Florida regulators are demanding that a brain-injury treatment center with patients from across the U.S. prove that it’s financially viable, as the facility seeks bankruptcy protection.

The Chapter 11 filing Friday by the Florida Institute for Neurologic Rehabilitation Inc. followed Bloomberg News stories about the alleged abuse and neglect of patients by their caregivers at the 200-bed residential facility southeast of Tampa. It’s one of the largest in the country treating people with long-term disabilities brought on by brain trauma.