This document discusses challenges faced by a large FQHC practice in Massachusetts providing family medicine, internal medicine, and pediatrics services. The practice was experiencing high numbers of unpaid claims over 91 days old due to denials from Medicare for unsubmitted cost reports and incorrect vendor IDs on filed claims. Ecare assisted by identifying these issues, helping submit cost reports to receive over $81,000 in pending payments, and correcting the vendor ID to refile previously denied claims, collecting an additional $88,000 for the practice.