5 things to know about Dr. Oz, Trump’s pick to oversee Medicare, Medicaid

President-elect Donald Trump’s choice of celebrity doctor and failed Senate candidate Mehmet Oz to run the Centers for Medicare and Medicaid Services (CMS) marks the latest potential shakeup of federal health agencies, and adds new uncertainty to the future of Medicare, Medicaid and the Affordable Care Act.  If confirmed, Oz would take the helm of…