"Provider networks were the most important factor when choosing a health plan, outranking premiums and other plan features," the report said.

Big tax-exempt hospitals would have to reveal what they spend on adversiting.

Mark Newman, a provider contracting executive, predicted that reducing payment hassles would increase the supply of providers.

World Cup fever has taken over the U.S. in recent days, prompting some employers — even those with the most hardline approach to in-office work — to lean into flexibility.