Our Residents

Categorical Aerospace Medicine Program Residents

AM Year 2

Daniel Cox, MD, MS

PGY-5
Prior Training: Emergency Medicine

AM Year 1

Marshall Byun-Andersen, MD

PGY-4
Prior Training: Emergency Medicine/Family Medicine

Jennifer Fleischer, MD

PGY-4
Prior Training: Emergency Medicine

Dwyer Roche, DO

PGY-4
Prior Training: Emergency Medicine

Combined Aerospace Medicine/Emergency Medicine Program Residents

AM/EM Year 3 - Inaugural Class

Clare McNerlin, MD

PGY-3
Emergency Medicine/Aerospace Medicine

Daniel Kaganov, MD

PGY-3
Emergency Medicine/Aerospace Medicine

AM/EM Year 2

Wendy Collins, MD

PGY-2
Emergency Medicine/Aerospace Medicine

Joshua Nowitz, MD

PGY-2
Emergency Medicine/Aerospace Medicine

AM/EM Year 1

Abhijay Murugesan, MD

PGY-1
Emergency Medicine/Aerospace Medicine

Combined Aerospace Medicine/Internal Medicine Program Residents

AM/IM Year 4

Samuel Stephenson, MD, MS

PGY-4
Internal Medicine/Aerospace Medicine

Alumni

2026

Andrew Lam, MD, MS: Aerospace Medicine; Family Medicine
Placement: Pending negotiations

Vasilis Mavratsas, MD, MS: Aerospace Medicine; Internal Medicine
Placement: Pending negotiations

Brian Rodriguez, MD, MS: Aerospace Medicine; Internal Medicine
Placement: University of Texas Medical Branch Department of Internal Medicine

Christine Schwartz, MD, MS: Aerospace Medicine; Internal Medicine; Wilderness Medicine
Placement: Pending negotiations

Ethan Stephens, DO, MS: Aerospace Medicine; Family Medicine
Placement: Federal Aviation Administration, Civil Aerospace Medicine Institute.

2025

Matthew Makowski, MD, PhD, MS: Aerospace Medicine; Internal Medicine; Pulmonary Diseases & Critical Care Medicine; Undersea and Hyperbaric Medicine
Placement: UTMB/KBR/NASA Johnson Space Center

Jeffrey McBride, MD, MS: Aerospace Medicine; Psychiatry
Placement: Houston Psychiatry

Samantha King, MD, MS: Aerospace Medicine; Emergency Medicine/Ultrasound
Placement: Federal Aviation Administration Headquarters

2024

Rebecca Mendelsohn, MD, MPH: Aerospace Medicine; Emergency Medicine
Placement: UTMB/KBR/NASA Johnson Space Center

Craig Kutz, MD, PhD, MPH: Aerospace Medicine; Emergency Medicine
Placement: UTMB/KBR/NASA Johnson Space Center

Isaiah Reeves, MD, MPH: Aerospace Medicine; Internal Medicine
Placement: Axiom Space, Inc.

Michael LaBarbera, MD, PhD, MPH: Aerospace Medicine; Internal Medicine
Placement: Aerospace Medicine Consultant; Internal Medicine

2023

Kristi Ray, DO, MPH: Aerospace Medicine; Family Medicine; Undersea and Hyperbaric Medicine
Placement: UTMB/KBR/NASA Johnson Space Center

Karen Ong, MD, PhD, MPH: Aerospace Medicine; Internal Medicine
Placement: Virgin Galactic

Lt Col Bashir El-Khoury, MD, MPH: Aerospace Medicine; Internal Medicine; Nephrology
Placement: US Air Force

Lt Col Brian Hanshaw, DO, MPH: Aerospace Medicine; Family Medicine
Placement: US Air Force

2022

William Fernandez, MD, MPH: Aerospace Medicine; Emergency Medicine
Placement: UTMB/KBR/NASA Johnson Space Center

Quinn Dufurrena, MD, MPH: Aerospace Medicine; Internal Medicine
Placement: UTMB/KBR/NASA Johnson Space Center

John Marshall, MD, MPH: Aerospace Medicine; Internal Medicine
Placement: Axiom Space, Inc.

Michael Rhode, MD, MBA, MPH: Aerospace Medicine; Internal Medicine/Clinical Pathology
Placement: US Air Force

2021

Michelle Hong Chan, MD, PharmD, MPH: Preventive Medicine- Aerospace; Emergency Medicine
Placement: Axiom Space, Inc.

William Valencia, MD, MPH: Preventive Medicine- Aerospace; Family Medicine
Placement: UTMB/KBR/NASA Johnson Space Center

Contacts

Estella Carrasco

Coordinator II - Residency Training Program
Aerospace & Exploration Medicine

Phone: (409) 747-6131

Email: escarras@utmb.edu

Amy J. Kreykes, MD, MPH

Assistant Professor of Clinical Practice
Program Director, Aerospace Medicine Residency