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.
For Providers. A National Provider Identifier, or NPI, is a unique, ten-digit identifier that the Centers for Medicare & Medicaid Services (CMS) issues to all health care providers as mandated by the federal government in the Health Insurance Portability and Accountability Act of 1996 (HIPAA).