Medicare Back-End Print and Mail Improvement Study subcontract with Primescape under Contract with Center for Medicare and Medicaid Services The Medicare FFS Back-end Print/Mail Assessment Report project involved the study and analyzes of the Medicare FFS back-end print and mail environments, including hardware, software, processes and procedures. for each of the FI, RHHI, Carrier, and DMERC, Medicare FFS type contractors as well as MAC/DME MAC that has begun operation to obtain day-to-day operational information regarding their back-end print and mail operations.