# NPPES National Provider Identifier (NPI) Data | CMS

This product contains the following datasets:

## 1. NPPES Full Replacement Monthly NPI File

***

Each month, a file will be available for download. This file will contain all of the FOIA-disclosable active provider data in NPPES. This file will replace the file provided the previous month and will contain:

1. FOIA-disclosable NPPES health care provider information for health care providers.

2. Updates and changes to the FOIA-disclosable NPPES health care provider information of enumerated health care providers. A new file will be available for download 30 days after the availability of the initial file, and each month thereafter.

**Source:** <https://download.cms.gov/nppes/NPI_Files.html>

**Cadence:** Monthly Revisions

**Contents: **The contents of each revision is listed below:

1. Data File

* File contains the FOIA-disclosable NPPES provider data.

* File Name: **`npidata_pfile_yyyymmdd-yyyymmdd.csv`**

2. Data Header File

* File contains a comma separated list of the column headers for the Data file

* File Name: **`npidata_pfile_yyyymmdd-yyyymmdd_FileHeader.csv`**

3. Other Name Reference File

* File contains additional Other Names associated with Type 2 NPIs

* File Name: **`othername_pfile_yyyymmdd-yyyymmdd.csv`**

4. Other Name Header File

* File contains a comma separated list of the column headers for the Other Names Reference File

* File Name: **`othername_pfile_yyyymmdd-yyyymmdd_FileHeader.csv`**

5. Practice Location Reference File

* File contains all of the non-primary Practice Locations associated with Type 1 and Type 2 NPIs.

* File Name: **`pl_pfile_yyyymmdd-yyyymmdd.csv`**

6. Practice Location Header File

* File contains all of the non-primary Practice Locations associated with Type 1 and Type 2 NPIs.

* File Name: **`pl_pfile_yyyymmdd-yyyymmdd_FileHeader.csv`**

7. Endpoint Reference Header File

* File contains all Endpoints associated with Type 1 and Type 2 NPIs

* File Name: **`endpoint_pfile_yyyymmdd-yyyymmdd.csv`**

8. Endpoint Reference Header File

* File contains all Endpoints associated with Type 1 and Type 2 NPIs

* File Name: **`endpoint_pfile_yyyymmdd-yyyymmdd_FileHeader.csv`**

9. Data Dissemination File – Code Values File

* File contains the Data Dissemination File - Code Values document that provides the descriptions of the various reference codes used in the Data file.

* File Name: **`NPPES_Data_Dissemination_CodeValues.pdf`**

10. Data Dissemination File – Readme File

* This document, which provides the file layouts of the Data file and all of the reference files.

* File Name: **`NPPES_Data_Dissemination_Readme.pdf`**

## Contact Details

* If you have questions about this source data, please send the Center for Medicare & Medicaid Services an email at customerservice@npienumerator.com.

* If you have any other questions or feedback, send us an email at data@rearc.io.

## About Rearc

Rearc is a cloud, software and services company. We believe that empowering engineers drives innovation. Cloud-native architectures, modern software and data practices, and the ability to safely experiment can enable engineers to realize their full potential. We have partnered with several enterprises and startups to help them achieve agility. Our approach is simple — empower engineers with the best tools possible to make an impact within their industry.