Workers compensation
U.S. Department of Labor / OWCP Provider Enrollment
Submit an OWCP medical provider enrollment application
Use the number only for the documented purpose and routing rule below.
This listing does not guarantee delivery, processing, acceptance, or deadline treatment. Recheck the official instructions before sending.
Route decision
Is this the right fax route?
Match all three checks before using the number.
- 01 Purpose
- Submit an OWCP medical provider enrollment application
- 02 Region or eligibility
- Medical providers enrolling with the Office of Workers Compensation Programs.
- 03 Required form or document
- Completed and signed Form OWCP-1168 with the required enrollment documents.
Submission notes
What to put on the route.
Routing instructions
Fax the enrollment form and all required attachments to Provider Enrollment. The Workers Compensation Medical Bill Processing Portal also accepts enrollment uploads.
Official source and check date
Recheck the route before sending.
- Recipient
- U.S. Department of Labor
- Fax
- 888-444-5335
- Last checked
As of August 24, 2026, the linked U.S. Department of Labor source listed this number for the purpose shown. Just One Fax is not affiliated with or endorsed by U.S. Department of Labor.
Before transmission
Questions to answer before sending.
What is the U.S. Department of Labor fax number for this purpose?
888-444-5335 is the fax number published in the cited official source for this specific purpose: Submit an OWCP medical provider enrollment application. Recheck the source immediately before sending.
How do I know whether this is the right regional route?
Medical providers enrolling with the Office of Workers Compensation Programs.
What should I send to this fax number?
Completed and signed Form OWCP-1168 with the required enrollment documents. Fax the enrollment form and all required attachments to Provider Enrollment. The Workers Compensation Medical Bill Processing Portal also accepts enrollment uploads.
Does this listing guarantee acceptance?
No. The linked source listed this route on August 24, 2026, but only the recipient can determine delivery, eligibility, processing, acceptance, or deadline treatment.
Number prefilled, decision still yours
Prepare one careful fax.
Open the send flow with 888-444-5335 prefilled. Compare it with the official source again before checkout.
Send to 888-444-5335