Marlon A. Guerrero, MD, FACS
Associate Professor, Surgery
Associate Professor, Otolaryngology
Vice Chair of Quality and Performance
Gail Del Carmen Guerrero-Tucker, MD
Assistant Clinical Professor, Family and Community Medicine
Alyssa Ann Guido, MPH
Program Director, HIV Programs and PAETC Arizona
Crystal A. Guillen, DO
Resident/Fellow
John A. Guisto, MD, FACEP
Professor, Emergency Medicine (Clinical Scholar Track)
Elisa Gumm, DO, FASAM
Associate Clinical Professor, Psychiatry
Program Director, Addiction Medicine Fellowship
