BCBS Mississippi at a glance
| Legal name | Blue Cross & Blue Shield of Mississippi |
|---|---|
| Also known as | BCBSMS, Blue Cross Mississippi |
| Category | BCBS affiliate |
| Parent organization | BCBSA Licensee (independent) |
| Claims payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| Eligibility (270/271) payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| ERA (835) payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately. Clearinghouse-specific: This registry has not established one national ERA payer ID for BCBS Mississippi. ERA enrollment and 835 routing are clearinghouse- and product-specific; verify in the payer portal or clearinghouse payer list before enrollment. |
| NAIC company code | Not established in this registry |
| States covered | Mississippi |
| Provider resource entry point | https://www.bcbsms.com/im-a-provider/contact-us |
| Provider phone | 1-800-257-5825BCBS Mississippi lists 800-257-5825 and 601-932-1122 as Customer Support on its provider-contact page. EDI, utilization management, FEP and state/school program contacts are separate; use the route matching the inquiry. |
Always verify claims-routing details against the member ID card and the payer's current EDI companion guide before submission.
Timely filing & appeals for BCBS Mississippi
This bounded review did not establish one initial-claim filing deadline for BCBS Mississippi from the checked public provider resources. Confirm the member product, applicable provider agreement and current payer instructions before calculating the deadline; the former 180-day seed is not verified here. Appeal and corrected-claim clocks require separate confirmation.
| Submission type | Window |
|---|---|
| Initial claim reference | Plan and provider-agreement specific; initial deadline not established |
| Out-of-network initial claim | Verify the member's plan and applicable out-of-network rules |
| Secondary / coordination of benefits | Verify the allowed window and start event; a primary EOB does not automatically restart filing |
| Corrected claim | Verify correction instructions; do not substitute an appeal deadline |
| Reconsideration / appeal | Use the applicable denial or decision notice and the process below |
This registry has not established a payer-specific appeal ladder for BCBS Mississippi. Use the denial notice, plan document, provider agreement, or jurisdictional rule to assign the correct route and deadline. Missing registry evidence does not mean appeal rights are unavailable.
Source: BCBS Mississippi provider policy. Always confirm before disputing a TFL denial — payer policies are versioned and product-specific.
Prior authorization with BCBS Mississippi
Decision deadlines depend on the product, service and urgency. CMS-0057-F generally starts its decision-timeframe requirements in 2026 for Medicare Advantage, Medicaid and CHIP payers subject to the rule: seven calendar days for standard requests and 72 hours for expedited requests. Those requirements exclude drug authorizations and QHP issuers on the federally facilitated exchanges. Other plans, state rules and permitted extensions can differ. Check the applicable policy; a decision deadline is not a guarantee of approval.
CMS-0057-F decision-timeframe requirements and exclusions
Verify BCBS Mississippi electronic claims (837), eligibility (270/271), remittance (835) and authorization (278) separately for the member product and clearinghouse. Registry flags and routing references are not current transaction-complete approval. Confirm the companion guide, enrollment and applicable source findings below. A blank or unverified field does not establish that the transaction is unavailable. Authorization requirements and submission channels depend on the product, service and delegated reviewer. Verify the applicable policy before scheduling; a portal listing is not proof of X12 278 connectivity.
This registry does not provide a current prior-authorization code list for BCBS Mississippi. Start with the provider resources or the policy documents below, then confirm the applicable product, service and effective date. A resource link does not establish that a live code-lookup tool is available.
Top denial reasons for BCBS Mississippi
Per-payer denial benchmarks publish here once the QuickIntell anonymized ETL pipeline ingests sufficient BCBS Mississippi volume. Until then, see the broader CARC reference for industry-wide remediation guides.
Electronic claims, eligibility & ERA
| Transaction | Registry indication — not verification | Routing reference |
|---|---|---|
| 837P / 837I claims | Listed in registry; verify current scope | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| 270 / 271 eligibility | Listed in registry; verify current scope | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| 278 prior authorization | Listed in registry; verify current scope | Verify X12 278 routing separately |
| 835 ERA | Verify support and enrollment separately | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately. Clearinghouse-specific: This registry has not established one national ERA payer ID for BCBS Mississippi. ERA enrollment and 835 routing are clearinghouse- and product-specific; verify in the payer portal or clearinghouse payer list before enrollment. |
Payer IDs vary by clearinghouse — confirm against your clearinghouse payer list (Availity, Change Healthcare/Optum, Waystar) before configuring submitter routing.
What revenue cycle teams should verify before submitting claims
- The currently linked 837 companion guide is Version 5010, Document Revision 1, with a 12/11 cover. Its 00230 is an ISA08/GS03 envelope receiver value; do not copy it into all transaction payer-ID fields.
- myBlue Claims Direct downloads require a provider account. Public resource access does not prove portal access, transaction enrollment, X12 270/271 or 278 capability, or a complete appeal ladder.
Source checks and remaining limits
The latest partial comparison is dated . Retained earlier findings keep their original dates below. This is a partial source check, not a whole-page, clinical or legal review. It does not refresh the legacy review date above.
provider_phone, portal_url, field_status — BCBS Mississippi provider contacts
Source comparison: 2026-09-18
Source scope: Provider-page Customer Support: 601-932-1122 / 800-257-5825. EDI: 601-664-4357 / 800-826-4068. Other departments and the state/school program have separate routes. Locator: Customer Support; Provider Administration; EDI Services; Utilization Management; FEP. Version: No publication or effective date established on the checked HTML page.. Retrieval: content_read; public_web_read. This is a partial source comparison, not whole-field or whole-record approval.
Primary source for provider_phone, portal_url, field_status — bcbs mississippi provider contactstimely_filing_days, filing_rule, timely_filing_source_url, payer_ids, electronic_claims_supported, supports_279_271, supports_278, era_payer_id — BCBS Mississippi electronic claims resources
Source comparison: 2026-09-18
Source scope: Links the older 837 guide and describes medical/dental X12 claims and account-based myBlue downloads. It does not establish a universal filing deadline or certify every transaction. Locator: Claims Filing Products and Services; Electronic Claims Filing Resources; Electronic Filing Specifications. Version: No publication or effective date established on the checked HTML page.. Retrieval: content_read; public_web_read. This is a partial source comparison, not whole-field or whole-record approval.
Primary source for timely_filing_days, filing_rule, timely_filing_source_url, payer_ids, electronic_claims_supported, supports_279_271, supports_278, era_payer_id — bcbs mississippi electronic claims resourcespayer_ids, electronic_claims_supported, supports_279_271, supports_278, era_payer_id — BCBS Mississippi 837P/I/D companion guide
Source comparison: 2026-09-18
Source scope: 00230 is ISA08 receiver and GS03 envelope value. IDs shown for other destination payers are not BCBSMS identifiers. No universal claims/270/835 scalar is verified. Locator: PDF 1 cover; PDF 4 envelope table; PDF 5 destination-payer section read as text only. Version: Version 5010, Document Revision 1; cover 12/11 and PDF metadata December 2011; still linked by the checked public EDI page.. Retrieval: content_read; public_web_pdf_plus_actual_download_and_scoped_visual_review. Only the documented PDF pages were inspected; not a whole-document review. This is a partial source comparison, not whole-field or whole-record approval.
Primary source for payer_ids, electronic_claims_supported, supports_279_271, supports_278, era_payer_id — bcbs mississippi 837p/i/d companion guide
Not checked in this pass: Unresolved fields from the immutable 43-field inventory: aka, appeal_levels, category, common_denial_risks, display_name, electronic_claims_supported, era_payer_id, legal_name, lives_covered_millions, naic, parent_org, payer_ids, payer_ids.claims, payer_ids.eligibility, payer_ids.era, prior_auth_required_codes_sample, quickintell_workflow_fit, record_scope, source_review, states_covered, supports_278, supports_279_271; Whole-record approval, current legal entity/ownership, enrollment and complete insured geography; Every provider agreement, product, claim type, filing/appeal exception and clinical authorization policy; Current transaction-specific enrollment/capabilities and authenticated portal behavior; unknown does not mean unavailable; QuickIntell integrations/outcomes and historical April 2026 DataForSEO demand; Accountable reviewer approval; last_reviewed and reviewed_by remain unchanged.
Sources used for this guide
State coverage
BCBS Mississippi operates in the following states. Each link opens state-level Medicaid program details, dominant commercial payers, and state-specific RCM regulations.
Evaluate QuickIntell workflow fit for BCBS Mississippi
These module references are evaluation starting points, not evidence of a validated connection, supported transaction or customer deployment. Confirm the actual member plan, data access and product scope first.
- QuickRCM
Evaluate claim preparation, follow-up and denial worklists for BCBS Mississippi; verify the actual plan rules and available connections before implementation.
- QuickAuth
Assess authorization-packet and status workflows for BCBS Mississippi; confirm product, service, delegated reviewer and permitted submission channels.
- QuickERA
Verify the actual 835 files, posting exceptions and reconciliation requirements for BCBS Mississippi before evaluating automation. An ERA identifier alone does not establish supported ingestion or posting.
Frequently asked questions about BCBS Mississippi
Where is the BCBS Mississippi provider portal?
Use https://www.bcbsms.com/im-a-provider/contact-us as a starting point for BCBS Mississippi provider resources. This link may open a directory or contact page rather than a transaction portal. Select the applicable product and administrator, then verify the available functions, enrollment and access requirements. QuickIntell is not the official payer portal.
What is the timely filing limit for BCBS Mississippi?
This bounded review did not establish one initial-claim filing deadline for BCBS Mississippi from the checked public provider resources. Confirm the member product, applicable provider agreement and current payer instructions before calculating the deadline; the former 180-day seed is not verified here. Appeal and corrected-claim clocks require separate confirmation.
Does BCBS Mississippi publish a single claims payer ID?
This registry has not established one all-product claims payer ID for BCBS Mississippi. See the source findings for transaction-specific references. Look up the correct ID for the member's plan and transaction in your clearinghouse directory and verify against the member ID card before submission.
Does BCBS Mississippi accept electronic claims?
Verify BCBS Mississippi electronic claims (837), eligibility (270/271), remittance (835) and authorization (278) separately for the member product and clearinghouse. Registry flags and routing references are not current transaction-complete approval. Confirm the companion guide, enrollment and applicable source findings below. A blank or unverified field does not establish that the transaction is unavailable.
How do I appeal a BCBS Mississippi denial?
This registry has not established a payer-specific appeal ladder for BCBS Mississippi. Use the denial notice, plan document, provider agreement, or jurisdictional rule to assign the correct route and deadline. Missing registry evidence does not mean appeal rights are unavailable.
How long do BCBS Mississippi prior authorization approvals take?
Decision deadlines depend on the product, service and urgency. CMS-0057-F generally starts its decision-timeframe requirements in 2026 for Medicare Advantage, Medicaid and CHIP payers subject to the rule: seven calendar days for standard requests and 72 hours for expedited requests. Those requirements exclude drug authorizations and QHP issuers on the federally facilitated exchanges. Other plans, state rules and permitted extensions can differ. Check the applicable policy; a decision deadline is not a guarantee of approval.
What is the BCBS Mississippi provider phone number?
This registry lists 1-800-257-5825 as a contact reference for BCBS Mississippi. BCBS Mississippi lists 800-257-5825 and 601-932-1122 as Customer Support on its provider-contact page. EDI, utilization management, FEP and state/school program contacts are separate; use the route matching the inquiry.
Automate workflows around BCBS Mississippi requirements
Connect eligibility, prior authorization, pre-submission claim checks, and remittance routing in one governed workflow. Payer and plan configuration is confirmed during implementation.
Disclaimer
This page is operational reference for medical-billing professionals. It is not legal, clinical, or contractual advice. Payer policies change without notice — always verify against BCBS Mississippi's current published documents before submission. CPT® is a registered trademark of the American Medical Association.