The political battle lines over single-payer healthcare in California are growing starker, with an alliance of doctors, dentists, nurse practitioners and other health providers ramping up their opposition to the proposal.

Time has not healed all wounds between Assembly Speaker Anthony Rendon and the California Nurses Association. Rendon, a Paramount Democrat, infuriated the nurses last June when he abruptly shelvedSenate Bill 562, the measure they sponsored to create a government-run universal health care system in California, calling it “woefully incomplete.”

About 342,000 Californians have signed up for health insurance through Covered California since open enrollment began in November — up roughly 7 percent compared to this time last year, according to figures released by the agency Monday.

The CMS plans to release a finalized version of an Obama-era rulemaking that outlines new standards that critical-access hospitals must comply with to continue billing under Medicare.

Lawmakers are considering adding a measure aimed at fighting high drug prices to an upcoming spending deal, in what would be a rare defeat for the powerful pharmaceutical industry.

For years, hospital executives have expressed frustration when essential drugs like heart medicines have become scarce, or when prices have skyrocketed because investors manipulated the market.