When will an inspector visit my facility?

Site visits are unannounced and may take place during the enrollment, revalidation, reactivation process or at any other time as deemed necessary. Supplier standard 30 requires the location to be accessible for at least 30 hours per week unless otherwise exempt by supplier type. If an attempt is made outside of your posted hours of operation, a subsequent attempt will be made during the posted hours of operation.

Contact NSC

Email National Supplier Clearinghouse

Contact a specific NSC department

Telephone: 866-238-9652

IVR: 866-238-9652


National Supplier Clearinghouse

Palmetto GBA, AG-495

P.O. Box 100142

Columbia, SC 29202-3142

Other Palmetto GBA Sites

Palmetto GBA Home

DMEPOS Competitive Bidding Program

Jurisdiction J Part A MAC

Jurisdiction J Part B MAC

Jurisdiction M Part A MAC

Jurisdiction M Part B MAC

Jurisdiction M Home Health and Hospice MAC


National Supplier Clearinghouse MAC


RRB Specialty MAC Providers

RRB Specialty MAC Beneficiaries