Patient perceptions have been tough to change at Rowan Regional Medical Center in Salisbury, N.C. Joanna Serah/Wikimedia hide caption

itoggle caption Joanna Serah/Wikimedia

Number of providers by state who wrote at least 3,000 prescriptions for Schedule 2 controlled substances in 2012 in Medicare Part D. ProPublica/NPR hide caption

itoggle caption ProPublica/NPR

Dr. Oliver Korshin says he's just a few years from retirement and can't afford the flurry of technology upgrades the federal government expects him to make. Annie Feidt/Alaska Public Media hide caption

itoggle caption Annie Feidt/Alaska Public Media