Guardian: Fax Number for Managed DentalGuard Claims

Guardian's confirmed fax number is scoped to Managed DentalGuard (DHMO) claims without x-rays. Standard PPO dental claims have no fax.

Sarah Mitchell

Published on

September 17, 2026

Last updated on

September 22, 2026

Guardian's confirmed fax, 916-388-3604, is specific to Managed DentalGuard (DHMO) claims that don't require x-rays.
Standard Guardian PPO and group dental claims have no fax route, mail or the provider portal only.
Claims needing x-ray documentation follow a different Guardian submission process even under Managed DentalGuard.

Who This Page Is For

Providers and members submitting a Managed DentalGuard (DHMO) claim that doesn't require x-rays. If you have a standard Guardian PPO or group dental plan, this fax number doesn't apply, use mail or the provider portal instead.

What is Guardian's fax number for dental claims?

Guardian's confirmed fax, 916-388-3604, appears on its Managed DentalGuard help center page and covers DHMO plan claims that do not require x-ray documentation. Guardian's standard PPO and group dental pages, by contrast, list only mail and the provider portal, no fax number is published for those plans.

Where to fax

Dental claim without x-rays (Provider or member, Managed DentalGuard (DHMO)): fax 916-388-3604. Source: Guardian DentalGuard FAQ.
Dental claim requiring x-rays (Provider or member, Managed DentalGuard (DHMO)): Not by fax, follow Guardian's x-ray submission process. Source: Guardian DentalGuard FAQ.
PPO or group dental claim (Provider or member, PPO / Group): Not published, use mail or the provider portal. Source: Guardian Group Dental Claims.

Fax number(s) verified 2026-09-17.

Which route should I use?

Confirm your plan is Managed DentalGuard (DHMO) specifically, this fax doesn't apply to PPO or group dental plans.
Check whether the claim needs x-ray documentation, if it does, this fax number isn't the right channel.
For any other Guardian dental plan, use mail or the provider portal instead of searching for a fax number.

Documents to include

Use Guardian's Managed DentalGuard claim form, available on the same help center page, and confirm no x-ray documentation is required before faxing.

Several other health and life insurers follow a similar pattern. Our directory also covers Health Net's fax numbers, how to fax Meritain Health, the Transamerica fax page, UMR's claims fax, sending a fax to UnitedHealthcare, and Unum's fax number, each with its own destination and audience notes.

Fax.Plus's Free plan covers a single Managed DentalGuard claim with 10 free pages, then $0.20 a page, no subscription needed.

FAQs

Does Guardian's dental fax number work for PPO plans?

No. The confirmed Guardian fax is specific to Managed DentalGuard, a DHMO plan. Standard Guardian PPO and group dental claims go through mail or the provider portal instead.