What is provider enrollment?
Provider enrollment is the process of registering a credentialed provider with insurance payers (Medicare, Michigan Medicaid, Blue Cross Blue Shield of Michigan, and commercial plans) so the provider is in-network and claims can be reimbursed. MMSM handles enrollment applications, group and location linkage, EFT/ERA setup, and ongoing revalidations for providers, preventing the gaps that cause denied or unpayable claims.
In-network is where you get paid
You can be perfectly credentialed and still not get paid, because credentialing only proves you’re qualified. Enrollment is what actually puts your providers into each payer’s network and links them to your billing group. Get a single detail wrong, such as a group linkage, a PECOS record, or a revalidation date, and claims start bouncing for reasons that are maddeningly hard to diagnose.
MMSM manages enrollment as a discipline, not an afterthought. We submit complete applications, link providers correctly to your group and locations, set up electronic payments, and keep a calendar of every revalidation so your enrollment never quietly lapses.
What we manage
- Commercial payer enrollment for the plans your patients actually carry
- Medicare enrollment through PECOS
- Michigan Medicaid and BCBSM enrollment
- Group and location linkage so claims route and pay correctly
- EFT/ERA setup for faster electronic payment and reconciliation
- Revalidation and ongoing maintenance
Because enrollment connects directly to credentialing and billing, keeping it all under one MMSM roof eliminates the finger-pointing that happens when three different vendors each blame the other for a denied claim.
Get your providers enrolled or call (517) 485-0001.
What's included
- Medicare (PECOS), Michigan Medicaid, BCBSM & commercial enrollment managed end to end.
- Group & location linkage so claims route and pay correctly.
- EFT/ERA setup for faster electronic payments and remittance.
- Revalidation tracking to prevent costly enrollment lapses.
- CAQH coordination kept in sync with your credentialing.
- Application status reporting for every payer, every provider.


