In a lengthy Facebook post, Obama said there is a "fundamental meanness at the core" of both the Senate's and House's health care legislation.
Max Richtman, president and CEO of the National Committee to Preserve Medicare and Social Security, also blasted the proposed Medicaid cuts in the Senate GOP health care plan, known as the Better Care Reconciliation Act, saying Medicaid doesn't just help the poor.
Call your senators and ask them to consider the impact of any new bill on the health of our people and our economy. We must contact our Senators immediately and let them know of our opposition.
McConnell, R-Ky., released the bill Thursday after weeks of closed-door meetings searching for middle ground between conservative senators seeking an aggressive repeal of Obama's statute and centrists warning about going too far.
"I have to start off by, I guess first congratulating all of the millionaires on the incredible gift that they're about to get", Danielson said.
On Twitter this weekend, Trump urged the dissenting Republican senators to get behind the bill.
Republican Senate leader Mitch McConnell of Kentucky has pushed for a vote before the July 4th Independence Day holiday recess that begins at the end of this week.
Heller, who is up for reelection in 2018, has expressed concerns about the way the measure addresses the future of Medicaid.
"And small tweaks over the course of the next couple weeks, under the guise of making these bills easier to stomach, can not change the fundamental meanness at the core of this legislation". In that iteration, about 23 million more Americans would be uninsured by 2026 than if Obamacare were to stay intact, according to a Congressional Budget Office analysis.
"To me, the most important thing is the Medicaid expansion portion of it, and to make sure that Nevadans continue to have insurance", Heller, R-Nevada said.
Why are they against the bill? .
In a strongly worded statement that reflects the "unanimous" views of its board, the National Association of Medicaid Directors said the Republican health care bill would be "a transfer of risk, responsibility, and cost to the states of historic proportions".
Trump was interviewed by "Fox & Friends", while Collins, Schumer and Paul appeared on ABC's "This Week".