Durable Medical Equipment Medicare Administrative

20.1 - Durable Medical Equipment Medicare Administrative Contractors (DME MAC) Designation (Rev. 1040, Issued: 08-25-06, Effective: 09-11-06, Implementation: 09-11-06) There are four DME MACs assigned to geographical regions. Jurisdiction for DME claims is based upon the permanent residence of the beneficiary, regardless of the location of the supplier submitting the claim. The IHS facilities shall enroll with the National Supplier Clearinghouse (NSC) to obtain a supplier number for billing DME to the assigned DME MAC. The four DME MACs are aware of the potential for enrollment from IHS facilities and have been informed of the IHS facilities unique requirements for payment of claims.