Coverage profile
Work Meridian (Illinois) across every published route
Use the current payer record to choose the right claim-status, eligibility, portal, phone, or appeals workflow. Substrate only marks routes that are published for this payer.
Eligibility
EDI 270/271The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Meridian (Illinois).
Enhanced claim status
Availity ECSPortal claim status
Browser automationThe Substrate Claim Status Agent can check claim status via the payer portal for Meridian (Illinois).
Other aliases
Also known as
- 10644
- 13189
- 14340
- 14520
- 4777
- 9102
- MCCIL
- MERIL
- MHPIL
- MHPILMA
- Meridian Health Plan
- Meridian Health Plan Illinois
- Meridian Health Plan Illinois Complete
- Meridian Health Plan Illinois Medicaid
- YouthCare HealthChoice Illinois
- MERIDIAN
- MERIDIANHP
2027 maternity billing research
When does Meridian (Illinois) change OB/GYN billing?
CC.PP.016 describes global maternity bundling and prepayment code review. It applies to adopting health plans on their own effective dates and contains no 2027 code-deletion implementation instructions.
- Transition start
- No 2027 transition date stated in cited policy
- Billing start
- No 2027 billing date stated in cited policy
- Published
- Not stated in source
- Current As Of
- August 2026
Scope: Corporate template for medical maternity services; Meridian Illinois Medicaid adoption and effective date are unverified. No dental billing application is established.
CC.PP.016 Reporting the Global Maternity Package. Verify the payer source before claim submission.
Frequently asked questions
Meridian (Illinois) payer FAQs
Can I automate Meridian (Illinois) portal follow-up?
Yes — portal retrieval is required when 276/277 is missing or stale. See payer portal automation and learn why 276/277 is not enough.
What is the payer ID for Meridian (Illinois)?
The primary payer ID for Meridian (Illinois) is 13189. The correct routing ID can differ by clearinghouse and transaction, so compare the 837P, 837I, 835, 270, and 276 entries before submitting.
What is the provider portal for Meridian (Illinois)?
The provider portal for Meridian (Illinois) is https://apps.availity.com/. Available features depend on the payer and your account.
What are the 837 payer IDs for Meridian (Illinois)?
The 837P and 837I payer ID for Meridian (Illinois) is 13189 via Stedi.
What is the 835 payer ID for Meridian (Illinois)?
The 835 payer ID for Meridian (Illinois) is 13189 via Stedi.
What is the 270 payer ID for Meridian (Illinois)?
The 270 payer IDs for Meridian (Illinois) are 13189 via Stedi and 13189 via Availity.
What state does Meridian (Illinois) operate in?
Meridian (Illinois) operates in IL.
Routing reference
Meridian (Illinois) payer IDs and operating states
Use the payer ID listed for the transaction you are submitting. Verify current routing and enrollment requirements with your clearinghouse.
| Payer name | Meridian (Illinois)Source: Substrate payer directory · data last changed |
|---|---|
| Operating states | ILSource: Substrate payer directory · data last changed |
| 837P professional claims payer IDStedi | 13189Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 837I institutional claims payer IDStedi | 13189Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 835 ERA payer IDStedi | 13189Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID |
| 270 eligibility payer IDStedi | 13189Source: Stedi payer catalog · catalog dated · matched by payer ID |
| 270 eligibility payer IDAvaility | 13189Source: Availity payer catalog · catalog dated · matched by payer ID |
Routing sources and verification
- Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Data last changed ; checked .Open payer website ↗
- Stedi payer catalogMatched by payer ID; matched record: Meridian (Illinois). Source dated .PrimaryPayerId is used as the transaction payer ID when the corresponding Stedi support flag is true.Open current Stedi reference ↗
- Availity payer catalogMatched by payer ID; matched records: MERIDIAN HEALTH PLAN ILLINOIS, MERIDIAN HEALTH PLAN ILLINOIS COMPLETE, MERIDIAN HEALTH PLAN ILLINOIS MEDICAID. Source dated .The attached API workbook supplies 270 and 276 payer IDs only. It does not supply 837P, 837I, or 835 IDs.Open current Availity reference ↗
- United Clearinghouse payer catalogMatched by payer name; matched record: Meridian (Illinois). The source did not provide a publication date.The attachment supplies payer names and states only; it does not contain transaction-specific payer IDs.Open current United Clearinghouse reference ↗
Clearinghouse payer IDs are transaction-specific and can change. Confirm the current payer list and the member’s ID card before submission.