Senator Susan Collins is back in the spotlight as a crucial swing vote in the U.S. Senate as she raises questions about how combining a Republican tax-cut plan with a partial repeal of Obamacare will affect middle-class Americans.

Consumers are getting the word that taxpayer-subsidized health plans are widely available for next year for no monthly premium or little cost, and marketing companies say they're starting to see an impact on sign-ups.

While the Affordable Care Act’s fifth open enrollment season is off to a surprisingly good start, many uninsured people said they weren’t even aware of it, according to a survey released Friday.

SynerMed, a company that manages physician practices serving hundreds of thousands of Medicaid and Medicare patients across California, is planning to shut down amid scrutiny from state regulators and health insurers.

Sutter Health intentionally destroyed 192 boxes of documents that employers and labor unions were seeking in a lawsuit that accuses the giant Northern California health system of abusing its market power and charging inflated prices, according to a state judge.

Sen. Lamar Alexander (R-Tenn.) expressed optimism about a bipartisan effort to stabilize ObamaCare markets, saying his bill could be included in the upcoming funding package if it had President Trump's blessing.