Frequently Asked Questions About the National Standard Employer Identifier (EIN). Has the Internal Revenue Service agreed to the use of the EIN as the standard employer identifier for use in electronic health transactions?

11/22/2000

Yes, on January 16, 1998 the Internal Revenue Service agreed to the use of the EIN as the identifying number for employers in all electronic health care transactions under the Health Insurance Portability and Accountability Act of 1996.