Photo taken on May 3, 2017 shows the exterior of a hospital in NY, the United States.
He Twitter-shamed House Freedom Caucus members who blocked the first attempt at health care reform in March, promising to "fight them and Democrats in 2018".
As Mr Trump stood flanked by his party's congressmen in the White House Rose Garden, Nancy Pelosi, the top Democrat in the House, was across town warning Republicans they would end up ruing their votes.
Republicans including Trump have campaigned relentlessly on the pledge to dismantle the 2010 reforms. "We will get it right, and then we will vote".
"A lot of us have been waiting seven years to cast this vote", House Speaker Paul Ryan said earlier Thursday. Using it could mean limiting the scope of the bill - but it could also mean about $1 trillion in taxes will be repealed.
"Ultimately, people will die if this bill becomes law", Mayor Bill de Blasio said.
What about calling your senator ahead of the AHCA vote in the Senate?
A jubilant Donald Trump hailed the Republican healthcare bill which passed the House of Representatives on Thursday as a "great plan" which will give Americans reduced premiums and expanded coverage.
"Under this bill, if you live in a red state, ambulances might not be a basic benefit anymore", Noah said. Similar to the Clintons in the mid-1990's because they were scrambling to get the necessary votes.
Democrats warn the bill will strip insurance from millions of Americans and send costs rocketing.
Here is a summary of major provisions of the House bill, the American Health Care Act.
Before landing on President Trump's desk, the bill will have to be approved by the Senate.
Want to know how to take immediate action against the AHCA and make sure you have the ears of the 217 Republicans who said "Yeah, sure, OK" to stripping health care coverage for millions of Americans? It is unsure if the Senate-made changes can garner enough support from House Republicans.
Under the latest version of the House bill, all 50 US states are allowed to apply for waivers from key provisions of Obamacare, the signature legislation by former President Barack Obama. States could get those waivers if they have mechanisms like high-risk pools that are supposed to help cover people with serious, expensive-to-treat diseases.
They also said last-minute amendments further eroded protection for the most vulnerable groups, including the sick and elderly.
Under Obamacare, insurers can't charge a 64-year-old more than three times as much as it does a 21-year-old.
The bill would let you stay on your parents' insurance until your 26.