GEHA: Fax Number for Appeals

What is GEHA's fax number for appeals?

GEHA confirms an appeals fax of 1-866-963-0156 in its own current Appeal Process FAQ document, usable by members for either medical or dental plan appeals. For a standard claim, GEHA's "Where to submit claims" page lists only electronic (EDI) submission and mail, with no fax number published anywhere on the page. Other GEHA claims-fax numbers found in general search results did not appear on any official GEHA page during this research.

Where to fax

• Medical or dental appeal (Member, Medical or Dental): fax 1-866-963-0156. Source: GEHA Appeal Process FAQ.
• First-time claim submission (Provider or member, Any): Not published, use electronic (EDI) submission or mail. Source: GEHA Where to Submit Claims.

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

Which route should I use?

1. Use the fax only after a claim has already been decided and you're appealing that decision.
2. For an original claim, use electronic submission or mail, GEHA hasn't published a claims fax.
3. Don't trust a GEHA claims fax number found outside geha.com, this research didn't find one confirmed there.

Documents to include

Reference the original claim number and the specific reason for appeal, GEHA's appeals FAQ document outlines what supporting documentation to attach.

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