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Handle high-volume inbound/outbound billing calls, research and resolve billing disputes and correspondence, process adjustments/refunds with collection coordinators, navigate Quest billing systems and web tools, follow SOPs/HIPAA compliance, meet production and quality standards, and support internal customers for timely billing resolutions.

Lead and supervise daily high-volume accounts payable operations, including invoice and expense processing, supplier issue resolution, corporate card administration, reporting and audits. Manage and develop AP staff, optimize processes using SAP Concur, Cognos and Excel, maintain internal controls and SOC compliance, and drive cross-functional improvement projects.