Contact NPWest

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You may call the NPWest toll-free at 866-238-9652 from 10 a.m. until 6 p.m. ET to reach a customer service representative. The automated response system is available 24 hours a day.

Our Address
Should you like to contact the NPWest in writing, send your inquiry to:

National Provider Enrollment West
Palmetto GBA
P.O. Box 100142
Columbia, SC 29202-3142

Overnight Mailing Address
National Provider Enrollment West
Palmetto GBA
2300 Springdale Drive, Bldg. 1
Camden, SC 29020

Send Freedom of Information Act (FOIA) Requests to:
Palmetto GBA - NPWest
FOIA Coordinator
Mail Code: AG-615
P.O. Box 100190
Columbia, SC 29202-3190

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Feedback to the Centers for Medicare & Medicaid Services (CMS)

If you would like to send any feedback to CMS regarding your experience with Palmetto GBA, please direct your comments to:

PCOM Coordinator
CMS Region IV
61 Forsyth Street, S.W., Suite 4T20
Atlanta, GA 30303-8909


Last Updated: 11/17/2022