If you work with any kind of healthcare data, then odds are youâll deal with NPI (National Provider Identifier) numbers. The NPI is a 10-digit number consisting of 9 digits (with the first digit being a 1 or a 2) followed by a check digit. Double the value of alternate digits beginning with the rightmost digit. Add the individual digits of the products resulting from step 1 to the unaffected digits from the original number.
Louisiana remained nominally under Spanish control, until a transfer of power to France on November 30, 1803, just three weeks before the formal cession to the United States on December 20, 1803.
Louisiana Purchase, 1803 The Louisiana Purchase encompassed 530,000,000 acres of territory in North America that the United States purchased from France in 1803 for $15 million. The Louisiana Purchase As the United States spread across the Appalachians, the Mississippi River became an increasingly important conduit for the produce of Americaâs West (which at that time referred to the land between the Appalachians and the Mississippi).