The NPDB will issue credits when:
The NPDB issues debits when:
Requests for credits should be made within 60 days of the query submission. An eligible entity that suspects that a bill is incorrect, or that needs more information about a transaction, should contact the NPDB Customer Service Center as soon as possible but no later than 60 days after the query submission on which the error or problem appeared. All of the following information must be provided: