Under the supervision of the Business Office Supervisor, the Insurance Follow-Up Representative is responsible for physician billing and collecting of third-party account receivables using their knowledge of medical software, the EHR, and multiple payors" insurance websites to research accounts, refile or appeal claims, submit additional medical documentation and track account status by monitoring and analyzing assigned unresolved third-party accounts. The fraudulent LinkedIn messages and emails, which do not originate from any Executives LinkedIn account or of UnitedHealth Group's email domains, or those of any of its operating divisions, supposedly conducts an interview via a Zoom meeting, offers a work from home job at Optum, emails an application, sends a fake check by next day delivery through USPS and asks recipients to pay a vendor a large dollar amount.