Gary Alan Bass, MD, MS, MBA, MRCSI, PhD, FEBS(Em Surg)
Trauma Surgery, General Surgery
Accepting new patients
Sees patients age 18 and up
Penn Traumatology, Surgical Critical Care and Emergency Surgery University City
View 1 additional location
Penn Medicine Provider

About me

  • Assistant Program Director, Surgical Critical Care & Acute Care Surgery Fellowships
  • Medical Director, Surgical Critical Care, Pennsylvania Hospital
  • Medical Director, Emergency Surgery Service at Pennsylvania Hospital
  • Assistant Professor of Surgery at the Hospital of the University of Pennsylvania
  • Assistant Professor of Biostatistics and Epidemiology

Education and training

  • Medical School: Royal College of Surgeons
  • Residency: Baylor College of Medicine
  • Fellowship: Hospital of the University of Pennsylvania

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Penn Medicine Rittenhouse Long-Term Acute Care Hospital
Dr. Bass is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Duffy CC, Bass GA, Kaplan LJ, Bonafide CP, O'Sullivan EP, Baker PA. From rare procedure to institutional capability: embedding systematic training and adoption of emergency front of neck access , Br J Anaesth: 2025


Matteo Maria Cimino, Gary Alan Bass, Hayato Kurihara, Gabriele Bellio, Matteo Porta, Luigi Cayre, Shahin Mohseni, Matthew J Lee, Lewis J Kaplan and Isidro Martinez-Casas for the ESTES SnapSBO Group Management and Outcome Variability in Hernia-Related Small bowel obstruction: Insights from SnapSBO , BJS Open: 2025


McLaughlin C, Kaplan LJ, Martinez-Casas I, Mohseni S, Cimino M, Kurihara H, Lee MJ, Bass GA. Initial adhesive small bowel obstruction management pathway drives infectious complication occurrence , Surg Infect (Larchmt), 26(7): 2025,561-567


Martinez-Casas I, Kaplan LJ, Garcia Sánchez CJ, Pareja Ciuró F, Cimino M, Kurihara H, Lee MJ, Mohseni S, Bass GA; SnapSBO Collaborators. Preoperative factors influence technique selection in surgical management of small bowel obstruction: findings from the SnapSBO multinational prospective observational study , Surg Endosc, 39(9): 2025,7652-7664


Bath MF, Amoako J, Kohler K, Hashi AS, Zhang Z, Baderhabusha DU, Cáceres E, Nuño-Guzmán CM, Marsden M, Carenzo L, Khajanchi M, Saleh R, Edmiston T, Hammer C, Hobbs L, Smith BG, Hutchinson P, Weiser TG, Perkins ZB, Hardcastle TC, Bashford T; GOAL-Trauma Collaborative. Global variation in patient factors, interventions, and postoperative outcomes for those undergoing trauma laparotomy: an international, prospective, observational cohort study , Lancet Glob Health: 2025


Santos Carlin P, Coons M, Bele P, Kaplan LJ, Culkin M, Georges A, Jacovides CL, Martinez-Quinones P, Meaney D, Kauffman A, Smith D, Bass GA, Pascual JL. Sex-related differences in cognition after severe murine traumatic brain injury: A Morris water maze study evaluating learning and memory , J Trauma Acute Care Surg, 98(6): 2025,883-891


El Boghdady M, Hardie J, Brennan PA; TED Collaborative Group. Theatre etiquette Delphi: the development of a guide on professional conduct and best practices in operating environments , Ann R Coll Surg Engl: 2025


Duffy CC, Lepore G, Bass GA, Abraham J. A Systematic Review of Postoperative Care Transition Interventions: Examining the Implementation of Handoff Protocols and Checklists , Anesth Analg, 140(5): 2025,1030-1045


Valcarcel CR, Bieler D, Bass GA, Gaarder C, Hildebrand F; ESTES Polytrauma Consensus Group. ESTES recommendations for the treatment of polytrauma-a European consensus based on the German S3 guidelines for the treatment of patients with severe/multiple injuries , Eur J Trauma Emerg Surg, 51: 2025,171


Kaplan LJ, Martinez-Casas I, Mohseni S, Cimino M, Kurihara H, Lee MJ, Bass GA; SnapSBO Collaborators. Small bowel obstruction outcomes according to compliance with the World Society of Emergency Surgery Bologna guidelines , Br J Surg, 112: 2025,znaf080


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