What is Billing provider

Billing Provider is nothing but what we entered in the 33 Field of HCFA. It may be a Group name or practice name or individual physician name which is depends upon how the particular entity registered in the insurance

In box 33, please enter the below information in order to identify the billing provider.

Billing provider Name,
Address
City, State and Zip code
Telephone number and NPI Number.

Reminder: When billing services rendered by an individual associated with an incorporated entity or a group, the individual practitioner’s NPI must be reported in the Rendering Physician’s area (the 2310B Rendering
Provider Loop of the 837P electronic claim or Item 24J of the paper claim form) and the billing entity or group identifier would be reported as indicated above.

Rendering NPI vs Billing NPI
Medical insurance billing