Contact Us
Group administrators should always contact their assigned account manager for assistance.
Below is additional contact information for group plan members. Group plan members can always get real time benefit and claim information 24 hours a day, seven days a week online through the Member Connection or through our automated phone system at 800-323-1743.
Customer Service Information for Group Members
| General Group, DeltaCare and State of Illinois Plan Members |
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General Group Plan Members: 800-323-1743
DeltaCare Plan Members: 800-942-3772
State of Illinois Plan Members: 800-323-1743, press 5
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Customer Service Hours:
7:00 a.m. - 5:00 p.m., Monday – Friday
Central Time
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Email: csi@deltadentalil.com
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Our IVR (automated phone system) is available 24 hours a day, seven days a week.
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Mailing Information for Group Claims and Claims Appeals
| General Group and DeltaCare Plan Members |
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Group Plan Members:
Delta Dental of Illinois
Attn: DDIL-Group Claims
P.O.Box 5402
Lisle, IL 60532
Electronic Claims Payor ID: 05030
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DeltaCare Plan Members:
Delta Dental of Illinois
Attn: DeltaCare
P.O. Box 3399
Lisle, IL 60532
Electronic Claims Payor ID: 05030
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Claims Appeals Mailing Address
DELTA DENTAL OF ILLINOIS
Attn: Re-Evaluation Committee
111 Shuman Blvd.
Naperville, IL 60563
PLEASE NOTE: CLAIMS APPEALS SHOULD BE SENT TO THE STREET ADDRESS ABOVE NOT THE PO BOX. THE PO BOX IS FOR CLAIMS ONLY. CLAIMS APPEALS SENT TO THE PO BOX WILL BE DELAYED.
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Can't find what you are looking for? Visit our main Contact Us page for additional information.
General Inquiries and Other Correspondence