OKLAHOMA CITY (AP) — The former CEO of an Oklahoma ambulance service has agreed to pay tens of thousands of dollars to settle a civil kickback case.

The U.S. Justice Department revealed Monday that Stephen Williamson will pay an $80,000 settlement, the Oklahoman reported .

Williamson was the CEO of Emergency Medical Services Authority, which manages ambulance services in Oklahoma City and Tulsa. He resigned in October after being named in a January 2017 federal lawsuit alleging a $20 million kickback scheme involving Paramedics Plus, a former Texas contractor.

Paramedics Plus provided drivers,...