To apply for NPI, visit the National Plan and Provider Enumeration System

Background Information

The Health Insurance Portability and Accountability Act of 1996 required all covered entities (e.g., Providers, clearinghouses and large health plans) begin using National Provider Identifiers (NPIs) on standard health care transactions by May 23, 2007. The purpose of the NPI is to uniquely identify a health care Provider in standard transactions, such as health care claims, and eliminate the need for legacy Provider numbers.

How to Apply for an NPI

A Provider may apply for an NPI through a Web-based application or may send a paper application form. The Web address is A Provider may also call the NPI Enumerator at 1-800-465-3203 or TTY 1-800-692-2326 for any questions regarding the application. There is no cost to apply for an NPI.