Machine Readable Files (MRF) Machine Readable Files as required by the Transparency in Coverage Rule effective July 1, 2022. Files for WellSpan/Summit Health For questions or concerns regarding the MRF files, please contact Quest at 800-364-6352. Download Files In Network Rates Allowed Amounts Files for Tower Health For questions or concerns regarding the MRF files, please contact Quest at 800-364-6352. Download Files In Network Rates Allowed Amounts