Contact Us

Contact us header

Delta Dental works to ensure you receive the best possible service. Contact us by phone or mail, or fill out the form below and we’ll reach out to you!

Customer service contact information

Group plan customer service

Monday through Friday, 8:30 a.m. to 8 p.m. ET; 7:30 a.m. to 7 p.m. CT Automated system is available 24/7.
800-524-0149 (TTY users call 711)

Group plan Toolkit support

Monday through Friday, 8:30 a.m. to 8 p.m. ET; 7:30 a.m. to 7 p.m. CT
866-356-0301

Mailing addresses

Claims mailing address
Delta Dental
PO Box 9085
Farmington Hills, MI 48333-9085

Mailing address for written inquiries
Delta Dental
PO Box 9089
Farmington Hills, MI 48333-9089

Medicaid customer service

Monday-Friday from 8 a.m. to 8 p.m. ET; 7 a.m. to 7 p.m. CT Automated system is available 24/7 at 866-327-0407 (TTY users call 711). Visit memberportal.com to view benefit and claims information.

Mailing addresses

Claims mailing address
Delta Dental
PO Box 9289
Farmington Hills, MI 48333-9298

Mailing address for written inquiries
Delta Dental
PO Box 9230
Farmington Hills, MI 48333-9230

Medicare Advantage customer service

Monday-Friday from 8 a.m. to 8 p.m. ET; 7 a.m. to 7 p.m. CT. Automated system is available 24/7 at 800-330-2732 (TTY users call 711). Visit memberportal.com to view benefit and claims information.

Mailing addresses

Claims mailing address
Delta Dental
PO Box 9289
Farmington Hills, MI 48333-9298

Mailing address for written inquiries
Delta Dental
PO Box 9230
Farmington Hills, MI 48333-9230

Individual policy customer service

Monday–Friday from 8 a.m. to 6 p.m. ET; 7 a.m. to 5 p.m. CT. Automated system is available 24/7 at 800-971-4108.

Individual policy mailing address
PO Box 1596
Indianapolis, IN 46206-1596


Sales inquiries

877-335-8264

Anti-fraud hotline

800-524-0147

For Medicaid and Medicare Advantage plans, please log in to memberportal.com to send a secure message.

Please note: Email is not a secure means of transmitting data. Please do not email any information that you consider confidential and/or personal in nature. 

Need something else? Fill out the form below and we will contact you.

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