Early Intervention Central Billing Office Help Desk Phone: (800) 634-8540 Help Desk Hours: 7:30 a.m. - 5:00 p.m. Fax: (217) 541-7475 Claim Submission Address: Early Intervention Central Billing Office PO Box 19485 Springfield, IL 62794-9485 DHS - Bureau of Early Intervention DHS Phone: (217) 782-1981 DHS Mailing Address: 823 East Monroe Springfield, IL 62701
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Early Intervention 