MedicaidAdministrativeHigh impact
MMP 26-27: Update to Requirements for Fee-for-Service Claim Inquiries
Michigan Medicaid - MDHHS·MI·Claims & Billing
Effective date
Sep 1, 2026
We identified it
Aug 1, 2026
Summary
Effective September 1, 2026, Michigan Medicaid (including Healthy Michigan Plan and MOMS) is implementing a mandatory requirement that all written Fee-for-Service claim inquiries must include a service request number obtained from Provider Support. Claims submitted without a service request number will not be reviewed. This applies only to FFS programs; MCOs and HIDE-SNPs have separate requirements.
Action Required
By August 31, 2026: Billing team must implement process changes to obtain service request numbers before submitting any written claim inquiries to Michigan Medicaid. (1) Establish procedure: All staff submitting claim inquiries must contact Provider Support at 800-292-2550 or ProviderSupport@michigan.gov to request a service request number prior to submitting inquiry. (2) Update internal forms/system: Modify claim inquiry templates and billing software to include mandatory field for service request number. (3) Staff training: Train all billing staff on new requirement and consequences. (4) Verify mailing address: Ensure all claim inquiries are sent to MDHHS/Provider Inquiry, PO Box 30731, Lansing, MI 48909-8231. (5) Compliance check: Implement quality assurance review before submission to confirm service request number is present. Consequence: Any written claim inquiry submitted without a service request number will NOT be reviewed by MDHHS, resulting in failure to resolve claim disputes.