Welcome, Los Alamos National Security LLC Employees.

Delta Dental is pleased to welcome Los Alamos National Security LLC employees to the Delta Dental benefits website. We are committed to providing you with exceptional service and an extensive network of dentists to choose from.

Your Group Information

Delta Dental group number for Los Alamos National Security LLC:
Delta Dental's regional office address for claim forms and correspondence:
Delta Dental Customer Service
P.O. Box 997330
Sacramento, CA 95899-7330
Delta Dental's toll-free phone number for questions:

Note: In an effort to safeguard your privacy, we have assigned you a unique ID. Please log in to our online services to access your unique ID or call Customer Service at 800-777-5854. Please note, no ID card is necessary. Just provide your dental office with your name, birth date and enrollee ID or social security number. Your unique enrollee I.D. can be obtained online by registering for Online Services at deltadenalins.com/lans or you can pull it up on your smartphone at the dentist’s office. Or you can contact our member services at 1-800-777-5854 to obtain your enrollee I.D. #.

Your Support Guide

Signage for Finding Your Dentist section

Managing Your Plan

Here are resources to help maximize your dental coverage.

Video Watch a Video to Learn More About Your Plan


Delta Dental network dentists file claims for you. You may only need to file a claim when visiting a non-Delta Dental dentist.

Signage for Finding Your Dentist section

Finding a Delta Dental Dentist

Los Alamos National Security LLC enrollees will usually save more with a Delta Dental PPO dentist than with a Delta Dental Premier® or out-of-network dentist. Use our online Find a Dentist search to locate a dentist convenient to your home or office.

Go paperless
Go paperless

PPO enrollees: Sign up to receive email notification and discontinue your mailed statements.

Wellness Resources

Check out our wellness site
Read articles, watch videos and sign up for Grin!, our e-newsletter.
Take the SmileWay Challenge
Review your habits (take our quizzes and risk assessment), get educated and stay informed.
Visit our kids' site
Find fun dental health tips, games and stories for kids and health education materials for parents and teachers.

Find more oral health articles
Visit our national association’s oral health and wellness site.

Online Services

Username and Password help.

Start your online account.

Register Today

Find a Dentist

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Not sure of your plan?

Log in to Online Services to find a dentist.

View our Mobile Site Visit Our Mobile Site

Visit m.deltadentalins.com on your mobile device.

  • Find Dentists
  • View Benefits and ID Card