Derek Weiss
Emergency Medicine Physician Assistant | Emergency & Disaster Medicine Leader
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About
Emergency Medicine Physician Assistant with more than 30 years of progressive clinical, military, and operational medical experience spanning emergency medicine, trauma, disaster response, combat casualty care, rural medicine, emergency preparedness, and healthcare leadership. Board-certified Physician Assistant with a Certificate of Added Qualifications (CAQ) in Emergency Medicine and postgraduate Emergency Medicine Fellowship training. Extensive experience practicing within Level I, II, and III trauma centers while simultaneously serving in senior operational medical leadership positions supporting national emergency preparedness missions.
Retired United States Navy Medical
Officer with extensive experience leading multidisciplinary teams during combat deployments, Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) operations, mass casualty planning, interagency disaster response, and multinational military exercises. Recognized for calm leadership in high-acuity environments, systems-based emergency preparedness, operational planning, and collaborative partnerships with physicians, nursing leadership, EMS, law enforcement, fire services, FEMA, and international medical organizations. Committed to advancing rural emergency medicine, emergency preparedness, and patient-centered emergency care.
Extremely familiar with AI platforms such as DAX Copilot.
Experience
Emergency Medicine Physician Assistant - University of Maryland Capital Region Medical Center - Largo, Maryland
(2021-12)
Provide comprehensive emergency medical care within a busy Level II Trauma Center caring for adult and pediatric patients with medical, surgical, and traumatic emergencies.
- Trauma resuscitation
- Critical care management
- Advanced bedside procedures
- Emergency airway management
- POCUS
- Emergency department throughput
- Collaborative physician practice
- Resident education
- Multidisciplinary emergency care
Staff Medical Officer - Chemical Biological Incident Response Force (CBIRF)
(2021-02 - 2023-10)
Served as senior operational medical officer supporting one of the Department of Defense's premier CBRNE response organizations.
- National disaster preparedness
- Medical planning for CBRNE incidents
- Federal interagency coordination
- Hospital emergency preparedness
- Mass casualty planning
- Medical response operations
- Operational medical intelligence
- Emergency preparedness assessments
- Planned and supported medical operations for State of the Union Address CBRNE emergency medical coverage
- Led multidisciplinary emergency preparedness exercises with local law enforcement, fire departments, hospitals, EMS agencies, civil authorities, FEMA, and state emergency management organizations throughout West Virginia
- Integrated military and civilian agencies into coordinated emergency response frameworks
- Developed disaster medicine training for operational personnel
- Participated in national-level emergency response planning
Emergency Medicine Physician Assistant - Naval Medical Center Camp Lejeune
(2018-03 - 2021-02)
Practiced independently within a high-volume Level III Trauma Center providing emergency care for active-duty military personnel, dependents, retirees, and civilian beneficiaries.
- Medical emergencies
- Trauma activations
- Pediatric emergencies
- Orthopedic injuries
- Critical care patients
- Emergency procedures
- Clinical preceptor for physician assistant students and junior providers
- International Medical Liaison
- Healthcare Coalition Coordination
Emergency Medicine Fellowship - San Diego, California
(2016-05 - 2018-02)
Completed an intensive postgraduate Emergency Medicine Fellowship with advanced training in:
- Level I Trauma
- Burn Care
- STEMI
- Stroke
- Critical Care
- Ultrasound
- Toxicology
- Emergency Procedures
Combat Medical Officer — Operation Iraqi Freedom - Ramadi, Iraq
Directed combat medical support within austere operational environments.
- Mass casualty response
- Combat casualty care
- Medical evacuation planning
- Casualty collection point management
- Operational medical planning
Rural Medical Officer - Vietnam
Served as the sole healthcare provider supporting 106 Vietnamese employees and seven multinational military personnel.
- Emergency care
- Primary care
- Occupational medicine
- Public health
- Emergency evacuation planning
- Coordination with Vietnamese healthcare systems
- Independent clinical decision-making in a resource-limited environment
Medical Liaison Officer - Romania
Supported multinational Marine Corps live-fire exercises through coordination with Romanian Level I trauma centers.
- Medical contingency planning
- Trauma system coordination
- Cross-national healthcare collaboration
- Aeromedical evacuation planning
Education
Master of Physician Assistant Studies - Physician Assistant Studies - Saint Francis University (2013)
Bachelor of Science - George Washington University (2004)

