Michigan Medicaid Health Plan Credentialing

Last updated: July 6, 2026.

Getting enrolled in CHAMPS is the moment a lot of therapists think they're "done" with Michigan Medicaid. It's actually the starting line. Most Michigan Medicaid members are in a managed care plan, and each plan decides on its own who's in its network. To see managed-care Medicaid clients and get paid, you have to do a second layer of work: identify the right plans for your area, get credentialed with each, and confirm you're in-network before the client walks in.

Bottom line: CHAMPS enrollment is the foundation, not the whole picture. It registers you with Michigan Medicaid but does not automatically put you in-network with any Medicaid Health Plan (MHP). To bill managed-care Medicaid, you generally need to (1) be enrolled in CHAMPS, (2) figure out which plans actually operate in your county and serve your clients, (3) complete each plan's separate contracting and credentialing process, and (4) verify a specific client's plan enrollment and your own network status before you schedule. Start with the MDHHS Medicaid Health Plans page for the current plan list and service areas — lineups and county coverage change, so confirm there rather than on a blog list.

First, the layers: CHAMPS, managed care, and the behavioral health carve-out

Michigan Medicaid isn't a single payer you bill directly for everything. It's a set of layers, and knowing which layer you're in tells you who to credential with and who to send a claim to.

• CHAMPS (Community Health Automated Medicaid Processing System) is Michigan's Medicaid management system — where you enroll as a provider, check eligibility, submit certain claims, and request prior authorization, reached through a MiLogin account. Think of CHAMPS enrollment as your state-level "you exist in Michigan Medicaid" record.

• Medicaid Health Plans (MHPs) are the managed care organizations MDHHS contracts with to cover most Medicaid members. They handle physical health and, depending on current policy, a share of lower-acuity ("mild-to-moderate") behavioral health. Each MHP runs its own network, contracts, portal, and payment operations.

• PIHPs and CMHSPs are the specialty behavioral health carve-out — the lane for more involved needs such as serious mental illness, substance use disorder treatment, and I/DD services. Routing between MHPs and the specialty system is policy-driven and changes over time, so confirm the current framework before assuming where a service belongs.

• Fee-for-service (FFS) is the lane for services MDHHS pays directly through CHAMPS rather than through an MHP or PIHP.

This guide focuses on the MHP layer. If your clients need the specialty behavioral health system, that's a separate pathway through the PIHP/CMHSP in your region.

What Medicaid Health Plans are in Michigan

MDHHS contracts with a set of Medicaid Health Plans to serve managed-care members across the state. The current, authoritative list — along with service areas, contacts, and enrollment and quality reports — lives on the MDHHS Medicaid Health Plans resource page.

We're deliberately not printing a plan roster here. Michigan's managed care lineup and the counties each plan covers are updated through the state's contracting cycles, and a stale list is worse than no list — it sends providers chasing plans that no longer operate in their area or missing ones that do. Before you decide who to credential with, pull the current list directly from the MDHHS Medicaid Health Plans page and the broader Managed Care Organizations page, which describes Michigan's managed-care program types (Medicaid Health Plans, dental plans, and PIHPs for specialty behavioral health). For each plan, note its name, the counties it serves, and where its provider resources live — that's the raw material for the prioritization step below.

Why county and service area matter

Michigan Medicaid managed care is hyperlocal. A plan that dominates in one part of the state may not operate in another, and members choose (or are assigned) a plan available in their county. The practical consequence: credentialing with a plan that doesn't serve your clients' counties is wasted effort, while a large share of referrals on a plan you're not contracted with means turning clients away or writing off claims.

So the smart sequence is client-first, not plan-first:

1. Look at where your clients (and likely referral sources) live and which plans they carry.

2. Cross-reference that against the plans MDHHS lists as serving those counties.

3. Prioritize the plans that overlap. Those are the networks worth joining first.

If you offer telehealth across a wide area, your service area may be broader than your office's county — but "I can see them on video" doesn't override network rules. You still have to be in-network with each plan you bill.

How MHP credentialing differs from CHAMPS enrollment

This is the single most important distinction in this post: CHAMPS enrollment and Medicaid Health Plan credentialing are two different things, and doing one does not do the other.

• CHAMPS enrollment registers you with Michigan Medicaid at the state level. It's a prerequisite — many plans won't even begin credentialing a therapist who isn't active in CHAMPS.

• MHP credentialing and contracting is a separate process run by each individual plan. Being enrolled in CHAMPS does not create a contract with any plan, add you to any plan's directory, or make you in-network for its members.

So you'll typically go through credentialing once per plan, each with its own application, timeline, network decision, and effective date. A "yes" from one plan tells you nothing about the others. Two points that trip people up: enrollment isn't acceptance (a plan can decline a provider or run a closed network for a specialty or region), and effective dates control billing (even after approval, services before your effective date can be denied as out-of-network — so never schedule a managed-care client on the assumption that "the paperwork is in").

What information Medicaid Health Plans commonly request

Every plan defines its own packet, so treat this as a general readiness checklist rather than any specific plan's requirement — confirm the exact list on each plan's current provider/credentialing page. Behavioral health credentialing commonly draws on the same core building blocks:

• Individual and, if applicable, group NPI

• Active Michigan professional license and any required certifications

• Malpractice/liability insurance details

• A current, attested CAQH ProView profile (many plans pull credentialing data from CAQH)

• Tax identification and a completed W-9

• Taxonomy and specialty information

• Practice service locations and contact details

• Disclosure and background questions (sanctions, licensure history, etc.)

• Confirmation of active CHAMPS / Michigan Medicaid enrollment

Keeping these consistent across CAQH, CHAMPS, and each plan's application prevents the most common cause of delay: mismatched or expired data. If your license, malpractice dates, or address disagree between CAQH and an application, credentialing stalls.

Provider portals, EFT/ERA, claims, and authorizations

Once you're contracted, each plan runs its own operational stack — this is where "I'm credentialed" turns into "I actually get paid." Expect each plan to have its own:

• Provider portal for eligibility checks, claim status, and directory/roster management. Assign staff the right access roles rather than sharing a single login.

• EFT/ERA enrollment so payments and electronic remittances land in your systems. This is frequently separate from both credentialing and CHAMPS; skip it and you may get paid slowly or by paper.

• Claims submission rules — which claims route to the plan versus state FFS, accepted formats, and timely-filing windows.

• Prior authorization requirements, which differ by plan and service. Verify a plan's current PA rules before delivering services that may require authorization.

Two plans covering the same county can have completely different portals, remittance setups, and PA rules, so build a simple per-plan reference and keep it current.

How to verify network status before you see clients

The safest habit in Medicaid managed care is a two-part check before the first session, every time:

1. Confirm the client's plan enrollment. Don't rely on a physical mihealth card alone — it doesn't prove current coverage or tell you which plan the member is in. Use CHAMPS eligibility screens or a 270/271 electronic inquiry (or your billing system's equivalent) to confirm the member is active and see which Medicaid Health Plan they're enrolled in. See MDHHS's beneficiary eligibility verification guidance for current inquiry options.

2. Confirm your own network status with that plan. Knowing the member is on Plan X only helps if you're in-network with Plan X, effective on or before the date of service. Check the plan's provider portal or provider services line.

If either check fails, you catch it before delivering a service, instead of in a denial weeks later.

Common mistakes and denials

Most Medicaid managed-care denials for therapy practices trace back to a handful of avoidable errors:

• Assuming CHAMPS enrollment makes you in-network. It doesn't. This is the big one.

• Billing state FFS for a managed-care member. If the member is enrolled in an MHP, the claim generally belongs to that plan, not to fee-for-service.

• Sending the claim to the wrong plan. Members change plans; verify the current plan at each visit, not just at intake.

• Delivering services before your effective date. Approval isn't the same as an active, billable contract as of the date of service.

• Missing prior authorization a specific plan requires for a specific service.

• Skipping EFT/ERA enrollment, then wondering where payments and remittances are.

• Behavioral health routing confusion. Some services belong to the specialty PIHP/CMHSP system rather than the MHP; confirm current routing before you bill.

Almost all of these are caught by the two-part pre-visit check plus a current, per-plan cheat sheet.

Action Steps for Providers

1. Confirm your CHAMPS enrollment is active and accurate — provider profile, NPI, taxonomy, and service locations — before approaching any plan.

2. Pull the current plan list from MDHHS. Open the MDHHS Medicaid Health Plans page and record each plan's name, service-area counties, and provider resource links.

3. Map plans to your clients. Identify which plans your current and likely clients carry in the counties you serve, and prioritize the overlap.

4. Build a per-plan credentialing packet: NPI, Michigan license, malpractice, CAQH (attested and current), W-9, taxonomy, and disclosures — consistent everywhere.

5. Apply to each priority plan's process and track application dates, reference numbers, and expected timelines per plan.

6. Complete each plan's operational setup: portal access (with proper staff roles), EFT/ERA enrollment, and that plan's claims and prior-authorization rules.

7. Record effective dates. Don't schedule managed-care clients for a plan until you confirm an in-network effective date on or before the date of service.

8. Run the two-part check before every first session: verify the client's active plan enrollment, then your in-network status with that plan.

9. Revisit periodically. Plan lineups, service areas, and behavioral health routing change; re-verify against current pages, and keep CAQH, license, and malpractice from lapsing.

Where Bomi Fits

Medicaid managed care is mostly a coordination problem: many plans, each with its own portal, packet, and payment setup, and a moving list of what's current. That's the administrative load Bomi is built to carry — tracking credentialing applications across plans, running eligibility checks, submitting and following up on claims, working denials, reviewing EOBs, and managing payer follow-up, plus keeping effective dates, portal access, and EFT/ERA setup organized.

What we won't do is promise a specific outcome. Bomi can't guarantee any plan will accept a contract, approve credentialing, or reimburse a claim — those decisions belong to the plans and MDHHS. What we can do is make the process organized, visible, and far less likely to stall on a preventable error.

Want help keeping Michigan Medicaid billing and credentialing workflows straight? Bomi helps therapy practices with eligibility checks, claims, denials, credentialing, payer follow-up, EOB review, and revenue operations so clinicians can spend more time with clients. Talk to Bomi about billing and credentialing.

This post is for general operational education and is not legal, compliance, or billing advice. Always confirm current MDHHS, Medicaid Health Plan, PIHP, CMHSP, and Provider Manual requirements before submitting enrollment, claims, or authorizations.

Sources

• MDHHS — Medicaid Health Plans — current plan list, service areas, contacts, and enrollment/quality reports.

• MDHHS — Managed Care Organizations — Michigan's managed-care program types: Medicaid Health Plans, dental plans, and PIHPs for specialty behavioral health.

• MDHHS — Medicaid Provider Enrollment — Michigan Medicaid provider enrollment steps and CHAMPS foundation.

• MDHHS — CHAMPS overview — CHAMPS functions: provider enrollment, eligibility, prior authorization, claims and encounters, contracts management.

• MDHHS — Beneficiary Eligibility Verification — eligibility inquiry options, the mihealth card caveat, 270/271, and health-plan enrollment in the response.