As previously communicated, when submitting claims for IBC members, please be 
sure to continue using a valid National Provider Identifier (NPI) for billing, 
rendering, and referring providers, as applicable. This requirement applies to 
all claims — including those that are processed on our current and new 
operating platforms as we continue our transition of membership to the new 
claims processing system. 
It is critical that you submit claims with a valid NPI, as the claims 
processing system reviews each claim for this data. Providers should work with 
their clearinghouse/trading partner to ensure accurate claims submission. 
Using an invalid NPI could delay processing and payment. 
The most common reasons that an NPI would be considered invalid are:
The NPI is terminated. 
The NPI is entered incorrectly. 
The number is invalid. 
 
Resources
 
For additional information about NPI regulations, implementations, reports, and 
resources, visit our 
website. For more information about our 
Business 
Transformation, please visit our dedicated site.