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Contact Us

Customer Service Information for Members

Group Plan Members

Individual Plan Members

General Group Plan Members: 800-323-1743

DeltaCare Plan Members: 800-942-3772

State of Illinois Plan Members: 800-323-1743, press 5

General Individual Plan Members:
855-327-8336

Customer Service Hours: 

7:00 am - 7:00 pm, Monday – Thursday
7:00 am – 6:00 pm, Friday
Central Time 

Customer Service Hours: 

8:30 am – 5:00 pm
Monday – Friday, Central Time

Email: csi@deltadentalil.com

Our IVR (automated phone system) is available 24 hours a day, seven days a week.

Enrollment Help (for individual consumers)

Individual and Family Plans

Patient Direct Dental Savings Plans

Phone: 877-824-2776

Email Address: individual@deltadentalil.com

Mailing Address:

Consumer Direct - Individual Plans 
Delta Dental of Illinois
P.O. Box 3384
Lisle, IL 60532

Phone: 877-824-2776

Email Address
patientdirect@deltadentalil.com

Mailing Address:

Delta Dental of Illinois
Attn: Patient Direct Enrollment
111 Shuman Blvd.
Naperville, IL 60563

Customer Service Hours: 8:30 am – 5:00 pm, Monday – Friday, Central Time

PLEASE NOTE: WE DO NOT ACCEPT APPLICATIONS OR CREDIT CARD INFORMATION BY EMAIL OR FAX. THE EASIEST WAY IS TO ENROLL ONLINE. HOWEVER, NOT ALL OF OUR PLANS OFFER ONLINE ENROLLMENT. IF YOU MUST COMPLETE A PAPER APPLICATION, PLEASE MAIL IT TO THE ADDRESS PROVIDED ABOVE.

University of Illinois Student Plan Members 

Premium Payment Mailing Address

Delta Dental of Illinois
Department 1030
P.O.Box 805275
Chicago, IL 60692-5275

Information for Dentists

To Access Patient Information

Professional Relations
Contact Information

Delta Dental PPO Plus Premier Group Plan Members: Dentist Connection or IVR/Faxback at 800-323-1743

Delta Dental PPO Individual Plan Members:
IVR/Faxback at 855-327-8336

Dentist Connection and our IVR (automated phone system)/Faxback are available 24 hours a day. Delta Dental of Illinois will not provide benefit rundown information through a live representative by phone. If you need more information, you will need to provide a benefit verification number (provided by Dentist Connection or Faxback).

DeltaCare Plan Members: 800-942-3772

State of Illinois Plan Members (other than member benefit rundowns): 
800-323-1743, press 5

Delta Dental of Illinois Network Inquiries:
630-718-4990

Hours: 8:30 am – 5:00 pm
Monday – Friday, Central Time

Email: csi@deltadentalil.com

Email: pr@deltadentalil.com

Mailing Information for Group and Individual Claims and Claims Appeals

Group Plan Members

Individual Plan Members

Delta Dental of Illinois
Attn: DDIL-Group Claims
P.O.Box 5402
Lisle, IL 60532

Electronic Claims Payor ID: 05030

Delta Dental of Illinois
Attn: DDIL-Individual Claims
P.O.Box 5402
Lisle, IL 60532

Electronic Claims Payor ID: IDIND 

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.

Mailing Information for DeltaCare DHMO

Specialty Claims, Grievances and Other General Correspondence

Patient Encounter Forms (Utilization Forms) ONLY Mailing Address

Delta Dental of Illinois
Attn: DeltaCare
P.O. Box 3399 
Lisle, IL 60532

Electronic Claims Payor ID: 05030

Delta Dental of Illinois
Attn: DeltaCare
P.O. Box 3178
Lisle IL 60532


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

               

Information in Other Languages

  

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