The phrase "billing discrepancies" refers to inconsistencies or differences found in the amount or details of a bill or invoice. It means that there could be errors, mistakes, or disparities in the billing information provided. Full definition
Assist in coordinating new group insurance, open enrollment... supplemental insurance invoice billing discrepancies. (livecareer.com)
Duties may include preparing or filing insurance claims, implementing and monitoring the customer billing and collection process, negotiating payment terms and arrangements and researching billing discrepancies. (work.chron.com)
This means that when you have issues with your insurance such billing discrepancies or reimbursement delays, your broker can get a representative at the insurance company on the phone quickly. (simplyinsured.com)