Delta Dental appreciates the opportunity to provide you with quality dental benefits and world-class Customer Service.
To file a patience grievance online, use one of the following forms:
Phone and Mail Inquiries
Delta Dental Premier and Delta Dental PPO Customer Service
- Call toll-free:
- Monday through Friday, 5:00 a.m. to 5:00 p.m., Pacific time
- Or write to:
- Delta Dental of California
- P.O. Box 997330
- Sacramento, CA 95899-7330
- Send written grievances to the address above or fax them to 916-631-6374. You can also report a grievance to Customer Service by phone at 888-335-8227 (toll-free).