Handles payer 277 rejections on accounts with the highest level of complexity and resubmits claims through Epic Billing system or other means of submission (i.e., email, fax, payer portal, certified mail) and provides trends to management for payer outreach and/or internal billing system updates to ensure timely filing and reimbursement. Investigate and resolve assigned accounts of the highest level of complexity (i.e., inpatient, high dollar, aged accts, etc.) within Hospital Billing, Denial, & Follow-Up various work queues to completion and communicate to the Manager within the designated time frame (essential).