Keith Joiner

Keith A. Joiner, M.D., M.P.H, is Professor of Medicine, Economics, Cellular and Molecular Medicine and Public Health at the University of Arizona. He earned his medical degree at the University of Colorado and also holds a master’s in public health from Yale University. He joined the Eller College of Management in 2010 as co-director of the Center for Management Innovations in Healthcare. He was appointed Professor of Economics in 2012. His vast professional experience includes founding the Investigative Medicine Program at Yale University and serving as the Dean of the University of Arizona College of Medicine from 2004 to 2008. In 2021, he returned to the College of Medicine as the Director of a new initiative for medical students, the Scholarly Project. His research in economics focuses on the relationship between hospital adoption of electronic medical records and billing, the relationship between medical decision-making in emergency departments and the subsequent cost and outcome; and new reimbursement models for high cost health care interventions.

Courses

• ECON 556 – Health Economics

Recent Publications

• Robertson, C.T., Yuan, A., Zhang, W. and Joiner, K.A. Distinguishing moral hazard from access for high cost healthcare under insurance. PLoS One. 2020 Apr 17;15(4):e0231768. doi: 10.1371/journal.pone.0231768. PMID: 32302322; PMCID: PMC7164657.
• Gowrisankaran, G., Joiner, KA., and Leger, PT, Physician practice style and healthcare costs: Evidence from emergency departments. Management Science. Published Online: 17 Oct 2022.
• Joiner, K.A., Lin, J., Pantano, J. Upcoding In Medicare: Where does it matter most? Health Economics Review. 14, 1 (2024). 
• Joiner, K.A, Lin, J. Shall we blame health IT for Medicare overpayments? New evidence from Medicare recovery audit program. Contemporary Economic Policy, 01 Jan 2025.