Our Team
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Matthew Riscinti, MD, AEMUS-FPD
Fellowship Mentor
Director of Emergency Ultrasound
Director of System Wide Ultrasound
Denver Health Medical Center
Assistant Professor, University of Colorado School of Medicine
Fellowship: Denver Health 2019-2020
Residency: 2015-2019 Kings County/SUNY Downstate, Brooklyn, NYC
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Amanda Toney, MD
Pediatric Emergency Ultrasound Fellowship Director
Director of Pediatric Emergency Ultrasound
Staff Physician, Denver Health Medical Center
Associate Professor, University of Colorado School of Medicine
Fellowship: Denver Health 2012-2013
PEM Fellowship: Children’s Hospital Colorado 2009-2012
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Nhu-Nguyen Le, MD, FAEMUS
Fellowship Director, Denver Health Medical Center
Assistant Professor, University of Colorado School of Medicine
Fellowship: Denver Health 2021-2022
Residency: LAC+USC 2018-2022
nhunguyen.le@denverem.org
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Fred Milgrim, MD, FAEMUS
Assistant Fellowship Director, Denver Health Medical Center
Director, Residency Ultrasound Education, Denver Health Medical Center
Associate Director, Longitudinal Ultrasound Curriculum, University of Colorado School of Medicine
Assistant Professor, University of Colorado School of Medicine
Fellowship: Denver Health 2023-2024
Residency: Mount Sinai Hospital 2019-2023
fred.milgrim@denverem.org
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Molly Thiessen, MD
Ultrasound Fellowship Director, Emeritus
Staff Physician, Denver Health Medical Center
Associate Professor, University of Colorado School of Medicine
Fellowship: Denver Health 2011-2012
Residency: Denver Health
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Alexandria Davis
Administrative Assistant
Fellowship Coordinator
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Juliana Wilson, DO
Director Longitudinal Ultrasound Curriculum - University of Colorado School of Medicine
ED POCUS Group lead Co-Chair Anschutz POCUS Committee
Associate Professor, University of Colorado School of Medicine
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Joe Brown, MD, AEMUS-FPD
Assistant Professor, University of Colorado School of Medicine
Fellowship: University of California, San Francisco 2018-2019
Residency: University of California, San Diego
Joseph.R.Brown@cuanschutz.edu
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Ryan Tucker, MD, AEMUS-FPD
Assistant Professor, University of Colorado School of Medicine
Fellowship: Denver Health, 2018-2019
Residency: University of Michigan, 2014-2018
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Michael A. Heffler, MD, AEMUS-FPD
Clinical Instructor, University of Colorado School of Medicine
UCHealth University of Colorado Hospital
UCHealth Highlands Ranch Hospital
Fellowship: Denver Health 2022-2023
Residency: Denver Health 2018-2022
michael.heffler@cuanschutz.edu
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Samuel H. F. Lam, MD, MPH, AEMUS-FPD
Samuel H. F. Lam, MD, MPH
Co-Director of Ultrasound, Children's Hospital Colorado Section of Emergency Medicine
Staff Physician, Denver Health Medical Center
Professor, University of Colorado School of Medicine
Fellowship: Advocate Christ Medical Center
Residency: UMass Medical Center
Hiu.Lam@childrenscolorado.org, HiuFung.Lam@dhha.org
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Julia Aogaichi Brant, MD
Co-Director of Ultrasound, Children’s Hospital Colorado, Section of Emergency Medicine
Assistant Professor, University of Colorado School of Medicine
Fellowship: Denver Health 2018-2019
PEM Fellowship: Children’s Hospital Colorado 2020-2023
Residency: Children’s Hospital Colorado 2013-2016
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Peter Alsharif, MD, AEMUS-FPD
Clinical Instructor, Denver Health
Fellowship: Denver Health, 2024-2025
Residency: Rutgers-NJMS
Peter.alsharif@denverem.org
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Gabe Siegel, MD, AEMUS-FPD
Senior Clinical Instructor, University of Colorado School of Medicine
Fellowship: Denver Health, 2024-2025
Residency: Denver Health, 2020-2024
gabe.siegel@denverem.org
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Jamie Pospishil, MD
Clinical Instructor, Denver Health
Fellowship: Denver Health, 2025-2026
Residency: Kings County/SUNY Downstate, Brooklyn, NYC
jamie.pospishil@denverem.org
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VAUGHN A. BROWNE, MD, PH.D.
Associate Professor of Emergency Medicine at the University of Colorado School of Medicine