Bernard Chang

Bernard Chang is the Tushar Shah and Sara Zion Associate Professor of Emergency Medicine at Columbia University. His research focuses on the intersection of emergency medicine, psychiatry, and public health, investigating post-traumatic stress disorder following stroke and stroke mimics, clinician sleep and burnout, and the impact of educational interventions on opioid use disorder treatment. He also explores clinical acuity identification in AI systems and epidemiological trends in fentanyl co-ingestion and CT angiography for acute stroke. His recent work has appeared in *General Hospital Psychiatry*, *Drug and Alcohol Dependence*, and *Academic Emergency Medicine*.