What are the possible side effects of darbepoetin alfa (Aranesp, Aranesp Albumin Free, Aranesp SureClick)? Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
The NPI has replaced the unique provider identification number (UPIN) as the required identifier for Medicare services, and is used by other payers, including commercial healthcare insurers.
An Individual Taxpayer Identification Number (or ITIN) is nine-digit number issued by the IRS to individuals who must have an identifying number but who are not eligible for a Social Security Number or an Employer ID Number. ITIN's cannot be used for identification purposes.