Articles by Thomas Shaffer, MHS

Medication Adherence and Medicare Expenditure Among Beneficiaries With Heart Failure
ByRuth Lopert, MD, FAFPHM,J. Samantha Shoemaker, PhD,Amy Davidoff, PhD,Thomas Shaffer, MHS,Abdulla M. Abdulhalim, BSPharm,Jennifer Lloyd, MA,Bruce Stuart, PhD Modest increases in adherence to medication regimens among Medicare patients with heart failure were associated with lower Medicare spending in 3 major drug classes.

Specialty of Principal Care Physician and Medicare Expenditures in Patients with Coronary Artery Disease:Impact of Comorbidity and Severity
ByRobert L. McNamara, MD, MHS,Neil R. Powe,MD, MPH, MBA,David R. Theimann, MD,Thomas Shaffer, MHS,Wendy Weller, MHS,Gerard Anderson, PhD