Emergency Medicine
About the Department of Emergency Medicine
The Department of Emergency Medicine demonstrates medical excellence by providing equitable access to outstanding medical care, world-class original research, and inclusive, innovative, and effective educational programs led by a team of diverse faculty dedicated to developing compassionate, culturally sensitive future physicians.
Department Leadership
Samuel M. Keim, MD, MSc
Department Chair, Emergency Medicine
Director, Arizona Emergency Medicine Research Center
Professor, Emergency Medicine
Professor, Public Health
Member, Graduate Faculty
Residency Program Leadership
Jessica Bates, MD
Associate Clinical Professor, Emergency Medicine
Program Director, South Campus Emergency Medicine Residency Program
Albert B. Fiorello, MD, FAAEM, FACEP
Associate Professor, Emergency Medicine (Clinical Scholar Track)
Program Director, Emergency Medicine University Campus Residency
Aaron N. Leetch, MD, FACEP
Associate Professor, Emergency Medicine (Clinical Scholar Track)
Program Director, Combined Emergency Medicine & Pediatrics Residency
Associate Professor, Pediatrics (Clinical Scholar Track)
Fellowship Program Leadership
Srikar R. Adhikari, MD, MS, FACEP
Professor, Emergency Medicine, tenured
Section Chief, Emergency Ultrasound
Director, Emergency Ultrasound Fellowship
Vice Chair, Faculty Affairs
Joshua B. Gaither, MD, FACEP, FAEMS
Professor, Emergency Medicine (Clinical Scholar Track)
Chief, Division of EMS
EMS Fellowship Director
EMS Degree Program Director
Jarrod M. Mosier, MD
Professor, Emergency Medicine, tenured
Professor, Medicine
Associate Director, Arizona Emergency Medicine Research Center – Tucson
Vice Chair for Research, Emergency Medicine
Associate Program Director, Critical Care Fellowship
Medical Director, ECMO (Extracorporeal Membrane Oxygenation) Service
Vivienne Ng, MD, MPH
Associate Professor, Emergency Medicine (Clinical Scholar Track)
Associate Program Director, University Campus Residency, Emergency Medicine
Program Director, Medical Simulation Fellowship
Farshad “Mazda” Shirazi, MD, PhD
Medical Director, Arizona Poison and Drug Information Center
Professor, Emergency Medicine (Clinical Scholar Track)
Program Director, Medical Toxicology Fellowship
Professor, Pharmacology
Professor, Pharmacy Practice-Science
Arizona Emergency Medicine Research Center
Jarrod M. Mosier, MD
Professor, Emergency Medicine, tenured
Professor, Medicine
Associate Director, Arizona Emergency Medicine Research Center – Tucson
Vice Chair for Research, Emergency Medicine
Associate Program Director, Critical Care Fellowship
Medical Director, ECMO (Extracorporeal Membrane Oxygenation) Service
Daniel W. Spaite, MD
Associate Director, Arizona Emergency Medicine Research Center – Phoenix
Professor, Emergency Medicine, tenured
Virginia Piper Distinguished Research Chair of Emergency Medicine
Emergency Medical Services Faculty