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Hsien-Yen Chang, PhD

  • Assistant Scientist

Departmental Affiliations

Center & Institute Affiliations

Contact Information

Hampton House 682
Baltimore, Maryland

4106145812

Google Scholar
Researchgate

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Education

PhD, JHSPH, 2008
MHA
MSc

Overview

Risk adjustment and its applications

Pharmacoepidemiology

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
  • Opioid abuse
  • Health services research

Selected publications from the last two years.

  • Chang HY, Murimi I, Jones C, Alexander GC. Relationship Between High-Risk Patients Receiving Prescription Opioids and High-Volume Opioid Prescribers. (Accepted: Oct 2017 Addiction)
  • Chang HY, Richards TM, Shermock KM, et al. Evaluating the Impact of Prescription Fill Rates on Risk Stratification Model Performance. (Accepted: Sep 2017 Med Care)
  • Chang HY, Lyapustina T, Alexander CG. Impact of prescription drug monitoring programs and pill mill laws on high-risk opioid prescribers: A comparative interrupted time series analysis. Drug Alcohol Depend. 2016 Aug 1;165:1-8.
  • Chang HY, Boyd C, Leff B, et al. Identifying Consistent High-Cost Users in Health Plans: Characterization and Comparison of Alternative Prediction Models. Med Care. 2016 Sep;54(9):852-859.
  • Chang HY, Zhou M, Tang W, et al. Risk of gastrointestinal bleedings associated with oral anticoagulants – a population-based retrospective cohort study. BMJ. 2015;350:h1585.