Repeal and replacement of Obamacare (the Patient Protection and Affordable Care Act) was a centerpiece of McCain's 2016 re-election campaign, and in July 2017, he said, "Have no doubt: Congress must replace Obamacare, which has hit Arizonans with some of the highest premium increases in the nation and left 14 of Arizona's 15 counties with only one provider option on the exchanges this year." He added that he supports affordable and quality health care, but objected that the pending Senate bill did not do enough to shield the Medicaid system in Arizona.