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#1 Federal
National Disability Determination Service System Data
- Organization: Social Security Administration
- Dataset Last Updated: September 11, 2014
The backend data store for the National Disability Determination Service System (NDDSS). This data is rolled up from the data collected by the DDS legacy systems (IronData, MIDAS, Nebraska and NY systems).

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 05:47 PM

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