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Provider FAQ

If you need more information or have a question, contact us at 1-866-329-4701 or

Provider Relations Representative Map

This provides you a break down by County, Specialty Provider Type, Hospital System, and Zip Code.

If you still have questions regarding your assigned PR representative, please e-mail IlliniCare Health Provider Relations team at or refer to the Provider Relations Territory Assignment List (PDF).

  • Claim requests for reconsideration must be received within 90 calendar days of the original determination or Explanation of Payment (EOP).
  • Claim disputes must be received within 90 days of paid date, not to exceed 1 year from DOS.
  • When IlliniCare Health is the secondary payer, claims must be received within 90 calendar days of the final determination of the primary payer.
  • For more information please refer to our Provider Manual.
  • If you require additional clarification, contact your assigned Provider Relations Representative.
  1. Contact Provider Services at 866-329-4701
  2. If you do not receive resolution, contact your Provider Relations representative
    • Please have claims numbers/issues available
    • Your PR rep will respond to you within 48 hours
  3. If your PR rep does not respond within 48 hours, please contact the PR supervisor

If you have questions regarding billing, IlliniCare Health has a Billing Manual for your reference.

Billing questions for Behavioral Health care services please contact claims customer service at 866-329-4701 or your Provider Relations representative.

IlliniCare Health Top 5 Global Issues. We post monthly status reports on our Claims Bulletins page. If you have question or concerns you may contact your Provider Relations Representative.

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IlliniCare Health routinely provides information and support for you to deliver the best quality of care.