Quick takeaway
- OWCP provides specific NPI and taxonomy placement guidance for both professional and institutional bills.
- On OWCP-1500, billing and servicing provider information appears in the 1500 provider fields.
- On OWCP-04, billing and attending/servicing provider information appears in institutional fields.
For a Windows workflow related to this topic, see OWCP-1500 + OWCP-04 Software. You can also return to the MedClaimSoftware home page for the complete software lineup and free trials.
Provider identifiers are a common source of confusion when an office moves from ordinary medical billing into Department of Labor OWCP billing. OWCP publishes specific guidance for NPI and taxonomy placement.
OWCP-1500 professional bills
Current OWCP guidance places the billing provider NPI in Box 33a and billing taxonomy in Box 33b. Servicing facility and provider information has its own placement, and group-provider workflows may require servicing-provider information on the service line.
OWCP-04 institutional bills
OWCP guidance places the billing provider NPI in Box 56 and billing taxonomy in Box 81CCa. Attending/servicing provider information is reported in the institutional provider fields identified by OWCP.
Why saved templates need review
Provider identifiers can change, and billing requirements can be updated. If your office uses saved provider templates, verify them against the current OWCP guidance rather than assuming an older setup is still correct.
Software can reduce re-entry
Saving verified provider and taxonomy information can reduce repetitive typing, but the office should still review the values before each claim or after any provider-enrollment change.
Keep the workflow current
Government forms and instructions can change. Before a form is finalized, compare the saved record with the current official instructions and requirements that apply to the case. Software can make data entry, saving, retrieval, and printing more consistent, but it does not replace the agency's filing rules.