Dentist Contact Us

Email Addresses 
General Questions:

Direct Deposit:

Electronic Claims:
cservice@deltadentalwa.com

providerservices@deltadentalwa.com

cservice@deltadentalwa.com
Telephone Numbers  
Provider Services

Customer Service

Toll Free
(800) 238-3439

(206) 522-2300

(800) 554-1907
Mailing Address  
Washington Dental Service
P.O. Box 75688
Seattle, WA 98175
 
Questions? Call Washington Dental Customer Service at (800)554-1907 Monday through Thursday between 8 am to 4 pm PT; Friday between 8 am and 12 pm PT.