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Faculty

Chris Fox, MD
Professor of Clinical Emergency Medicine and Chair
Director, Emergency Ultrasound Fellowship
Director of Ultrasound in Medical Education

Isabel M. Algaze Gonzalez, MD
Associate Clinical Professor of Emergency Medicine
Fellowship Director, Wilderness Medicine
Medical Director, Catalina Island Medical Center Emergency Department

Rishi Bhargava, MD
Associate Clinical Professor of Emergency Medicine
Director, Pediatric Emergency Medicine

Michael J. Burns, MD
Emeritus Clinical Professor of Emergency Medicine and Internal Medicine 
Infectious Diseases, Geriatric Medicine

Bharath Chakravarthy, MD MPH
Professor of Clinical Emergency Medicine and Public Health
Vice Chair of Research and Academic Affairs
Co-Director, Research Fellowship in Population Health
Director, MD/MPH Dual Degree Program

Carrie E. Chandwani, MD
Clinical Professor of Emergency Medicine
Vice-Chair, Clinical Operations
Director, ED Administration Fellowship
Bed Czar, UCI Health
Quality and Safety Officer, UCI Health

Ryan Gibney, MD
Assistant Clinical Professor of Emergency Medicine
Assistant Director, ED Administration Fellowship
Associate Medical Director, Emergency Department
Medical Director, UCI Health Care at Home Platform
Bed Czar, UCI Health

Megan Guy, MD
Assistant Clinical Professor of Emergency Medicine
Associate Director, Emergency Ultrasound Fellowship

Theodore Heyming, MD
Volunteer Assistant Clinical Professor
Chair, Emergency Medicine, Children’s Hospital of Orange County (CHOC)

Edmund Hsu, MD
Assistant Clinical Professor of Emergency Medicine
Director, Ultrasound
Associate Director of Ultrasound in Medical Education

Robert Katzer, MD MBA
Clinical Professor of Emergency Medicine
Associate Director, Emergency Medical Services
Associate Director, Base Hospital
Medical Director, City of Anaheim Fire and Rescue Department
Medical Director, Honda Center

Mark I. Langdorf, MD MHPE
Professor of Clinical Emergency Medicine
Editor-In-Chief, Western Journal of Emergency Medicine: Integrating Emergency Care with Population Health

Shahram Lotfipour, MD MPH
Clinical Professor of Emergency Medicine
Co-Director, Research Fellowship in Population Health
Managing Editor, Western Journal of Emergency Medicine (WestJEM) and Clinical Practice and Cases in Emergency Medicine (CPC-EM)

Shahrdad Lotfipour, PhD
Assistant Professor of EM and Pharmaceutical Sciences
Director of Translational Addiction Laboratory
Co-Director of the Excellence in Research Program, School of Medicine

Danielle Matonis, MD
Assistant Clinical Professor of Emergency Medicine
Co-Director, Clerkship Program

Christopher Eric McCoy, MD MPH
Professor of Clinical Emergency Medicine
Medical Director, Base Hospital
Director, Emergency Medical Services
Director, Simulation Fellowship

Megan Boysen Osborn, MD MHPE
Professor of Clinical Emergency Medicine
Vice Chair of Education
Sr. Associate Dean of Students

Madeline Palmer, MD
Assistant Clinical Professor of Emergency Medicine
Director, Quality Improvement

Ronald Rivera, MD
Assistant Clinical Professor of Emergency Medicine
Director of Diversity, Equity, and Inclusion
Co-Director, Clerkship Program

Jennifer Roh, MD MBA 
Assistant Clinical Professor of Emergency Medicine

Scott E. Rudkin, MD MBA RDMS
Clinical Professor of Emergency Medicine
Director, Fellowship in Clinical Informatics

Soheil Saadat, MD MPH PhD
Research Specialist

Jonathan Smart, MD
Assistant Clinical Professor of Emergency Medicine
Assistant Program Director, Residency

Lindsey Spiegelman, MD
Assistant Clinical Professor of Emergency Medicine
Medical Director, Emergency Department
Medical Director, Clinical Decision Unit (CDU)
ED Clinical Informaticist

Jeffrey R. Suchard, MD
Professor of Clinical Emergency Medicine and Pharmacology
Director, Medical Toxicology
Associate Dean for Basic Science Education

Shannon Toohey, MD MAEd 
Associate Professor of Clinical Emergency Medicine
Program Director, Residency

Federico E. Vaca, MD, MPH
Professor and Executive Vice Chair
Department of Emergency Medicine

Warren Wiechmann, MD MBA
Professor of Clinical Emergency Medicine
Sr. Fellowship Director, Multimedia Design Education Technology
Associate Dean of Clinical Science Education & Educational Technology

Alisa Wray, MD, MAEd
Associate Professor of Clinical Emergency Medicine
Associate Program Director, Residency
Resident SIM Director
Director of Clinical Skills Assessment
Course Director, Clinical Foundations

Sean D Young, PhD MS
Professor of Emergency Medicine and Informatics
Executive Director of the University of California Institute for Prediction Technology (UCIPT)

Fellows 2023-2024 (Roster)

Erin Slobodyan, MD
Wilderness Fellow

Alexander Kreisman, MD
Multimedia Design & Instructional Technology Fellow

Kyle Dornhofer, MD
Ultrasound Fellow

Amanda dos Santos, MD
Ultrasound Fellow

Parth Patel, MD
Medical Simulation Fellow

Luke Walls-Smith, MD
Administrative Fellow

Monil Patel, MD
ACGME Clinical Informatics, IM Fellow

Allen Yiu, MD
ACGME Clinical Informatics, PEDS Fellow

Graham Stephenson, MD
ACGME Clinical Informatics, EM Fellow

Christopher Gilani, MD
ACGME Critical Care, ANES Fellow

Jana Florian, MD
ACGME Critical Care, IM Fellow

Colleen Walsh Lang, MD
ACGME Pediatric Emergency Medicine, CHOC Fellow

Volunteer Faculty

Matthew Abrishamian, MD

Omid Adibnazari, MD

Faried Banimahd, MD

Josh R Beck, MD

Janice Boughton, MD

Yvette Brooks, MD

Caleb Patrick Canders, MD

Kenneth Chuang, MD

Heather Evanson MD

Gary Michael Gaddis, MD

Stephen Gau, MD

Theodore Heyming, MD

Kevin Mark Koenig, MD

Richard Joseph Kozak, MD

Benjamin Labrot, MD

Clarke Lew, MD

Natasha Li, MD

Bobby Massoudian, MD

Peter K Milano, MD

Tuan D Nguyen, MD

Sean P Nordt, MD

Aaron Granville Pannier, MD

Mary Jane Piroutek, MD

Jamie Reisch, MD

Michael Steven Ritter, MD

Tamer Salib, MD

Freddy Sotelo, MD

Kohtaroh B Takamura, MD

Scott Lee Takano, MD

Sone-Seere' Wilson, MD

Andrew Wittenberg, MD

Brittany Marie Wootten, MD

Shelly Xing, MD

Eva Yuan, MD

Christel M Zeumer, MD

Staff Physicians

Amy Briggs, MD

Heesun Choi, DO

Alexandra Herndon, MD

Jessica M Hoffmann, MD

Wirachin Hoonpongsimanont, MD

Maxwell Y Jen, MD

Jerry B Kim, MD

Cali Lynnette Kirkham-Garcia, MD

Kristin Lewis, MD

Scott W Pierce, MD

Adriana Rodriguez Vazquez, MD

Robert J Rowe, MD

Inna Shniter, MD

Daniel Joseph Trueba, MD

Matthew Dean Whited, MD

Allen L Yang, MD