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E-mail
E-mail National Supplier Clearinghouse to have your NSC inquiries answered.
E-mail National Supplier Clearinghouse to share your comments on the Supplier Standards.
Telephone
You may also call the National Supplier Clearinghouse toll-free at (866) 238-9652 from 9 a.m. until 5 p.m. EST to reach a customer service representative. The automated response system is available 24 hours a day.
Our Address
Should you like to contact the NSC in writing, send your inquiry to:
National Supplier Clearinghouse
Palmetto GBA
AG-495
P.O. Box 100142
Columbia, SC 29202-3142
Overnight Mailing Address
National Supplier Clearinghouse
Palmetto GBA
AG-495
2300 Springdale Drive, Bldg. 1
Camden, SC 29020
You may also visit our offices located in Columbia, South Carolina.
Still have questions?
- You can find direct answers to your technical questions by visiting our Site Help page
- Need to contact another Medicare department on this site? Go to our Site Contact page.
- For help with technical problems using your computer on this Web site, e-mail Palmetto GBA's Technical Assistance
- How are we doing? Contact the Centers for Medicare & Medicaid Services (CMS) POE Coordinator in writing about Palmetto GBA's service. Their mailing address is:
PCOM Coordinator
Centers for Medicare & Medicaid Services (CMS) Region IV
61 Forsyth Street, S.W., Suite 4T20
Atlanta, GA 30303-8909