Policy and Legislation
The statement is contrary to multiple assurances made by Trump and Republican Party members that Congress will repeal and replace the law as soon as possible.
Balance billing undermines competition between health plans and particularly harms plans offering narrower network products, authors say.
About 3 million were new customers, the federal agency says.
While those surveyed by Numerof and Associates said population health is important, policy shifts could threaten progress, they say.
Any new health law needs revenue to replace Cadillac tax, ACA taxes on insurers, medical devices, high-income households that paid for expansion.
Expanding the use of such accounts is part of almost every GOP replacement plan under consideration on Capitol Hill.
Organization said that many communities, particularly in rural or low-income areas, rely on international medical graduates to fill job openings.
He has a history of pushing back on federal agencies and regulations - including the Centers for Medicare and Medicaid Services.
"It is well known that a large proportion of the most talented and productive research trainees come from abroad," physician leaders wrote.
Healthy Indiana Plan that Pence established in 2015 as the state's governor has brought Medicaid coverage to more than 350,000 people.