Emergency room visits by people on Medi-Cal, the state's Medicaid program, rose 75% over five years from 800,000 in the first quarter of 2012 to 1.4 million in the last quarter of 2016, according to California's Office of Statewide Health Planning and Development.

Top Senate Republicans and their staff are plowing ahead with a plan to repeal and replace Obamacare in the hopes of getting legislation on the floor by mid-summer — even if their own GOP colleagues have no idea what the bill will contain.

I am a lifelong Democrat who has worked for more than a decade to improve the policies and build the coalitions necessary for the success of the Affordable Care Act. Even so, I believe the ACA didn’t go far enough to guarantee universal and affordable health coverage.

If the federal government does not clarify by mid-August whether it will continue an important health insurance subsidy for consumers next year, California’s state-run exchange will instruct its insurers to sell plans with significantly higher premiums to cover the loss of the money.

Continuing a dropout trend seen in the Obama years, about 16 percent of consumers who signed up for coverage this year through public health insurance markets had canceled their plans by early spring, the government said Monday.

As the Senate continues to grapple with repealing the Affordable Care Act, 14 Republican senators are pushing the Trump administration to relax a ban on short-term health insurance plans in the interim.