Sheffey N Massey

Sheffey N Massey, DO FACEP is an Emergency Medicine expert specializing in emergency medical services and trauma care litigation. With a career spanning urban and rural emergency settings, he brings a comprehensive understanding of diverse emergency medical protocols and standards to his litigation work. His work centers on investigating emergency response effectiveness, assessing adherence to medical protocols, and evaluating whether deviations in care contributed to patient outcomes.

Mr. Massey has been retained in numerous expert witness and consulting engagements across Minnesota and Wisconsin, involving cases related to trauma, sepsis, and pediatric emergencies. His DO degree from the University of Des Moines, along with his Board Certification in Emergency Medicine, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving emergency medical services and critical care scenarios.