Erin L. Duffy, PhD

Postdoctoral Research Fellow

Erin L. Duffy, PhD's Bio

Erin L. Duffy is a postdoctoral research fellow at the Leonard D. Schaeffer Center for Health Policy and Economics at USC. Her current research focuses on consumer financial liability for involuntary out-of-network health care utilization – a phenomenon coined “surprise” medical billing. Duffy studies the prevalence and magnitude of surprise medical bills and evaluates the impacts of state policies addressing surprise medical bills. She has also conducted qualitative and quantitative research on health system performance, healthcare provider payment, and social and racial disparities in health outcomes.

Duffy is an adjunct policy researcher at RAND Corporation. She holds a PhD in policy analysis from Pardee RAND Graduate School, an MPH in biostatistics and epidemiology from Boston University, and a BA in religion from Wellesley College.

Recent Work