Learn more about our most recent State of California – State of Emergency here…
We apologize for any issues that you may have encountered while you have been a member of Unum Dental HMO Plan. While we encourage you to contact Customer Service directly at 1-800-937-3400 to resolve any issues, you may submit a formal complaint directly by writing to Unum Dental HMO Plan via any of the following methods:
Emailing a completed
complaint form to:
By printing the GRIEVANCE FORM and mailing it to: Unum Dental HMO Plan, 10700 Civic Center Dr, Suite 100-A Rancho Cucamonga, CA 91730
By completing the
ONLINE GRIEVANCE FORM here to submit your grievance online.