There are multiple pieces of information that you need to gather for the NPI application. There are some differences in information required for a Type 1 individual application and Type 2 organization application.
Name
Type 1 NPI (individual): Full legal name (must match SSA records)
Type 2 NPI (organization/group practice): Legal business name (must match IRS records for EIN)
Other name(s)
Type 1 NPI: Any other names used (e.g., maiden, former, professional; optional)
Type 2 NPI: Any other business names (DBA, former legal business name, etc.; optional)
Date of birth
Type 1 NPI: Required
Type 2 NPI: Not required
Place of birth
Type 1 NPI: State and country of birth
Type 2 NPI: Not required
Social security number (SSN)
Type 1 NPI: Required (or ITIN)
Type 2 NPI: Not required
Employer identification number (EIN)
Type 1 NPI: Not required (unless incorporated as individual)
Type 2 NPI: Required (must match IRS records)
Mailing address
Type 1 NPI: Required
Type 2 NPI: Required
Practice location address
Type 1 NPI: Required
Type 2 NPI: Required
Business phone number
Type 1 NPI: Required
Type 2 NPI: Required
Email address
Type 1 NPI: Required
Type 2 NPI: Required
Provider taxonomy code
Type 1 NPI: Required (select specialty, e.g., psychologist, counselor)
Type 2 NPI: Required (select single or multi-specialty as well as individual specialty)
State license information
Type 1 NPI: Required if applicable (license number and state)
Type 2 NPI: Required if applicable (for organization or supervising providers)
Other provider IDs (Medicare/Medicaid)
Type 1 NPI: Optional
Type 2 NPI: Optional
Endpoints (for data sharing)
Type 1 NPI: Optional
Type 2 NPI: Optional
Contact person
Type 1 NPI: Required (may be self)
Type 2 NPI: Required (name, phone, email for organization contact)
Subpart information
Type 1 NPI: Not applicable
Type 2 NPI: Required if the organization is a subpart of a larger entity (parent EIN/name)
Certification statement
Type 1 NPI: Must be read and agreed to
Type 2 NPI: Must be read and agreed to