Cost reporting / audit
Disproportionate share hospital (DSH) adjustment
This briefly identifies the two methods used to determine the disproportionate share as well as the supplementary security income updates.
Understanding provider statistical and reimbursement (PS&R) report registration
Registration
External user services (EUS) help
MAC help
PS&R request help
Submission of new calendar year (CY) 2025 cccupational mix survey data
On November 20, 2025, CMS published a notice in the Federal Register (90 FR 52406) announcing a new occupational mix survey. Hospitals must complete the CY 2025 occupational mix surveys and submit…
Provider audit master information form
This form is used by Medicare Part A providers who change the default or other contact who receives their interim rate, tentative settlement, NPR & NOC-PR determinations.
IRIS XML - CMS Presentation on usage and approved vendors
CMS has approved the following XML IRIS software vendors.
Outlier reconciliation criteria for IPPS and LTCH PPS hospitals
View this information about outlier reconciliation criteria for IPPS and LTCH PPS hospitals and the latest CMS change request.
Medicare Advantage (MA) supplemental wrap-around payments -- reason code 37098
Medicare Advantage (MA) supplemental wrap-around payments -- reason code 37098 for federally qualified Health centers (FQHCs) that have a written contract with an MA organization.
Provider Reimbursement Manual
View various sections of the Provider Reimbursement Manual applicable to audit and reimbursement.
FY2027 hospital wage index home page
View the FY27 wage index home page to find the timetable and PUF