Skip Navigation

Faculty Directory

Hsien-Yen Chang, PhD

  • Associate Scientist

Departmental Affiliations

Center & Institute Affiliations

Contact Information

624 N. Broadway
Hampton House 682
Baltimore, Maryland 21205

410-614-5812

Google Scholar
Researchgate
Publons (Reviewer Record)

View Current Courses

Education

PhD, Johns Hopkins Bloomberg School of Public Health, 2008
MHS, Johns Hopkins Bloomberg School of Public Health, 2006
MS, Harvard School of Public Health, 2003
MS, National Yang-Ming University, 1997
BS, National Taiwan University, 1995

Overview

Risk adjustment and its applications

Pharmacoepidemiology

Opioid abuse

Overuse measurements and their applications

Outcome evaluation and cost-effectiveness analysis

Honors and Awards

Phi Beta Kappa Honor Society, 2009-Present                     

Taiwan Merits Scholarships, 2005–2008                               

Rotary Foundation Academic-Year Ambassadorial Scholar, 2001–2002

  • Risk Adjustment
  • Drug Safety
  • Pharmacoepidemiology
  • Opioid abuse
  • Health services research

Select publications from the last two years.

  • Chang HY, Kan HJ, Shermock KM, et al. Integrating e-prescribing and pharmacy-claim data for predictive modeling: Comparing costs and utilization of health plan members who fill their initial medications with those who do not. J Manag Care Pharm. 2020;26(10):1282-90. https://www.jmcp.org/doi/full/10.18553/jmcp.2020.26.10.1282
  • Chang HY, Ferris L, Eisenberg M, et al. The Impact of Various Risk Assessment Time Frames on the Performance of Opioid Overdose Forecasting Models. Med Care. 2020;58(11):1013-1021. https://journals.lww.com/lww-medicalcare/Abstract/9000/The_Impact_of_Various_Risk_Assessment_Time_Frames.98275.aspx
  • Chang HY, Hatef E, Ma X, et al. Impact of Area Deprivation Index on the performance of claims-based risk adjustment models in predicting healthcare costs and utilization. (Accepted: Aug 2020 Popul Health Manag) https://www.liebertpub.com/doi/abs/10.1089/pop.2020.0135
  • Tung YC, Li GH, Chang HY. External Validation of and Factors Associated with the Overuse Index: a Nationwide Population-Based Study from Taiwan. Journal of General Internal Medicine. 2021;36(2):438-446. https://link.springer.com/article/10.1007/s11606-020-06293-0
  • Chang, HY., Chou, YY., Tang, W. et al. Association of antidiabetic therapies with lower extremity amputation, mortality and healthcare cost from a nationwide retrospective cohort study in Taiwan. Sci Rep 11, 7000 (2021) https://www.nature.com/articles/s41598-021-86516-4#citeas