The 271 transaction set has a provision to add so called "entity" information to the response. Entities could be

•Primary Care Physician

•Another Payer

•A legal Representative

and a few others.

Required when provider was identified by Identification Number (not Taxonomy Code) in the 270 Inquiry and was used in the determination of the eligibility or benefit response;

or

Required when needed to identify an entity associated with the eligibility or benefits being identified in the 2110D loop such as a provider (e.g. primary care provider), an individual, an organization, another payer, or another information source;

If not required by this implementation guide, do not send.

The Response: Eligibility and Benefit Information screen has the "Add Provider Info" button. Click this to bring up the "Response: Additional Entity Information screen"

The Additional Entity Information screen.