A group of Iowa hospitals is fighting back against the proposal to repeal and replace the Affordable Care Act. Some even plan to go to Washington DC to ask senators directly to not vote for the bill.

The House passed the American Health Care Act last month in a close vote.

The non-partisan Congressional Budget Office says that bill would cause 23 million people to lose coverage by 2026.

But in the meantime the Senate has been working on its on version of a bill to replace Obamacare. And Republican senators hope to vote on that before the July 4th break.

Steve Baumert is the President and CEO of Methodist Jennie Edmondson Hospital in Council Bluffs. He says more than 150,000 Iowans gained access to health care because of the medicaid expansion back in 2014. Baumert says if the AHCA passes those people will lose coverage.

"If we go back to what was passed through the house all of that goes away, and that's our biggest concern."

The Iowa Hospital Association says under the current health care policy, the Affordable Care Act, fewer patients are relying on charity care.

The Association says that'll also change if the AHCA passes.

"When you're not insured you don't go to the doctor regularly you're probably going to get your healthcare from an emergency room and that's not how it works," Scott McIntyre said.

But many Republicans disagree, saying health care reform is necessary. Iowa Representative Rod Blum released a statement after the votes that says "The AHCA will stabilize the market, lower premiums for Iowans, increase choices, reduce taxes, and protect people who have pre-existing conditions."

Despite approval in the House, the Iowa Hospital Association says it'll continue to work with federal lawmakers.

"Senators Grassley and Ernst are really two key players as we move forward because they are in that swing vote area," Baumert said.