Zachary Hagen, MD

Emergency Medicine physician and nocturnist with a Biomedical Engineering background, combining clinical expertise and technological innovation. Experienced in telemedicine, EMR optimization, clinical advising, and medical device innovation, I’m passionate about improving patient care through technology.

Zachary Hagen seated in an armchair in an art studio

Independent projects

99285.io

Published · source

Predicts the E/M visit level of an emergency department visit from its medical decision-making note, so clinicians can see how their documentation is likely to be coded.

Syringe with Integrated Test Strip

Patent application published 2026

A syringe with a built-in drug test strip that checks its contents for fentanyl and other adulterants as the liquid is drawn up, so nothing has to be set aside for testing.