Technical Support:

Join a GoToAssist Support Session

Download MRN Manager Installer

Learning Aids:

Centers for Medicare & Medicaid Services

Reference Aids:

• Claim Adjustment Reason Codes
• Medicare Remittance Advice Remark Codes

Regional DMERC / MAC Links:

• DME MAC A - National Heritage
• EDI
• Forms
• Supplier Manual
• DME MAC B - AdminaStar Federal
• EDI
• Forms
• Supplier Manual
• DME MAC C - Cigna
• EDI (administered by Palmetto GBA)
• Forms
• Supplier Manual
• DME MAC D - Noridian
• EDI (administered by Cigna)
• Forms
• Supplier Manual

Organizations:

• MedTrade
• HIMSS

Associations:

• AAH - American Association for Homecare
• HFMA - Healthcare Financial Management Association
• MGMA - Medical Group Management Association
• ASCRS - American Academy of Cataract and Refractive Surgery
• AAO - American Academy of Opthalmology