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.
Quick Answer. The Centers for Medicare and Medicaid Services discontinued the use of Unique Provider Identification Numbers, or UPINs, in 2007 and replaced them with National Provider Identifier numbers, or NPIs. Individuals can find a physician on the National Plan & Provider Enumeration System NPI registry search. Keep Learning.