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Commercial

How to Get Credentialed with Aetna in Michigan

Network: Open
90-150 Days CAQH Required Delegated Credentialing

Aetna in Michigan: one application for the commercial network, a different map entirely for behavioral health

Michigan splits behavioral health in a way few states do: specialty BH for Medicaid lives inside a public system of 10 regional PIHPs and roughly 46 county mental health programs, a structure that just survived the state's own attempt to redraw it. Aetna's commercial network sits outside all of that, with its own contract-first process. For a BH group staffing limited-licensed clinicians, the two systems also disagree about whether those clinicians can earn at all.

45 days
Aetna's window to decide network eligibility before credentialing starts
10
Regional PIHPs holding Michigan's specialty-BH Medicaid capitation, structure unchanged
2026-08-01
Proposed date limited licensees start appearing under their own NPI on Medicaid claims
36 months
Aetna recredentialing cycle once you are in

Common mistake

Aetna's gate comes before credentialing, and BH has its own door

Aetna is contract-first: request participation, wait up to 45 days for a network-need decision, and only then does credentialing begin with a pull from CAQH ProView. Behavioral health professionals use Aetna's dedicated BH request-for-participation form rather than the medical flow, because Aetna Behavioral Health is an internal business unit, not a carve-out vendor. Two failure modes follow directly: a BH application filed through the medical flow, and a CAQH profile that was never authorized to Aetna, which fails without a notice.

Source: Aetna, Join the Aetna network · Aetna Office Manual for Health Care Professionals

Where a limited-licensed clinician earns in Michigan, and where they cannot

Michigan's limited licenses, the LLMSW, LLPC and their MFT and psychology equivalents, are first-class rendering material on the Medicaid side, under same-profession supervision. Aetna's commercial network publishes no equivalent lane. For a group whose staffing model leans on limited licensees, this is the difference between the two panels.

Michigan Medicaid (PIHP/CMHSP and MHP side) Aetna commercial
Can a limited licensee's work be paid? Yes, under supervision of a fully licensed provider of the same profession No published lane, independent licence expected
Whose NPI carries the claim today? Reported under the supervising provider The credentialed clinician's
What changes 2026-08-01 (proposed) Limited licensees enroll in CHAMPS as Rendering Only and appear under their own NPI, paid to the billing organization Nothing
Direct payment to the limited licensee Never, reimbursement goes to the associated billing provider Not applicable

Source: MDHHS, proposed policy 2554-BH (limited-licensed BH provider enrollment) · MDHHS, PIHP/CMHSP provider qualifications chart

Hard rule

The 10-PIHP map stands. The state's own page saying otherwise is stale.

Michigan tried to consolidate its 10 specialty-BH regions into 3 through a 2025 procurement. A Court of Claims order found the RFP impermissibly conflicted with Michigan law, and MDHHS withdrew it in February 2026, leaving the existing structure in place: 10 PIHPs holding regional capitation, subcontracting to roughly 46 county CMHSPs across 83 counties. Anyone re-planning Michigan contracting maps around a 3-region model is planning against a procurement that no longer exists. A BH provider reaching Medicaid members still contracts at the CMHSP level, with CHAMPS state enrollment underneath.

Source: MHA, MDHHS Withdraws PIHP Procurement · MDHHS, PIHP FAQ

How to apply to Aetna from Michigan

The Aetna flow is national. The Michigan-specific work is everything around it.

  1. 1 Submit the request for participation via Aetna's online RFP. BH clinicians use the dedicated Behavioral Health form.
  2. 2 Make CAQH ProView complete, attested, and authorized to Aetna before the network decision lands.
  3. 3 Expect the network-eligibility answer within 45 days, credentialing after, contract last. Document the access gap you fill in the request itself, because the network-need decision is the most common rejection and credentials cannot appeal it.
  4. 4 If Medicaid members are in the plan at all: enroll in CHAMPS first, always. Providers in plan networks must be screened there too, and skipping it denies claims statewide.
  5. 5 Specialty-BH Medicaid work routes through the county CMHSP and regional PIHP, a separate application from anything Aetna touches.

Source: Aetna, Join the Aetna network · MDHHS, Specialty Behavioral Health Services

Worth knowing

The 2026-08-01 rendering flip is proposed, not final. Check before you rewire claims.

Policy 2554-BH would move limited-licensed clinicians from supervisor-NPI reporting to their own NPI in the rendering field, with mandatory CHAMPS Rendering Only enrollment and payment flowing to the billing organization. As of mid-2026 it is a notice of proposed policy, contingent on federal approval, and it explicitly does not apply to PIHP-side billing. A group that rewires its claim templates on the proposed date without confirming the final bulletin risks a rejection wave in either direction. Verify the final policy before the first August claim goes out.

Source: MDHHS, proposed policy 2554-BH

Counselors cannot compact into Michigan, and that sets the real timeline

Michigan is not a Counseling Compact member, so an out-of-state LPC plans a full LARA endorsement before any Aetna or Medicaid application can start, fingerprints included, since Michigan requires them of every initial health-profession applicant. Physicians fare better on portability, but every relocating clinician should sequence the same way: licence first, then the Aetna request for participation with CAQH ready, then the 45-day network decision, then credentialing. The Michigan-specific costs sit at the front of that chain, which is exactly where a hiring plan can absorb them if it knows they are coming.

Source: Counseling Compact, member jurisdictions · Michigan LARA, professional licensing

Researched and written by the PayerReady credentialing team for Aetna in Michigan. Verified July 2026. Payer policies and state rules change, so confirm before you file.

Aetna in Michigan: by the numbers

Verified figures for this state, not national averages.

Counties containing at least one member
83
Distinct plans
34
Counties with a plan offered
69
Medicare Advantage service area
offers Medicare Advantage plans in 69 of the 83 counties in this state that have any MA plan
Largest counties by enrollment
Wayne (27,798), Oakland (19,309), Macomb (16,340), Midland (5,566), Kalamazoo (5,403)
Medicare Advantage members in state
154,029

Source: CMS Monthly Enrollment by Contract/Plan/State/County (2026-07) · CMS Medicare Advantage Plan Landscape (CY2026) · Verified July 2026

Quick Overview

Timeline

90 - 150 days

CAQH

Required

Re-credentialing

Every 3 year(s)

Delegated

Yes

Michigan-Specific Requirements

Aetna (a CVS Health company) credentials providers through CAQH ProView. Begin by completing the online request for participation; Aetna evaluates network need in your area, then pulls your CAQH ProView application once you designate Aetna as an authorized plan. Credentialing and contracting are separate processes and both must complete before you are in-network. Aetna confirms participation eligibility within 45 days for medical providers (60 days for facilities); the full credentialing turnaround is not published as a fixed figure. Primary source verification covers state license, DEA/prescribing authority, and board certification for specialists. To check credentialing status, call 1-800-353-1232. Recredentialing occurs every 3 years. Aetna's Medicaid plans operate separately as Aetna Better Health, with their own state enrollment. Michigan Medicaid providers enroll separately through Aetna Better Health of Michigan.

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Required Documents Checklist

Board Certification

Conditional

Required if board certified; highly recommended

CV/Resume

5-year work history minimum; gaps > 6 months must be explained

DEA License

Conditional

Required if prescribing controlled substances

Malpractice Insurance

Medical Degree

Medical License

NPI Certificate

Professional Photo

Provider headshot photo for directory

Professional Reference

3 peer references required

W9_FORM

Required for EFT/tax reporting setup

Enrollment Forms

CAQH ProView

Universal credentialing application used by most commercial and BCBS payers.

Required
Online Open →

CAQH ProView

Universal credentialing application used by most commercial and BCBS payers.

Required
Online Open →

Request to Join Network

Required
Online Open →

Aetna ProVault Application

Required
Online Open →

Key Credentialing Terms

CAQH
The Council for Affordable Quality Health Care, an organization that maintains a universal provider database (CAQH ProVi...
Credentialing
The process of verifying a healthcare provider's qualifications, training, licensure, and professional background to ens...
Effective Date
The date on which a provider's enrollment or network participation becomes active, allowing them to begin billing a paye...
NPI
The National Provider Identifier is a unique 10-digit identification number issued by CMS to healthcare providers, requi...
Primary Source Verification
The process of verifying a provider's credentials directly from the original issuing source, such as medical schools, li...
Provider Enrollment
The process by which a healthcare provider applies to participate in an insurance payer's network, allowing the provider...
Re-credentialing
The periodic process, typically occurring every three years, in which a provider's credentials are re-verified to ensure...

Credentialing Checklist

Make sure you have everything ready before applying to Aetna.

View Physician Credentialing Checklist →

Contact Information

Credentialing Status/Questions

National

1-800-353-1232

Provider Relations

National

1-800-441-5501

Mon-Fri 8am-7pm

ERA/EFT (Optum OPES)

National

1-800-353-1232

Claims Inquiry

National

1-800-624-0756

Provider Appeals

National

1-800-353-1232

Fax: 1-866-445-4387

Behavioral Health Credentialing

National

1-888-632-3862

Provider Credentialing

National

1-800-624-0756

Mon-Fri 8am-6pm ET

Provider Relations

National

1-800-441-5501

Mon-Fri 8am-7pm ET

Claims Inquiry

National

1-800-624-0756

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Reviewed by the PayerReady Credentialing Team

Our credentialing specialists verify every article against current CMS regulations, NCQA standards, and payer-specific enrollment requirements. See our editorial process.

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