Here are the 20 Republicans who joined Democrats to vote against the bill: Andy Biggs of Arizona, Mike Coffman of Colorado, Ileana Ros-Lehtinen of Florida, Thomas Massie of Kentucky, Walter B. Jones of North Carolina, Frank LoBiondo of New Jersey, Christopher Smith of New Jersey, Leonard Lance of New Jersey, Dan Donovan of New York, John Katko of New York, Michael Turner and David Joyce of Ohio, Ryan Costello, Patrick Meehan, Brian Fitzpatrick, and Charlie Dent of Pennsylvania, Will Hurd of Texas, Barbara Comstock of Virginia, and Jaime Beutler and Dave Reichert of Washington.
http://dailycaller.com/2017/05/04/here-are-the-20-republicans-who-voted-against-the-house-health-care-bill/