DentalMedical
Medicaid Illinois Payer ID
Payer IDIL621
Payer details
- Payer ID
- IL621
- Other payer IDs
- 1563, 2488, 10102, IL622, ILMCD, ILMCI, SKIL0, VWMIM
- Coverage types
- Dental, Medical
- Programs
- Medicaid
- Payer website
- hfs.illinois.gov
Other names
- Illinois Department of Healthcare and Family Services
- Illinois Medicaid
- Medicaid Illinois IDPA
Where it operates
Illinois
What You Can Check With Medicaid Illinois
- Eligibility and benefits for any service type 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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