Ran a monthly carrier invoice reconciliation covering $184K in billed premiums across 6 carriers, cross-checking 1,849 enrollment records against carrier billing to catch discrepancies before month-end close. Identified 7 discrepancies across 3 carriers and recovered $3,140 in overbilled premiums. Closed the full reconciliation cycle on time across all 6 carriers, with documented variance notes for every flagged line item.