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Contact Us

You should always contact your assigned account manager.

Delta Dental of Illinois group members can 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. The Member Connection allows you to find everything you need to know about your and your covered dependents' benefits, including:

  • Claim status
  • Eligibility information
  • Maximum and deductibles used to date
  • Benefit levels
  • Frequency and age limits
  • Waiting periods
  • Preventive history
  • Explanation of Benefits (EOBs)

Group Members

Delta Dental PPOSM and Premier®

Customer Service Hours: Monday - Thursday, 7:00 a.m. - 7:00 p.m.; Friday, 7:00 a.m. - 6:00 p.m. (Central Time)
Phone: (800) 323-1743
Email: csi@deltadentalil.com
IVR Phone System: 24 hours a day, 7 days a week (find a dentist, check claim status)

Group Claims Mailing Address:
Attn: DDIL - Group Claims
P.O. Box 5402
Lisle, IL 60532

DeltaCare®

Customer Service Hours: Monday - Thursday, 7:00 a.m. - 7:00 p.m.; Friday, 7:00 a.m. - 6:00 p.m. (Central Time)
Phone: (800) 942-3772
Email: csi@deltadentalil.com
IVR Phone System: 24 hours a day, 7 days a week 

DeltaCare Mailing Address:
Attn: DeltaCare - Group Claim, Grievances and Other General Correspondence
P.O. Box 3399 
Lisle, IL 60532

Enrollment (Web and General Inquiries)

Electronic Eligibility (File Inquiries)

Billing Questions

General Inquiries and Other Correspondence

Delta Dental of Illinois
111 Shuman Boulevard
Naperville, IL 60563
Phone: (630) 718-4700
Email: askdelta@deltadentalil.com

Sales and Marketing Questions
Phone: (800) 335-8215
E-mail: askdelta@deltadentalil.com

               

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