Delta Dental

Dentists and Subscribers

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Customer Service Inquiry

The administering Delta Dental Member Company for the state of IL is: Delta Dental of Illinois
	Customer Service Phone Number(s): 800-323-1743 E-mail: CSI@deltadentalil.com Claims Mailing Address: P.O. Box 5402 Lisle, IL 60532 General Mailing Address: 111 Shuman Boulevard Naperville, IL 60563

You may submit an inquiry to Illinois' customer service through a secure form at https://www.deltadentalil.com/aboutus/customerinquiry