Obamacare Included Republican Ideas, but the G.O.P. Health Plan Has Left Democrats Out - The New York Times

When Democrats passed the Affordable Care Act in 2010 without a single Republican vote, they were criticized for being too partisan. In the end, however, the bill included many Republican ideas. 

The keystone principle of the act — a mandate that all Americans buy health insurance — is rooted in conservative thinking. Additionally, the Democrat-controlled House and Senate committees adopted nearly 190 Republican amendments while writing the legislation, according to data compiled by The New York Times....
https://www.nytimes.com/interactive/2017/07/21/us/health-care-amendments.html