Delta Dental of Michigan can be contacted by calling (800) 524-0149 or on its website, DeltaDentalMI.com, as of 2015. The number for Delta Dental sales is (877) 335-8264 and the number for customer support for individual policies is (800) 971-4108.
Other contact options can be accessed by navigating to DeltaDentalMI.com and clicking Contact Us under the Help heading. Delta Dental lists mailing addresses and phone numbers for different departments. Email support is available by completing an online form.
Delta Dental features online toolkits on its website that allow customers to check benefit information, eligibility, claims and print ID cards. Online toolkits can be accessed by clicking Online Toolkits under the Help heading on its home page.