ProPublica report : Hundreds of millions of dollars wasted on name-brand drugs . Score: 6 Medicare Part D has no incentive for low-income patients to demand generics , professor says .
ProPublica report : Hundreds of millions of dollars wasted on name-brand drugs . Taxpayers paid $ 300 million extra in 2011 thanks to 913 practitioners , report says . Medicare Part D has no incentive for low-income patients to demand generics , professor says .