In this Jan. 13, 2015 file photo, House Ways and Means Committee Chairman Rep. Paul Ryan, R-Wis., left, joined by Rep. Tom Price, R-Ga., heads to a meeting of House Republicans on Capitol Hill in Washington. When President-elect Donald Trump takes office in January, Republicans will have the opportunity to do something they have desired for years – overhaul Medicaid, the program that provides health care to millions of lower-income and disabled Americans.