However, support for the law depends on political affiliation.
"We found that PCPs strongly endorse key elements of the ACA that enable individuals to obtain insurance coverage and that very few support repealing the law."
According to a Kaiser Family Foundation poll, two-thirds of Americans feel Medicaid should continue as is today.
"Health-care reform isn't about a nameless, faceless 'system,'" the former president wrote. "It's about the millions of lives at stake."
The ACP asserted that repealing the ACA would lead to many uninsured patients and coverage loss for those with preexisting conditions.
Democrats Nancy Pelosi, Bernie Sanders and Josh Earnest comment on the upcoming ACA repeal initiated by the Trump Administration.
Though many would support changes, only 15% want the law completely dismantled.
The ACA is likely to be partially or fully repealed, though it is uncertain how physician practices and the benefits of the 20 million newly-insured will be affected.