Blue Cross and Blue Shield of Illinois (BCBSIL)

Denials, appeals and grievances

Find appeal teams, faxes and mailing addresses. Use the denial notice to confirm the appeal level, filing deadline and recipient.

fax appeals

Medicare Advantage medical appeals — standard (prospective, concurrent and retrospective)

Official page read
Phone

No phone listed for this route

Fax

800-419-2009

Published hours

Not published in this record

Product, plan and location

medicare advantage
Illinois

Mailing address
Blue Cross Medicare Advantage c/o Appeals Department PO Box 663099 Dallas, TX 75266

Medicare Advantage medical appeals

Members, authorized representatives and providers (retrospective: noncontracted providers). The page prints the prospective/concurrent ZIP as 7526 and the retrospective ZIP as 75266; the complete ZIP is used here.

View source ↗ · Source checked 2026-10-24

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fax appeals

Medicare Advantage medical appeals — expedited

Official page read
Phone

No phone listed for this route

Fax

800-338-2227

Published hours

Not published in this record

Product, plan and location

medicare advantage
Illinois

Mailing address

Not researched for this route

Expedited prospective/concurrent medical appeals.

View source ↗ · Source checked 2026-10-24

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fax appeals

Medicare Advantage provider claims disputes

Official page read
Phone

No phone listed for this route

Fax

855-674-9192

Published hours

Not published in this record

Product, plan and location

medicare advantage
Illinois

Mailing address
Blue Cross Medicare Advantage Attn: Provider Claims Disputes PO Box 4555 Scranton, PA 18505

Medicare Advantage provider claims disputes

Provider claims disputes (contracted and noncontracted providers).

View source ↗ · Source checked 2026-10-24

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Call preparation · editorial guide

Make the call count.

Find appeal teams, faxes and mailing addresses. Use the denial notice to confirm the appeal level, filing deadline and recipient.

Have ready in your secure workspace

  • Denial notice, remittance and reason codes
  • Previous appeal confirmation and decision
  • Supporting evidence and any required authorization to represent the member

Questions to resolve

  • Is this a claim correction, provider dispute or member appeal?
  • What deadline and submission channel apply to this case?
  • How can the office confirm receipt and track the decision?

This is a general administrative checklist, not payer policy or advice about a particular patient. Confirm the current plan instructions.

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