UnitedHealth Sent $2 Billion to Providers After Change Hack

UnitedHealth Group Inc. said it advanced more than $2 billion to medical providers after a cyberattack on the company’s Change Healthcare subsidiary last month halted billions of dollars in medical payments.

Health-insurance industry leaders are meeting with US officials Monday morning to address bottlenecks in the payments system since the ransomware attack brought down crucial networks on Feb. 21.

UnitedHealth and its rivals face growing calls from politicians and medical providers to escalate relief efforts for hospitals and doctors facing cash-flow interruptions. Some other insurers have said they’re using alternative systems and have little trouble paying claims. Some providers say ...