Fiscal Intermediary Shared System Attending and Rendering

Published by Centers for Medicare & Medicaid Services | U.S. Department of Health & Human Services | Metadata Last Checked: November 04, 2025 | Last Modified: 2025-11-04

The Fiscal Intermediary Shared System (FISS) Attending and Rendering dataset provides a list of those attending and rendering physicians for the FISS. FISS edits require that the Line Item Rendering Physician information be transmitted when providers submit a combined claim. Claims that include both facility and professional components, need to report the rendering physician or other practitioner at the line level if it differs from the rendering physician/practitioner reported at the claim level. Note: This full dataset contains more records than most spreadsheet programs can handle, which will result in an incomplete load of data. Use of a database or statistical software is required.

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Complete Metadata

bureauCode	[ "009:38" ]
dataQuality	true
describedBy	http://data.cms.gov/resources/fiscal-intermediary-shared-system-attending-and-rendering-data-dictionary
identifier	http://data.cms.gov/data-api/v1/dataset/75e8dcb2-78eb-4a7d-a377-9108441966db/data-viewer
issued	2025-10-07
landingPage	http://data.cms.gov/provider-characteristics/medicare-provider-supplier-enrollment/fiscal-intermediary-shared-system-attending-and-rendering
language	[ "en-US" ]
programCode	[ "009:000" ]
references	[ "http://data.cms.gov/sites/default/files/2020-08/Fiscal%20Intermediary%20Standard%20System%20%28FISS%29.pdf" ]
temporal	2023-05-21/2025-11-01
theme	[ "Medicare" ]