employer identification number
(redirected from Federal Tax Identification Number)Also found in: Acronyms.
em·ploy·er i·den·ti·fi·ca·tion num·ber
(EIN) (em-ploy'ĕr ī-dent'i-fi-kā'shŭn nŭm'bĕr)A numeric specifier obtained from the government for identification of business/employer tax information; often it is the patient's social security number.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012