EMERGENCY DEPARTMENT LEADERSHIP


Thomas Wyatt, MD

Chair of Emergency Medicine

Dr. Wyatt has been a faculty member in the Department of Emergency Medicine since returning to Hennepin County Medical Center in 2013 after practicing Emergency Medicine in the community. He has significant expertise in administrative and clinical operations and is very active at the state and national levels in advocacy for the practice of emergency medicine. Previously serving as the Senior Medical Director for Emergency Services and a Member of the Board of Trustees for Hennepin Healthcare, Dr. Wyatt is currently the Chair of Emergency Medicine.

Medical School: University of North Dakota School of Medicine

Residency: Emergency Medicine, Hennepin County Medical Center



Rochelle Zarzar, MD MACM MBA

Senior Medical Director for Emergency Services

Dr. Zarzar completed her Emergency Medicine Residency in 2017 and a Fellowship in Medical Education and Simulation, both at Hennepin County Medical Center. After obtaining her Masters in Academic Medicine through the University of Southern California, she joined Hennepin County Medical Center as a faculty member in the Department of Emergency Medicine and served as one of the Associate Program Directors for the Emergency Medicine Residency Program. More recently she transitioned to current role as Senior Medical Director for Emergency Services at Hennepin Healthcare and completed her MBA at the University of Minnesota.

Medical School: University of Virginia

Residency: Emergency Medicine, Hennepin County

Fellowship: Medical Education & Simulation, Hennepin County



Laura Schrag, MD

Medical Director

Dr. Schrag returned to Hennepin County Medical Center where she completed her residency after practicing Emergency Medicine in the community. She has significant expertise in proper documentation and coding for health care providers as well as administrative and clinical operations.

Medical School: Chicago Medical School – Rosalind Franklin University

Residency: Emergency Medicine, Hennepin County Medical Center



Rob Reardon, MD

Director of Clinical & Procedural Innovation

Dr. Reardon completed his Emergency Medicine residency at the State University of New York at Buffalo in 1997 and then rejoined the faculty at Hennepin in 1998. His areas of research interest include emergency airway management and emergency and critical care ultrasound. He is the Program Director for the Emergency Ultrasound fellowship at HCMC and is the course director for Ultrasound for Clinicians and a course instructor for The Difficult Airway Course.

Dr. Reardon is an accomplished author and editor having contributed to such medical textbooks as Roberts and Hedges’ Clinical Procedures in Emergency Medicine 6th Edition, Walls and Murphy’s Manual of Emergency Airway Management 4th Edition, Ma and Mateer’s Pocket Atlas of Emergency Ultrasound and Emergency Ultrasound 3rd Edition.

Medical School: University of Minnesota Medical School

Residency: State University of New York at Buffalo



Aaron Robinson, MD MPH FAEMS

Critical Care Division Head

Dr. Robinson attended medical school at the University of Wisconsin prior to completing his Emergency Medicine Residency and EMS Fellowship at Hennepin County Medical Center. He is Medical Director of Research and Critical Care at Hennepin EMS. He joined the HCMC EM Faculty in 2021. His academic interests include airway management, critical care in the ED and prehospital settings, and American Indian Health. Dr. Robinson is a member of the Menominee Indian Tribe of Wisconsin.
Medical School: University of Wisconsin School of Medicine and Public Health
Residency: Emergency Medicine, Hennepin County Medical Center
Fellowship: EMS, Hennepin County Medical Center / Hennepin EMS


Glenn Paetow, MD MACM

Education Division Head

Dr. Paetow completed his Emergency Medicine Residency and a Fellowship in Medical Education and Simulation, both at Hennepin County Medical Center. After obtaining his Masters in Academic Medicine through the University of Southern California, he joined Hennepin County Medical Center as a faculty member in the Department of Emergency Medicine and is the Program Director for the Emergency Medicine Residency Program. His academic interests include graduate medical education, wellness, simulation, quality improvement, and culturally responsive healthcare.

Medical School: University of Maryland

Residency: Emergency Medicine, Hennepin County

Fellowship: Medical Education & Simulation, Hennepin County



Nick Simpson, MD

EMS Division Head

Dr. Simpson completed his Emergency Medicine Residency in 2014 and a Fellowship in Emergency Medical Services, both at Hennepin County Medical Center. After spending a few years working in a community ED in the Twin Cities, he joined Hennepin County Medical Center as a faculty member in the Department of Emergency Medicine and now serves as the Chief Medical Director for EMS, Associate Medical Director for Hennepin ECMO Program, and is an Associate Professor of Emergency Medicine at the University of Minnesota

Medical School: University of Virginia

Residency: Emergency Medicine, Hennepin County

Fellowship: EMS, Hennepin County



Steve Dunlop, MD MPH CTropMed® FACEP

Global and Underserved Medicine Division Head

Dr. Stephen Dunlop is an attending physician at Hennepin County Medical Center, Associate Professor of Emergency Medicine at the University of Minnesota, Director of the Fellowship in Global Emergency Medicine with an appointment as an ASTMH certified Global Health Course Co-Director focusing on education in Ultrasound, Trauma and Simulation in resource poor settings.  Dr. Dunlop serves as an educator and technical advisor for the International Organization for Migration focusing on migration of medically complex refugees.  He has years of on the ground experience in East Africa as an Attending at the first EM residency in Sub-Saharan Africa, focusing on education, research and systems development of Acute Care systems.

Medical School: University of Minnesota

Residency: Emergency Medicine, Hennepin County

Fellowship: Global Emergency Medicine, Hennepin County



Tom Masters, MD FACEP FAAEM

HBO Division Head

Dr. Masters completed his Emergency Medicine Residency at Wright State University in 2011 and spent several years practicing in community emergency departments in Omaha, NE. He then moved to Minneapolis to complete a Fellowship in Undersea and Hyperbaric Medicine at Hennepin County Medical Center in 2015. Dr. Masters now serves as the Medical Director of the Division of Undersea and Hyperbaric Medicine at Hennepin Healthcare. His academic interests include limb preservation, frostbite, and central retinal artery occlusion (CRAO).

Medical School: Wright State University

Residency: Emergency Medicine, Wright State University

Fellowship: Undersea and Hyperbaric Medicine, Hennepin County Medical Center



Anna McFarlin, MD FACEP FAAP

Pediatric EM Division Head

Dr. McFarlin completed her Emergency Medicine Residency in 2012 and Pediatrics Residency in 2015, both at LSU in New Orleans.  She became faculty in the Emergency Departments at University Medical Center of New Orleans (Spirit of Charity) and at Children’s Hospital of New Orleans.  She created and was program director of the Combined Emergency Medicine-Pediatrics Residency Program there until 2025 when she joined Hennepin Healthcare as emergency medicine faculty and Director of Pediatric Emergency Medicine.

Medical School: University of South Florida

Residency: Emergency Medicine, LSU – New Orleans

Residency: Pediatrics, LSU – New Orleans



Mike Puskarich, MD MSCR FACEP

Research Division Head

Dr. Puskarich completed his Emergency Medicine Residency at Carolinas Medical Center in Charlotte, NC, followed by a post-doctoral research fellowship  supported by the AHA. He subsequently practiced at the University of Mississippi Medical Center, where he completed an NIGMS K23 award focused on mitochondrial dysfunction in sepsis. He joined Hennepin’s faculty in 2018, and serves as research director and the research fellowship director. Dr. Puskarich is an internationally recognized clinical trialist and translational researcher with a topic expertise in the early diagnosis, prognosis and treatment of sepsis, and a particular expertise in sepsis-induced metabolic dysfunction.
Medical School: University of Wisconsin-Madison
Residency: Emergency Medicine, Carolinas Medical Center
Fellowship: Clinical Research, Carolinas Medical Center


Jon Cole, MD FACEP FACMT FAACT

Toxicology Division Head

Dr. Cole completed his emergency medicine residency at Hennepin County Medical Center in 2009.  Upon completion of his fellowship in medical toxicology in 2011 he joined the emergency medicine faculty at Hennepin and assumed the role of medical director of the Minnesota Regional Poison Center.
Medical School: University of Colorado

Residency: Emergency Medicine, Hennepin County Medical Center

Fellowship: Medical Toxicology, HealthPartners Institute/Regions Hospital



Andy Laudenbach, MD

Ultrasound Division Head

Dr. Laudenbach completed his Emergency Medicine Residency in 2011 and an ultrasound fellowship in 2012, both at New York Methodist Hospital in Brooklyn, NY. After completing fellowship, he joined Hennepin County Medical Center as a faculty member in the Department of Emergency Medicine and now serves as the Chief Medical Director for Ultrasound.

Medical School: University of Minnesota

Residency: Emergency Medicine, New York Methodist Hospital

Fellowship: Ultrasound, New York Methodist Hospital



About Us

The Department of Emergency Medicine is comprised of the physicians, physician-assistants and staff dedicated to the delivery of emergency medical services for HCMC. Emergency Medicine Faculty physicians provide emergency medical care, teach students of many types, and conduct research leading to innovation of emergency care.

Our Residency Program in Emergency Medicine, its residents, and its graduates are a source of great pride for our Department. It began in 1972 with two residents, years before recognition of the discipline of Emergency Medicine as a medical specialty. Today we match 14 residents per year in our three-year program.

Hennepin County Medical Center
Dept of Emergency Medicine
701 Park Ave
Minneapolis, MN 55415
(612) 873-5683

© Hennepin County Medical Center. All rights reserved.