Contact Information

Claims/Benefit Questions
Phone: 1-800-323-1743
E-mail: CSI@deltadentalil.com

Sales/Marketing Questions
Phone: 1-800-335-8215
E-mail: ASKDELTA@deltadentalil.com

Dentist Contracting Questions
Phone: 1-630-964-2400, ask for Professional Relations
E-mail: PR@deltadentalil.com

Claims Mailing Address
P.O. Box 5402
Lisle IL 60532

General Mailing Address
801 Ogden Avenue
Lisle, IL 60532

University of Illinois Premium Payment Remittance Mailing Address
Delta Dental of Illinois
Department 1030
P.O. Box 805275
Chicago, IL 60680-5275

Customer Service - DeltaCare

Contact Information

Claims/Benefit Questions
Phone: 1-800-942-3772
E-mail: CSI@deltadentalil.com

Specialty Claims, Grievances and Other General Correspondence Mailing Address
P.O. Box 3399
Lisle IL 60532

Patient Encounter Forms (Utilization Forms) ONLY Mailing Address
P.O. Box 3178
Lisle IL 60532