office Phone


The Massachusetts General Hospital, Anesthesia/Critical Care Fellowship, 2010-2011
NCC Chief Resident, Anesthesiology, 2008-2009
NCC Resident in Anesthesiology, 2006-2008
Naval Medical Center San Diego, Surgery Internship 2002-2003
The Ohio State University College of Medicine, M.D. 1998-2002
Miami University, M.Sc. 1995-1998
Virginia Tech, B.S. 1985-1989


Thevathasan T, Copeland CC, Long D, Patrocinio MD, Friedrich S, Grabitz SD, Kasotakis G, Benjamin J, Ladha K, Sarge T, Eikermann M. The impact of postoperative intensive care unit admission on postoperative hospital length of stay: a prespecified propensity-matched cohort study. Anesth Analg 2018 Nov 21: [Epub ahead of print]

Schaller SJ, Anstey M, Blobner M, Edrich T, Grabitz S, Gradwohl-Matis I, Heim M, Kurth T, Latronico N, Lee J, Peponis T, Talmor D, Velmahos GC, Waak K, Walz JM, Zofonet R, Eikermann M. Early goal-directed mobilization in the surgical intensive care unit. A randomized control trial. Lancet 2016; 388: 1377-1388 (Member of the International Early SOMS-guided Mobilization Research Initiative)

Hudson, AJ, Benjamin J, Jardeleza T, Bergstrom C, Cronin W, Mendoza, Schultheis L. Clinical interpretation of peripheral pulse oximeters labled “not for medical use”. Ann Fam Med 2018; 16: 552-54

Kasotakis G, Schmidt U, Perry D, Grosse-Sundrup M, Benjamin J, Ryan C, Tully S, Hirschberg R, Waak K, Velmahos G, Bittner E, Zafonte R, Cobb P, Eikermann M. The surgical intensive care unit optimal mobility score predicts mortality and length of stay. Crit Care Med 2012; 40: 1122-1128

Serrano JG, Ryan C, Waak K, Hirschberg R, Tully S, Bittner EA, Chipman DW, Schmidt U, Benjamin J, Kasotakis G, Zafonte R, Eikermann M. Early mobilization in critically ill patients: patients’ mobilization level depends on health care provider’s profession. PM&R 2011; 3: 307-313