Medical
Aetna Medicaid Illinois Payer ID
Payer ID26337
Payer details
- Payer ID
- 26337
- Other payer IDs
- 4623, 6140
- Parent organization
- Aetna (CVS Group)
- Coverage types
- Medical
- Programs
- Medicaid
- Payer website
- aetna.com
Where it operates
Illinois
What You Can Check With Aetna Medicaid Illinois
- Eligibility and benefits for any service type Aetna Medicaid Illinois returns
- Instant results, 24/7, with no phone calls or portals
- Claim status after you bill
What a check returns is up to the payer: some return more detail than others.
Service Type Code LookupPayer details updated Oct 18, 2026. Payers change IDs and plan names; when in doubt, use the ID on the member's card.
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