Perform credit balance and overpayment resolution services by reviewing/accessing County's relevant contracts, books, records, employees, computer and accounting systems, and County's patient data in order to: Review for resolution, accounts in a credit (negative) balance as provided for by County Review and resolve accounts that are in an Overpayment status, as determined by County Compliance and Revenue Integrity. Overpayment status accounts may not have a negative balance. Resolve by performing required function and follow-up to ensure resolution. In conjunction with county staff, enter the necessary adjustments to the EMR/EHR. Payers Include, but not limited to Government Payers, Commercial Payers, and Patient/Self-pay Credit Balances as provided for by County The Overpayment resolution consist of completing Claims Inquiry Forms (CIFs) to the Medi-Cal program, creating requests for overpayment resolution to the Health Plan of San Mateo and other payers according to payer guidelines