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  • Medicaid Provider Alert: Provider revalidation has begun and those not completing the process risk disenrollment.  Check your account now to learn when your revalidation is due. More information here.
  • The Cook Central Office, 36 South Wabash Avenue, Chicago, will close 02/03/2025.  The new Cook Central Office will open at 115 South LaSalle, Chicago, for in-person service on 02/10/2025.  
  • ​UPDATE: The State Disbursement Unit (SDU) is processing all payments received. To verify the status of your payment, please log into the SDU parent portal or contact the SDU Customer Service Call Center at 877.225.7077.  For SDU business hours, click here.
Elizabeth M. Whitehorn, Director

IMPACT Home

                             WELCOME TO IMPACT PROVIDER ENROLLMENT SERVICES!

Provider Enrollment Services enrolls qualified providers to receive Medicaid reimbursement for services rendered to our Illinois Medicaid customers.  Providers wanting to enroll in the Illinois Medicaid program can do so online by accessing our online provider enrollment system, IMPACT. 

IMPACT is a web-based system to allow providers a more convenient user experience and ensure our customers receive efficient and high-quality Medicaid services. 

You may visit  https://impact.illinois.gov/ to login or click the login button below.

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Should you have questions about enrollment or need assistance, call 1-877-782-5565 to speak to a Provider Enrollment specialist.