Health Care Service Corporation (BCBS)
CommercialVerified · August 2026National
HCSC operates Blue Cross Blue Shield plans in IL, MT, NM, OK and TX. Verified provider facts from official HCSC/BCBSIL sources on 2026-08-18.
- Standard timely filing
- 180 days
- Appeal filing window
- Not yet published
- Prior authorization
- Not yet published
- Appeal channel
- Not yet published
- Provider portal
- Available
- Verification
- Verified · August 2026by AR Guide team
Notes
HCSC operates Blue Cross Blue Shield plans in IL, MT, NM, OK and TX. Verified provider facts from official HCSC/BCBSIL sources on 2026-08-18.
Payer Contact Finder
Know before you call
Provider portal
BCBSIL Provider Portal (opens in a new tab)HCSC's Illinois licensee portal (claims, eligibility, authorizations, appeals).
- Standard filing limit
- 180 days
- Counted from
- date of service
- Appeal filing limit
- Not stated
- Appeal window from
- Not stated
- Notes
- BCBSIL (HCSC) participating providers must submit claims within 180 days of the service or discharge date (official provider news). Other HCSC states (MT, NM, OK, TX) may differ.
- Provider portal
- https://www.bcbsil.com/provider (opens in a new tab)Verified · August 2026Verified Aug 18, 2026 · Official web pageView source (opens in a new tab)
HCSC's Illinois licensee portal (claims, eligibility, authorizations, appeals).
- Provider Services
- 800-972-8088Verified · August 2026Verified Aug 20, 2026 · Official web pageView source (opens in a new tab)
BCBSIL Provider Telecommunications Center — eligibility/benefits, self-service and claims inquiries for commercial (non-HMO) members. BCBSIL is an HCSC plan.
Every contact is individually source-tracked and shows the date it was last verified. A green “Verified” badge only appears when a source and verification date exist.
Provider portal
HCSC's Illinois licensee portal (claims, eligibility, authorizations, appeals).
Referrals
Not yet published for this entry. Referral requirements and retro-referral rules are published only when verified against a source.
Appeals
Not yet published for this entry. Appeal levels, filing channels and external-review options are published only when verified against a source.
Documentation requirements
Not yet published for this entry. Required documentation for appeals and additional-information requests is published only when verified against a source.
- Common CARCs
- 29
- Common RARCs
- MA119N29
- Top reasons
- Timely filing (CARC 29) — HCSC/BCBSIL documents a 180-day claim-filing window from the service or discharge date for participating providers (paired RARC MA119: provider-level adjustment for late claim filing).
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Recent updates
Change log
- Verified provider services contact · Aug 20, 2026BCBSIL — Provider Contact Us
- Verified provider portal · Aug 18, 2026BCBSIL — Providers
- Verified timely filing · Aug 18, 2026BCBSIL — Follow Timely Filing Requirements (news, 2024-10-28)
- Verified denial patterns · Aug 18, 2026BCBSIL — Follow Timely Filing Requirements (news, 2024-10-28)
- Entry last reviewed · Aug 18, 2026HCSC — official websiteBCBSIL — ProvidersBCBSIL — Follow Timely Filing Requirements (news, 2024-10-28)
Contact information is provided for reference and is verified against the cited source as of the date shown. Payer contact information may change. Always confirm the appropriate contact for the member's plan and claim.
Source & verification
Directory record
- Geographic scope
- National
- Line of business
- Commercial
- Last reviewed
- Aug 18, 2026
- Verified by
- AR Guide team
- HCSC — official website — https://www.hcsc.com
- BCBSIL — Providers — https://www.bcbsil.com/provider
- BCBSIL — Follow Timely Filing Requirements (news, 2024-10-28) — https://www.bcbsil.com/provider/education/education-reference/news/2024/10-28-2024-follow-timely-filing-requirements
- BCBSIL — Provider Contact Us — https://www.bcbsil.com/provider/contact-us