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.

Phone Directory

Program Areas	Phone Number(s)
Computer Services	217-782-1351
Director	217-782-1200 / 312-793-4792
Equal Employment Opportunity	312-793-4322 / 312-793-1407 (TTY)
Federal Finance	217-557-8310
Finance	217-524-7480
Fiscal Management	217-785-1781
Fiscal Operations	217-782-1123
General Counsel	217-782-1233 / 312-793-4805
Inspector General	1-844-453-7283 / 1-844-ILFRAUD
Internal Affairs OIG	217-782-1516
Labor Relations	217-785-9821
Legislation	217-782-1212
Medical Director	217-782-2570 / 312-793-5277
Personnel Management	217-524-0618 / 1-217-782-0950 (TTY)
Purchasing Officer	217-557-5777
Rules and Regulations	217-782-1233
Selection and Recruitment	217-557-2875
Office of Planning	217-557-9870
Training	217-557-9065

Medical Programs Phone Directory

Program Areas	Phone Number(s)
All Kids	217-524-7156
All Kids Hotline	1-866-255-5437 / 1-877-204-1012 (TTY)
All Kids Credit Card Payment Hotline	1-877-828-2375
All Kids Switchboard	1-877-805-5312
Claims Processing	1-877-782-5565 / 1-800-226-0768
Client Health Care Hotline	1-800-226-0768
Collections	217-782-1348
Comprehensive Health Services	217-785-2867
Drug Prior Approval for Providers	1-800-252-8942
Health Benefits Hotline	1-800-226-0768
Health Benefits for Workers with Disabilities	1-800-226-0768 / 1-866-675-8440 (TTY)
Health Finance	217-782-1630
Illinois CaresRx Clients	1-800-226-0768
Interagency Coordination	217-557-1868
Long Term Care	217-782-0545
MDS Help Desk	1-888-586-8717
Medical Programs	217-782-2570
Medical Technical Support	217-524-7288
Program Reimbursement Analysis	217-782-3953
Provider Billing Hotline	1-877-782-5565
Provider and Beneficiary Hotline	1-844-591-9053
Provider Assessment Program	217-524-7110
Provider Eligibility Inquiry Hotline	1-800-842-1461
Provider Participation	877-782-5565
Rate Development and Analysis	217-785-0710

Program Area	Phone Number(s)
DCSS Call Center	1-800-447-4278 / 1-800-526-5812 (TTY)
DCSS Non-Custodial Parent Services	312-793-7987
Employer Inquiry Line	312-803-7253 / 1-888-245-1938
National Medical Support Notice Information Line	312-803-7253 / 1-888-245-1938
Paternity Establishment Information Line	1-800-447-4278
SDU Call Center	1-877-225-7077
Tax Intercept Protest Information Line	1-800-447-4278