General Information Guide

National Provider Identifier Registry

The NPI Registry is free and enables providers to search provider National Plan & Provider Enumeration System information. All information produced by the NPI Registry is provided in accordance with the NPPES Data Dissemination Notice. Information in the NPI Registry is updated daily. You may run simple queries to retrieve this read-only data. 

Some health care providers report their business structure via SSNs, IRS ITINs or EINs.

CMS has urged health care providers to review their NPPES FOIA disclosable data to ensure that it is correct and to remove any inappropriate or sensitive information that they may have reported in any of those fields that are "optional" (i.e., not required to be furnished) and /or replace the inappropriate or sensitive information that they may have reported in required fields with the appropriate information.

For assistance, you may contact the NPI Enumerator at:

800-465-3203 (NPI Toll-Free)
800-692-2326 (NPI TTY)

Email: customerservice@npienumerator.com

NPI Enumerator
7125 Ambassador Rd. Ste. 100
Windsor Mill, MD 21244-2751

For additional information on NPI Registry, go to the NPPES Registry.

Reviewed 10/21/2024