Hsien-Yen Chang

Hsien-Yen Chang

Assistant Scientist

Departmental Affiliation(s):

Health Policy and Management (Primary)

Contact Information

Hampton House 682
Baltimore , Maryland



PhD, 2008


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                 


  • Chang HY, Daubresse M, Kruszewski SP, et al. Diagnosis and management of pain in emergency departments in the United States, 2000 - 2010. (Accepted: Jan 2014 AM J EMERG MED) 
  • Chang HY, Bodycombe D, Huang WF, Weiner JP. Risk-Adjusted Resource Allocation: Using Taiwan’s National Health Insurance as an Example. (Accepted: Nov 2012 Asia Pac J Public Health)
  • Chang HY, Clark JM, Weiner JP. Morbidity Trajectories as Predictors of Utilization: Multi-Year Disease Patterns in Taiwan's National Health Insurance Program. Med Care. 2011 Oct;49(10):918-23.
  • Singh S, Chang HY, Richards T, et al. Glucagonlike Peptide 1-based therapies and risk of hospitalization for acute pancreatitis in type 2 diabetes mellitus. JAMA Intern Med. 2013 Apr 8;173(7):534-9.
  • Bolen SD, Chang HY, Weiner JP, et al. Clinical Outcomes after Bariatric Surgery: a Five Year Matched Cohort Analysis in Seven U.S. States. Obes Surg. 2012 May;22(5):749-63.