Mailing Addresses
Who to Write |
Addresses and Additional Information |
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Customer Service |
Written inquiries may be submitted to: Email: Online Help Center CMS guidelines allow up to 45 business days to respond. |
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Mailing address: |
FedEx/UPS/Certified Mail: |
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Claims |
J15 — Part B/HHH Claims |
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Congressional Inquiries |
CGS Administrators, LLC |
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Contracting Officer's Representative |
Send the Centers for Medicare & Medicaid Services (CMS) feedback about your experiences with CGS: Abigail Huffman |
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Medical Director |
Send clinical questions |
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J15 – Part A/B Correspondence |
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General Inquiries |
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Medical Review Additional Development Requests (ADRs) |
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Electronic Funds Transfer (EFT) Authorization Agreement (CMS-588) Form |
J15 — Part B Provider Enrollment |
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Refund Checks |
Kentucky: Ohio: |