The nation's top health officials are stepping up calls to require doctors to log in to pill-tracking databases before prescribing painkillers and other high-risk drugs. The move is part of a multi-pronged strategy by the Obama administration to tame an epidemic of abuse and death tied to opioid painkillers like Vicodin and OxyContin. But physician groups see a requirement to check databases before prescribing popular drugs for pain, anxiety and other ailments as being overly burdensome.