What it is:
Box 24j is used to indicate the individual performing/rendering the service and the qualifier indicating if the number is a non-NPI is reported in Box 24i. The non-NPI ID number of the rendering provider refers to the payer assigned unique identifier of the professional.
The individual rendering the service should be reported in Box 24j. Enter the non-NPI ID number in the shaded area of the field. Enter the NPI number in the unshaded area of the field. The Rendering Provider is the person or company (laboratory or other facility) who rendered or supervised the care. In the case where a substitute provider (locum tenens) was used, enter that provider’s information here. Report the Identification Number in Box 24i and Box 24j only when different from data recorded in items 33a and 33b.
Therabill will use the Provider from the Scheduling section of the Edit Session dialog to populate box 24j.
From the dashboard click on the green New Session button. You will be on the Entering New Session page. Enter the provider in the Provider field that will be performing services.
You can over-ride the information in the shaded section of Box 24j using the information in the Legacy IDs tab of the Edit Provider page.