David Rhys Axon, PhD, MPharm, MS, MRPharmS

Assistant Research Professor

Rhys Axon, PhD, MPharm, MS, MRPharmS, is an Assistant Professor in the Department of Pharmacy Practice and Science at the University of Arizona College of Pharmacy. He received his MPharm (2014) from The University of Reading and later practiced community pharmacy in the United Kingdom. He received his MS (2017) and PhD (2019) in pharmaceutical economics, policy, and outcomes from the University of Arizona. Dr. Axon serves as an investigator at the Center for Health Outcomes and Pharmacoeconomics (HOPE) and as co-director of the University of Arizona College of Pharmacy Outcomes Research Group. Dr. Axon’s research interests include improving the economic, clinical, and humanistic outcomes associated with managing chronic conditions, particularly pain and the opioid crisis, using both qualitative and quantitative methodologies. He also supports student pharmacists and pharmacists with scholarly activities and seeks to demonstrate the value of the pharmacy profession. Dr. Axon has published over 50 peer-reviewed research articles and presented his research at both national and international conferences. Dr. Axon is also a member of several professional organizations such as the American Association of Colleges of Pharmacy (AACP) and the International Society for Pharmacoeconomic and Outcomes Research (ISPOR).

Education & Post Graduate Training: 

Master of Pharmacy, The University of Reading, 2014
MS, The University of Arizona, 2017
PhD, The University of Arizona, 2019

Select Publications


Marupuru S, Axon DR. "Association of Multimorbidity on Healthcare Expenditures Among Older United States Adults With Pain." J Aging Health. 2021;33(9):741-750. PMID: 33881371
Campbell PJ, Axon DR, Taylor AM, et al. "Hypertension, cholesterol and diabetes medication adherence, health care utilization and expenditure in a Medicare Supplemental sample." Medicine (Baltimore). 2021;100(35):e27143. PMCID: PMC8416010  PMID: 34477169
Axon DRhys, Kamel A. "Patterns of Healthcare Expenditures among Older United States Adults with Pain and Different Perceived Health Status." Healthcare (Basel). 2021.
Chinthammit C, Axon DR, Mollon L, et al. "Evaluating the relationship between quality measure adherence definitions and economic outcomes in commercial health plans: a retrospective diabetes cohort study." J Manag Care Spec Pharm. 2021;27(1):64-72. PMID: 33377445
Stich A, Cava C, Cava D, Axon DR. "Student Pharmacists' Perceptions of Amazon Pharmacy." Pharmacy (Basel). 2021;9(4). PMCID: PMC8544649  PMID: 34698273
Axon DR, Slack M, Barraza L, Lee JK, Warholak T. "Nationally Representative Health Care Expenditures of Community-Based Older Adults with Pain in the United States Prescribed Opioids vs Those Not Prescribed Opioids." Pain Med. 2021;22(2):282-291. PMID: 32358611
Axon DR, Arku D. "Associations of multiple (≥5) chronic conditions among a nationally representative sample of older United States adults with self-reported pain." Scand J Pain. 2021;21(4):814-822. PMID: 34469637
Axon DR, Le D. "Association of Self-Reported Functional Limitations among a National Community-Based Sample of Older United States Adults with Pain: A Cross-Sectional Study." Journal of Clinical Medicine. 2021.
Axon DR, Emami N. "Association of Self-Reported Frequent Exercise Among a Nationally Representative Sample of Older People in the United States With Self-Reported Pain." J Aging Phys Act. 2021;29(5):858-865. PMID: 33706287
Axon DR, Le D. "Predictors of pain severity among community-dwelling older adults with pain in the United States: Findings from a cross-sectional, retrospective study using 2017 Medical Expenditure Panel Survey." Medicine (Baltimore). 2021;100(20):e26011. PMCID: PMC8137030  PMID: 34011100