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Ruhrfisch / Flickr Creative Commons

More hospitals and physicians are participating in financing and delivery models established by the Affordable Care Act — even though Republicans are determined to repeal the law and have offered no details on replacing those models.

What's happening: In a report Wednesday, the Centers for Medicare and Medicaid Services said more health care providers are enrolling in so-called alternative payment models, where hospitals and doctors form networks and are paid based on how well they care for patients. One of the most common models is the accountable care organization.

Why it matters: The continued interest in these models, despite the threat of Obamacare repeal, indicates that health care leaders believe these practices have some staying power.

More than 12 million Medicare members are now served through one of these Obamacare payment models.

The model to watch: Medicare's Next Generation accountable care organizations are some of the most interesting projects because they require hospitals and doctors to take on more financial risk for the quality and safety of their patient care. There were 18 Next Generation groups in 2016, and that has expanded to 45 for this year. Some interesting tidbits from that model:

  • The government was able to attract some big health system names into the Next Generation program. They include Dartmouth-Hitchcock, a well-known system in New Hampshire that initially passed on the program, and Sharp HealthCare, a San Diego-based network that bailed on an early version of an accountable care organization model in 2014.
  • UnitedHealth Group is participating in Next Generation through its Optum subsidiary. The insurance conglomerate clearly is investing more in its provider services.
  • More providers can join the Next Generation program. The federal government is accepting new applicants for 2018.

Go deeper

Updated 3 hours ago - World

Reports: Up to 17 U.S. missionaries kidnapped in Haiti

Haitian soldiers guard the public prosecutor's office in Port-au-Prince earlier this month. Photo: Richard Pierrin/AFP via Getty Images

Children were among up to 17 American Christian missionaries and their relatives kidnapped by a gang in Haiti on Saturday, the New York Times first reported.

Details: The missionaries had just left an orphanage and were traveling by bus to the airport to "drop off some members" and were due to travel to another destination when the gang struck in Port-au-Prince, Haitian security officials said, per the NYT.

5 hours ago - World

Melbourne, "world's most locked-down city," to lift stay-at-home orders

Victorian Premier Daniel Andrews during a news conference in Melbourne, Australia, on Sunday. Photo: Quinn Rooney/Getty Images

Melbourne's stay-at-home orders will end five days earlier than planned, officials in Australia's second-biggest city announced Sunday.

Why it matters: The capital of the state of Victoria has had six lockdowns totaling 262 days since March last year. That means Melbourne spent longer under lockdown than "any other city in the world" during the pandemic, Reuters notes.

Venezuela suspends talks with opposition after Maduro ally extradited to U.S.

Venezuelan President Nicolás Maduro in Caracas, Venezuela, in June. Photo: Gaby Oraa/Bloomberg via Getty Images

A key ally of Venezuela's President Nicolás Maduro was extradited from Cape Verde to the U.S. on Saturday to face money laundering charges in Florida, Bloomberg first reported.

Why it matters: Venezuela's government called off negotiations with opposition officials that were scheduled for Sunday in Mexico in response to the extradition of Alex Saab, a Colombian businessman and financial fixer for Maduro. Security forces placed six U.S. oil executives under house arrest hours later, per AP.