NPI: FAQs
A list of Frequently Asked Questions (FAQs) was developed for the National Provider Identifier (NPI) project to address common questions and concerns of Medi-Cal providers. The FAQs will continue to be updated with new information as the NPI project progresses.
For additional questions regarding NPI, contact the Telephone Service Center (TSC) at 1-800-541-5555, select language preference (option 11 for English; option 12 for Spanish), select option 16 from the main menu, then select option 18 from the submenu.
To view questions and answers, click on a category that best describes your needs:
- General
This category includes general questions about NPI, atypical providers, provider enrollment, taxonomy and subparts. - Billing/Claims Processing
This category includes FAQs about hard copy or electronic claim submission. - Claim Forms
This category includes FAQs about the CMS-1500 and UB-04 claim forms. - NPI Application/National Plan and Provider Enumeration System (NPPES)
This category includes FAQs about providers that are required to apply for an NPI. - NPI Registration
This category includes FAQs about registering the NPI.