The best replacement for npi is upin.

The best alternatives to npi are rated as following:

★★★★★	upin
★★★	tax id
★★	dea
★★	pi
★	type 2 npi
★	medicaid provider number
★	individual npi
★	nabp
★	2npi
★	odce
	ptan
	national provider identifier
	pii
	dea number
	tin
	tax id number

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No companions for npi have been suggested so far.

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Scale is based on the average worldwide traffic of npi in all years. Click on graph for more.

npi

upin

tax id