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Accessing the National Inpatient Sample (NIS) Database

A guide on accessing the National Inpatient Sample (NIS) and an overview of the qualities of the data set.

Requirements for Access via NYMC

In order to access the HCUP National Inpatient Sample from NYMC, please send all three documents in one email to Anjelica Matcho at with the subject line: HCUP Data Request:

1. Complete HCUP DUA training course found at and print out or save certificate of completion for submission.

2. Complete the Data Use Agreement for the Nationwide Databases

3. Complete the NYMC Voluntary Attestation for Use and Access to the HCUP. See below.