Railroad Medicare (Palmetto GBA)
Also covers / subsidiaries: Railroad Medicare, RRB SMAC, Railroad Retirement Board Medicare
Core Payer & Clearinghouse Profile
Electronic Payer ID
RRMCR
Specialty MAC (SMAC) for Railroad Retirement Board beneficiaries — NATIONWIDE, administered by Palmetto GBA. Requires separate eServices registration from the regional MAC.
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 Gateway
National Clearinghouse / EDI Gateway
Provider Services
Varies — confirm via portal / clearinghouse
Claims Fax
Varies — confirm via portal / clearinghouse
Claims Address
Varies — confirm via portal / clearinghouse
Provider Portal
https://palmettogba.com/rr
Palmetto GBA administers Railroad Medicare nationwide for RRB beneficiaries (Part B). Bill separately from the regional MAC.
National EDI Clearinghouse Capabilities
Direct ANSI X12 electronic transaction support verified for Railroad Medicare (Palmetto GBA).
Resolution Tools for Railroad Medicare (Palmetto GBA) Claims
Values vary by plan, line of business, and provider agreement. Confirm in the payer portal or with your clearinghouse gateway before submitting electronic claims.
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