Customer Service

If you have questions about your dental benefit program, contact Central Management Services, Bureau of Benefits, Member Services at 1-800-442-1300.

If you have dental claims questions, contact Delta Dental of Illinois at 800-323-1743, press 5 during business hours for a live Agent, or email Customer service hours are 7:00 a.m. to 7:00 p.m. Monday-Thursday, (CST) and 7:00 a.m. to 6:00 p.m. Friday, (CST). You can also use this number to access the automated phone system which allows you to find a network dentist or check claim status 24 hours a day.