Thousands of Covered California enrollees face higher-than-expected bills from their insurers because the exchange sent incorrect tax credit information to the health plans.

California and other states could keep their federally funded insurance exchange with consumer protections intact under a proposal unveiled Monday by two Republican U.S. Senators.

Repealing Obamacare without a replacement would result in higher costs for consumers and fewer people with insurance coverage, according to a report Tuesday from the nonpartisan Congressional Budget Office.

The doctor diagnosed a mild form of gastritis, an inflammation of the stomach lining, and recommended some over-the-counter medicine. But when the divorce became final, in 2008, she lost health coverage from her husband’s employer, and insurer after insurer refused to cover her because of the condition. She was finally offered a policy that excluded coverage for anything related to her gastrointestinal tract.

Federal officials this month warned 21 Medicare Advantage insurers with high rates of errors in their online network directories that they could face heavy fines or have to stop enrolling people if the problems are not fixed by Feb. 6.

Paula Wilson has seen some tough times in her 23 years as the CEO of Valley Community Healthcare, a clinic that provides care for the poor in North Hollywood, Calif. But nothing was quite like November 9, the day after the U.S. elections, when walking around the office “was like coming into a funeral,” she said.