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 Head, Emergency Medicine
Director, Arizona Emergency Medicine Research Center
Professor, Emergency Medicine
Professor, Public Health
Member of the Graduate Faculty
Residency Program Leadership
Jessica Bates, MD
Associate Clinical Professor, Emergency Medicine
Associate Program Director, South Campus Emergency Medicine Residency Program
Albert B. Fiorello, MD, FAAEM, FACEP
Associate Professor, Emergency Medicine - (Clinical Scholar Track)
Director, Emergency Medicine University Campus Residency
Aaron N. Leetch, MD, FACEP
Associate Professor, Emergency Medicine - (Clinical Scholar Track)
Associate Professor, Pediatrics - (Clinical Scholar Track)
Director, Combined EM & Peds Residency
Clinical Specialties
Emergency Medicine
Pediatrics
Medical Education
Fellowship Program Leadership
Srikar R. Adhikari, MD, MS, FACEP
Professor, Emergency Medicine
Section Chief, Emergency Ultrasound
Director, Emergency Ultrasound Fellowship
Vice Chair, Faculty Affairs
Member of the Graduate Faculty
Holly Beach, MD
Associate Professor, Family and Community Medicine - (Clinical Scholar Track)
Fellowship Director, Sports Medicine Fellowship
Joshua B. Gaither, MD, FACEP
Chief, Division of EMS
EMS Fellowship Director
Professor, Emergency Medicine - (Clinical Scholar Track)
Clinical Specialties
Emergency Medicine
Emergency Medical Services
Jarrod M. Mosier, MD
Professor, Emergency Medicine
Professor, Medicine
Associate Program Director, Critical Care Fellowship
Medical Director, Adult ECMO (Extracorporeal Membrane Oxygenation) Service
Clinical Specialties
Emergency Medicine
Critical Care Medicine
Vivienne Ng, MD, MPH
Associate Professor, Emergency Medicine - (Clinical Scholar Track)
Director, Medical Simulation Fellowship
Associate Director, University Campus Residency, Emergency Medicine
Farshad “Mazda” Shirazi, MD, PhD, FACEP, FACMT
Program Director, Medical Toxicology Fellowship
Professor, Emergency Medicine - (Clinical Scholar Track)
Medical Director, Arizona Poison and Drug Information Center
Professor, Pharmacology
Professor, Pharmacy Practice-Science
Arizona Emergency Medicine Research Center
Kurt R. Denninghoff, MD
Distinguished Professor, Emergency Medicine
Professor, Optical Sciences
Professor, BIO5 Institute
Member of the Graduate Faculty
Daniel W. Spaite, MD
Professor, Emergency Medicine
Member of the Graduate Faculty