Contacting the National Provider Enrollment (NPWest)


Mailing Address
National Provider Enrollment West (NPWest)
Palmetto GBA
P.O. Box 100142
Columbia, SC 29202-3142

Overnight Mailing Address
National Provider Enrollment West (NPWest)
Palmetto GBA
Building One
2300 Springdale Drive
Camden, SC 29020

NPWest Customer Service Line (toll-free)
(866) 238-9652
Monday - Friday, 10 am until 6 pm, EST

Fax Numbers

If you need to fax information to the NPWest Operations area, please use fax number (803) 935-9148.

If you need to fax information to the Supplier Audit and Compliance Unit (SACU) please use fax number (803) 935-9148.


Last Updated: 12/15/2022