Abrazo Emergency Medicine Residency Faculty & Residents

Core Faculty

Matthew N. Graber, MD PhD
Program Director
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Dr. Ilana Mayer-Hirshfeld, MD
Associate Program Director
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Caleb Rees, MD, FAAEM
EMS Medical Director
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Jacob Gerstman, MD
Assistant Program Director
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Joseph Wood, MD JD
Ultrasound Director
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Francisco J. Andrade, MD
Ultrasound Director
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Dr. Taylor McAuliff, DO
Medical Student Clerkship Director
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David N. Ricks, MD
Administration Curriculum Director
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Adjunct Faculty

Kelsey Mason, DO
M&M Director
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Brian Hess, MD
Administration Curriculum Director
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Scott Babb, MD

University of California, Davis

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Nathan Grimaldi, DO

Kansas City University

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James Gutcho, MD

California University

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Hitham Mohamed, DO

Midwestern University

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Perry Olliver, DO

Midwestern University

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Stephanie Sperrazza, DO

Midwestern University

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Brian Casillas, MD

University of Iowa

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Eileen Francis, MS MD

University of California - Riverside

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Elizabeth Joachim, MD PhD

University of Illinois - Urbana

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Gavin Koenig, MD


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Jeffery Olmstead, DO

New Mexico State University

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Rebecca Young, MD

University of Arizona - Phoenix

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Ty Bowman, MD

Ross University

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Jennifer Fitzgerald, DO

Midwestern University Arizona

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Matthew Kamer, MD

Medical College of Wisconsin

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Amy Kristensen, MD

University of Arizona

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Christina Liou, DO

AT Still University

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Grace Patel, MD

Georgetown University

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Contact Abrazo Emergency Medicine Residency Program

If you have questions about the Emergency Medicine Residency Program at Abrazo Health Network, please contact our residency coordinator.

Abrazo Emergency Medicine Residency Program