Selected Publications

  1. Driessen J, Baik S, Zhang Y. Trends in off-label use of atypical antipsychotics in the Medicare population from 2006-2012. Psychiatric services. (accepted)

  2. Jarlenski M, Baik S, Zhang Y. Trends in use of medications for smoking cessation in Medicare Part D, 2007-2012. American Journal of Preventive Medicine. (accepted)

  3. Driessen J, Baik S, Zhang Y. Explaining improved use of high-risk medications in Medicare between 2007 and 2011. Journal of the American Geriatrics Society. (in press)

  4. Baik S, Hernandez I, Zhang Y. Evaluating the Initiation of Novel Oral Anticoagulants in Medicare Beneficiaries. Journal of Managed Care & Specialty Pharmacy. 22(3):281-292. doi:

  5. Zhang Y, Ma Q, Chen Y, Gao H. Effects of Public Hospital Reforms on Inpatient Expenditures in Rural China. Health Economics. 2016 Feb. doi:10.1002/hec.3320.

  6. Kaplan CM, Zhang Y. Anticipatory Behavior In Response To Medicare Part D's Coverage Gap. Health Economics. 2016 Jan. doi:10.1002/hec.3311.

  7. Hou Z, Meng Q, Zhang Y. Hypertension Prevalence, Awareness, Treatment and Control Following China's Health Care Reform. American Journal of Hypertension. 2015. doi:10.1093/ajh/hpv125.

  8. Hernandez I, Baik S, Pinera A, Zhang Y. Risk of Bleeding With Dabigatran in Atrial Fibrillation. JAMA-Internal Medicine. 2014 Nov 3. doi:doi:10.1001/jamainternmed.2014.5398.

  9. Hou Z, Chang J, Yue D, Fang H, Meng Q, Zhang Y.  Determinants of willingness to pay for self-paid vaccines in China. Vaccine. 2014 Jun 23. PMID: 24968160.

  10. Zhang Y, Baik S, Newhouse JP. Use of intelligent assignment to Medicare Part D plans for people with schizophrenia could produce substantial savings. Health Affairs. 2015; 34 (3):455-460. PMCID: NIHMSID: 659428.

  11. Hernandez I, Zhang Y. Risk of Bleeding with Dabigatran in 2010-2011 Medicare Data. JAMA-internal medicine. Jul 2015; 175(7):1245-7. doi:10.1001/jamainternmed.2015.1299.

  12. Zhang Y, Talisa V, Baik S. Part D Plan Switching among Medicare Beneficiaries with Schizophrenia. Psychiatric Services. Oct 2015; 66(10):1105-1108. PMCID: NIHMSID: 659434.

  13. Bellon JE, Stevans JM, Cohen S, James AE III, Reynolds B, Zhang Y. Comparing Advanced Practice Providers and Physicians as Providers of eVisits. Telemedicine and e-Health. Jul 10, 2015.

  14. Driessen J, Steenrod J, Stevans J, James AE III, Minnier T, Reynolds B, Zhang Y. Innovative approaches to interprofessional care at the University of Pittsburgh Medical Center. Journal of Interprofessional Care. Jul 2015; 14:1-2.

  15. Hernandez I, Zhang Y. Comparing Clinical and Economic Outcomes of Biologic and Conventional Medications in Postmenopausal Women with Osteoporosis. Journal of Evaluation in Clinical Practice. Oct 2015; 21(5):840-7. doi:10.1111/jep.12389.

  16. Zhang Y, Zhou C, Baik SH. A Simple Change To Medicare Part D's Low-Income Subsidy Program Could Save $5 Billion. Health Affairs. 2014 Jun;33(6):940-945. PMCID:NIHMSID597104.

  17. Kaplan C and Zhang YThe January Effect: Medication Reinitiation among Medicare Part D Beneficiaries. Health Economics. 2014 Nov 14: 23(11):1287-300. PMCID:3841288.

  18. Zhang Y, Baik SH, Lave JR. Effects of Medicare Part D Coverage Gap on Medication Adherence. American Journal of Managed Care. 2013;19(6):e214-24. PMCID:PMC3711553

  19. Kaplan C and Zhang Y. Assessing the Comparative-Effectiveness of Antidepressants Commonly Prescribed for Depression in the US Medicare Population. Journal of Mental Health Policy and Economics. Dec 2012; 15(4): 171-178. NIHMSID: 421088.

  20. Zhang Y, Baik SH, Fendrick AM, Baicker K. Comparing local and regional variation in healthcare spending. New England Journal of Medicine. Nov 1 2012; 367:1714-21. DOI: 10.1056/NEJMoa1203980. NIHMSID: 393704.

  21. Zhou C and Zhang Y. The Vast Majority Of Medicare Part D Beneficiaries Still Don’t Choose The Cheapest Plans That Meet Their Medication Needs. Health Affairs. Oct 9 2012; 31(10): 2259-2265; doi:10.1377/hlthaff.2012.0087. PMC3470484.

  22. Zhang Y, Wu SH, Fendrick AM, Baicker K. Variation in medication adherence in heart failure. JAMA internal medicine. 2013 Mar 25;173(6):468-70. PMID:23400219. PMCID:PMC3609904.

  23. Smith KJ, Baik SH, Reynolds CF 3rd, Rollman BL, Zhang YCost-effectiveness of Medicare drug plans in schizophrenia and bipolar disorder. The American journal of managed care. 2013 Feb;19(2):e55-63. PMID:23448115. PMCID:PMC3589737.

  24. Baik SH, Rollman BL, Reynolds CF III, Lave JR, Smith KJ, Zhang Y, The Effect of the US Medicare Part D Coverage Gaps on Medication Use Among Patients with Depression and Heart Failure. Journal of Mental Health Policy and Economics. Sep 2012; 15(3): 105-119. NIHMSID: 393119

  25. Zhang Y, Steinman MA, Kaplan CM, Geographic Variations in Outpatient Antibiotic Prescribing in Older Adults. JAMA- Internal Medicine. Published online September 24, 2012. doi:10.1001/archinternmed.2012.3717. NIHMSID # 379742.

  26. Zhang YBaik SH, Chang CC, Kaplan CM, Lave JR. Disability, Race/ethnicity, and Medication Adherence Among Medicare Myocardial Infarction Survivors. American Heart Journal. Sep 2012;164(3):425-433.e4. doi: 10.1016/j.ahj.2012.05.021. NIHMSID: 379800

  27. Zhang Y, Baik SH, Zhou L, Reynolds CF, Lave JR. Effects of Medicare Part D Coverage Gap on Medication and Medical Treatment Among Elderly Beneficiaries with Depression. Archives of General PsychiatryJuly 2012; 69(7): 672-9. NIHMSID# 334926
  28. Zhang Y, Gellad WF, Zhou L, Lin YJ, Lave JR. Access to and Use of $4 Generic Program in Medicare. Journal of General Internal MedicineFeb 7, 2012; online first DOI: 10.1007/s11606-012-1993-9.

  29. Zhang Y, Baicker K, Newhouse JP. Geographic Variation in the Quality of Prescribing. N Engl J Med. November 18 2010; 363(21): 1985-8.

  30. Zhang Y, Newhouse JP, Baicker K. Are Drugs Substitutes or Complements for Intensive (and Expensive) Medical Treatment? American Economic Review. May 2011: 101(3):393-97

  31. Zhang Y, Donohue JM, Lave JR, Gellad WF. The impact of Medicare Part D on medication treatment of hypertension. Health Services Research. February 2011; 46 (1): 185-198

  32. Lave JR, Men A, Wang W, Day B, Zhang Y. Employee Choice of a High Deductible Health Plan across Multiple Employers. Health Services Research February 2011; 46 (1): 138-154

  33. Zhang Y, Baicker K, Newhouse JP. Geographic Variation in Medicare Drug Spending. N Engl J Med. 2010 Jul 29; 363 (5): 405-9

  34. Zhang Y, Lave JR, Newhouse JP, Donohue JM. How the Medicare Part D Drug Benefit Changed the Distribution of Out-of-Pocket Pharmacy Spending among Older Beneficiaries. J Gerontology: Social Sciences. 2010 Jul; 65(4): 502-7.

  35. Zhang Y, Lee BY, Donohue JM. Ambulatory Antibiotic Use and Prescription Drug Coverage in Older Adults. Arch Intern Med. 2010; 170 (15): 1308-1316.

  36. Zhang Y, Zhou L, Gellad WF. Potential Savings from Greater Use of $4 Generic Drugs. Arch Intern Med. 2011 Mar 14;171(5):468-9

  37. Zhang Y, Lave JR, Donohue JM, Fischer MA, Chernew ME, Newhouse JP. The impact of Medicare Part D on medication adherence among older adults enrolled in Medicare-Advantage products. Med Care. May 2010; 48(5):409-417.

  38. Donohue JM, Zhang Y, Lave JR, Men A, Subashan P, Hanlon JT, Reynolds C. The impact of Medicare Part D on antidepressant treatment, medication choice and adherence among older adults with depression. American Journal of Geriatric Psychiatry (in press). NIHMS: 244917.

  39. Zhang Y, Donohue JM, Lave JR, O’Donnell G, Newhouse JP. The impact of the Medicare Part D drug benefits on pharmacy and medical care spending. N Engl J Med. 2009;361(1):52-61. PMCID: PMC2859614; NIHMSID: 186787

  40. Donohue JM, Zhang Y, Lave JR, Men A, Gellad W, Subashan P, Hanlon JT. The Medicare Drug Benefit (Part D) and Treatment of Heart Failure in Older Adults. American Heart Journal. 2010; 160: 159-65.

  41. Lu CY, Adams AS, Ross-Degnan D, Zhang F, Zhang Y, Salzman C, Soumerai SB. Association between prior authorization for medications and health services use among Medicaid patients with bipolar disorder. Psychiatr Serv. Feb 2011; 62(2): 168-193.

  42. Zhang Y, Donohue JM, Newhouse JP, Lave JR. The effects of the coverage gap on drug spending: a closer look at Medicare Part D. Health Aff (Millwood). 2009 Mar-Apr;28(2):w317-25. NIHMSID: 186182

  43. Zhang Y, Adams A, Ross-Degnan D, Zhang F, Soumerai S. The impact of prior authorization for antipsychotic and anticonvulsant medications among Medicaid beneficiaries with bipolar disorder. Psychiatr Serv. 2009;60 (4)(4):520-7.

  44. Zhang Y. Cost-saving effects of olanzapine as long-term treatment for bipolar disorder. J Ment Health Policy Econ. 2008;11(3):135-46.

  45. Zhang Y, Soumerai SB. Do newer prescription drugs pay for themselves? A reassessment of the evidence. Health Aff (Millwood). 2007 May-Jun;26(3):880-6.

  46. Huskamp HA, Frank RG, McGuigan KA, Zhang Y. The impact of a three-tier formulary on demand response for prescription drugs. Journal of Economics & Management Strategy. 2005;14(3):729-53.