DeYoung has been credited as the writer of more Styx songs than any other Styx member. He was also the band's most successful writer, penning 7 of the band's 8 Billboard Top 10 singles as well as a solo top 10 single.
national provider identifier (NPI) A national provider identifier (NPI) is a unique ten-digit identification number required by HIPAA for all health care providers in the United States. Providers must use their NPI to identify themselves in all HIPAA transactions. Download this free guide.
The NPI number includes an ISO standard check-digit in the 10th position. There is no intelligence about the health care provider in the number. Entity Type Code: 1: Entity type code (type of health care provider assigned an NPI). Code describing the type of health care provider that is being assigned an NPI.