Medicare DME MAC (Durable Medical Equipment)
MedicareAlso covers: DME MAC, DMEPOS MAC, DME Medicare
Payer ID
Varies — confirm via portal / clearinghouse
Four DME MAC jurisdictions (A, B, C, D) process DMEPOS claims, separate from A/B MACs. Contractors include CGS Administrators and Noridian. Confirm jurisdiction by the beneficiary's permanent address.
Timely Filing Limit (TFL)
1 calendar year from date of service (Medicare FFS statutory limit)
Appeal Window
Redetermination: 120 days from receipt of the Remittance Advice / initial determination
Clearinghouse
Varies — confirm via portal / clearinghouse
Provider Services
Varies — confirm via portal / clearinghouse
Claims Fax
Varies — confirm via portal / clearinghouse
Claims Address
Varies — confirm via portal / clearinghouse
Provider Portal
Varies — confirm via portal / clearinghouse
DMEPOS claims route to one of four DME MACs (A–D) based on the beneficiary's residence. CGS handles B & C; Noridian handles A & D.
Values vary by plan, region, and contract and can change. Confirm in the payer portal or with your clearinghouse before filing.
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