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MSMississippi Medicaid (MississippiCAN)

Healthcare Billing & RCM in Mississippi — Medicaid, Commercial Payers, and Regulations

Reviewed by QuickIntell RCM Editorial Team · Last reviewed

Updated

TL;DR

Mississippi Medicaid operates as Mississippi Medicaid (MississippiCAN) and contracts with 3 managed-care organizations for most of its covered population. Medicaid timely filing is 365 days from date of service. The 5 dominant commercial payers in Mississippi include national insurers and one or more regional Blues plans. The BCBS licensee is Blue Cross & Blue Shield of Mississippi. State-specific billing rules — including 3 tracked surprise-billing and prior-auth regulations — sit on top of federal protections such as the No Surprises Act and 42 CFR §447.45.

Mississippi Medicaid — Mississippi Medicaid (MississippiCAN)

Program nameMississippi Medicaid (MississippiCAN)
Provider portalhttps://medicaid.ms.gov
FFS claims payer IDNo single canonical ID — routing is fiscal-intermediary-specific. Verify per clearinghouse.
Medicaid timely filing365 days from date of service

The federal ceiling for Medicaid timely filing is 12 months under 42 CFR §447.45; most states set a shorter window. Always verify the current policy on the Mississippi Medicaid provider portal before filing a late-billing appeal.

BCBS licensee in Mississippi

The Blue Cross Blue Shield Association licensee in Mississippi is Blue Cross & Blue Shield of Mississippi. This licensee is not yet in the QuickIntell payer registry. See the full payer directory or the BCBSA national site for a provider-portal link.

Top commercial payers in Mississippi

The dominant commercial insurers operating in Mississippi, in approximate order of lives covered. Click through for per-payer claims payer IDs, timely filing windows, prior-authorization rules, and appeal procedures.

Medicaid MCOs in Mississippi

Mississippi Medicaid (MississippiCAN) contracts with the following managed-care organizations to administer Medicaid benefits in Mississippi. MCO contracts dictate claims routing, prior-auth workflows, and appeal deadlines — route each claim by the member's MCO assignment, not the state FFS payer ID.

State-specific regulations affecting Mississippi billing

  • Miss. Code §83-9-5 (prompt pay — 25 days electronic clean claim)
  • Miss. Code §83-41-409 (HMO claim payment standards)
  • Miss. Code §41-9-15 (hospital charity care policy)

Provider licensing & enrollment in Mississippi

Providers enroll via Mississippi Envision Web Portal (Gainwell MMIS). MississippiCAN CCOs credential via CAQH ProView.

Major health systems headquartered in Mississippi

Health systemHeadquarters
University of Mississippi Medical Center (UMMC)Jackson, MS
Baptist Memorial Health Care (MS)Oxford, MS
Singing River Health SystemPascagoula, MS
Forrest Health (Forrest General)Hattiesburg, MS
North Mississippi Health ServicesTupelo, MS

Frequently asked questions — Mississippi billing

What is the Mississippi Medicaid program called?

Mississippi's Medicaid program is known as Mississippi Medicaid (MississippiCAN). Providers enroll and manage claims through the provider portal at https://medicaid.ms.gov.

What is the Mississippi Medicaid timely filing limit?

Mississippi Medicaid (MississippiCAN) requires initial claims to be filed within 365 days from the date of service. The federal ceiling is 12 months under 42 CFR §447.45; Mississippi's 365-day window is set by the state provider manual. Late-billing exceptions may be allowed with good-cause documentation — verify on the state portal before filing an appeal.

Does Mississippi Medicaid publish a single claims payer ID?

No single canonical claims payer ID is published for Mississippi Medicaid (MississippiCAN). Claims route through the state's fiscal intermediary; look up the correct submitter ID in your clearinghouse directory (Availity, Change Healthcare/Optum, Waystar) and route managed-care claims by the member's MCO assignment.

Who are the largest commercial insurers in Mississippi?

The dominant commercial payers in Mississippi include UnitedHealthcare, Aetna, Cigna, Humana, Centene, along with the BCBS licensee Blue Cross & Blue Shield of Mississippi. Each payer's claims routing, timely filing, and prior-auth rules differ — see the per-payer guides linked above.

What Medicaid managed-care organizations operate in Mississippi?

Mississippi Medicaid (MississippiCAN) contracts with 3 Medicaid MCOs tracked in the QuickIntell registry, including UnitedHealthcare, Centene, Molina Healthcare. MCO contracts determine claims routing and appeal deadlines — route each claim by the member's MCO assignment, not by the FFS payer ID.

What state-specific billing regulations apply in Mississippi?

Mississippi has 3 tracked state-level statutes that affect medical billing and RCM: Miss. Code §83-9-5 (prompt pay — 25 days electronic clean claim); Miss. Code §83-41-409 (HMO claim payment standards); Miss. Code §41-9-15 (hospital charity care policy). These sit on top of federal protections such as the No Surprises Act, HIPAA, and 42 CFR §447.45.

Run cleaner claims in Mississippi with QuickIntell

QuickRCM, QuickAuth, and QuickERA are tuned to Mississippi Medicaid (MississippiCAN) and the commercial payers on this page — eligibility, prior auth, claim scrubbing, and ERA posting all run on real payer rules, not generic adapters.

Disclaimer

This page is operational reference for medical-billing professionals. It is not legal, clinical, or contractual advice. State Medicaid policies, MCO contracts, and payer rules change without notice — always verify against the current provider manual from Mississippi Medicaid and the member ID card before submission.