This image provided by the Department of Health and Humans Services shows the Open Payments page of the Centers for Medicare & Medicaid Services. From research grants to travel junkets, drug and medical device companies paid doctors and leading hospitals billions of dollars last year, the government disclosed Tuesday in a new effort to spotlight potential ethical conflicts in medicine. Industry spent nearly $3.5 billion on such payments in the five-month period from August through December of 2013, according to the Centers for Medicare and Medicaid Services, which released data on 4.4 million payments. (AP Photo/HHS)