This form contains 112 fields organized into 21 sections. Below is a complete list of every field, its type, and what information is expected.

Field Name Type Description
Basic Information
2. First Text
Enter your first name as it appears on official documents.
3. Middle Text
Enter your middle name as it appears on official documents. If you do not have a middle name, leave this field blank.
4. Last Text
Enter your last name as it appears on official documents.
5. Suffix (e.g., Jr., Sr.) Text
Enter any suffix associated with your name, such as Jr. or Sr., if applicable.
Birth, Gender, and Tax Identifiers (Section 2.A)
Date of Birth Date
Enter the applicant's date of birth. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
State of Birth (U.S. only) Text
Enter the U.S. state where the applicant was born (use the state's full name or its standard postal abbreviation). Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Country of Birth (If other than U.S.) Text
If the applicant was born outside the United States, enter the country of birth; leave blank if born in the U.S. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Male Radiobutton
Check this box if the individual's gender is male. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Female Radiobutton
Check this box if the individual's gender is female. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Social Security Number (SSN) Number
Provide the applicant's U.S. Social Security Number as issued by the Social Security Administration. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
IRS Individual Taxpayer Identification Number (ITIN) Number
Provide the applicant's IRS Individual Taxpayer Identification Number (ITIN) if one has been assigned. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Business Practice Location Information
Business Primary Practice Location Address Line 1 Text
Enter the street number and street name for the primary business practice location (P.O. Boxes are not acceptable).
Business Primary Practice Location Address Line 2 Text
Enter secondary address information for the business practice location such as suite, apartment, floor, or other unit designator.
City/Town Text
Enter the city or town where the business practice location is located.
State/Territory Text
Enter the U.S. state or territory (name or postal abbreviation) in which the business practice location is located.
ZIP or Foreign Postal Code Text
Enter the U.S. ZIP code or the foreign postal code for the business practice location.
ZIP+4 Extension Text
If applicable, enter the 4-digit ZIP+4 code extension for the U.S. ZIP code.
Business Country Name Text
Enter the country name if the business practice location is outside the United States; leave blank if within the U.S.
Business Telephone Number Text
Enter the primary business telephone number including the area code.
Telephone Extension Text
Enter the telephone extension for the business phone number if one applies.
Business Fax Number Text
Enter the business fax number including the area code, if available.
Certification Statement
Section 4. Certification Statement. A. Individual Practitioner's Signature Date* (mm/dd/yyyy) Text
Enter the date of the individual practitioner's signature in the format mm/dd/yyyy.
B. Authorized Official's Signature for the Organization. Required for Type 2 Organizations only. Signature Date* (mm/dd/yyyy) Text
Enter the date of the authorized official's signature for the organization in the format mm/dd/yyyy. This is required for Type 2 Organizations only.
Contact Information
10. Telephone Number* (Include Area Code) Text
Enter the telephone number including the area code.
Section 5. Contact Person. 1. Prefix (e.g., Mr., Mrs.) Text
Enter the prefix (e.g., Mr., Mrs.) of the contact person.
8. E-Mail Address Text
Enter your email address for contact purposes.
9. Telephone Number* (Include Area Code) Text
Enter your telephone number, including the area code.
10. Extension Text
Enter the extension number for your telephone, if applicable.
Correspondence Mailing Address Information
Mailing Address Line 1 Text
Enter the primary correspondence mailing address (street number and name or P.O. Box).
Mailing Address Line 2 Text
Enter additional address information such as suite, apartment, unit, or floor number.
City/Town Text
Enter the city or town for the correspondence mailing address.
State or Territory Text
Enter the U.S. state or territory (abbreviation or full name) for the mailing address.
ZIP or Foreign Postal Code Text
Enter the 5‑digit U.S. ZIP code or the appropriate foreign postal code for the mailing address.
ZIP+4 (last 4 digits) Text
Enter the 4‑digit ZIP+4 code (additional digits to the U.S. ZIP code), if known.
Correspondence Country Text
Enter the country name for the correspondence mailing address if the address is outside the United States.
Correspondence Telephone Number Text
Enter the primary telephone number for correspondence, including area code.
Telephone Extension Text
Enter the telephone extension associated with the correspondence phone number, if applicable.
Correspondence Fax Number Text
Enter the fax number for correspondence, including area code, if available.
Entity Type and Parent Organization (Section 1.B)
An individual who renders health care Radiobutton
Check this box if the entity applying is an individual health care provider (complete Sections 2A, 3, 4A and 5 only).
Is the individual a sole proprietor? — Yes Radiobutton
Check this box if the individual applicant operates as a sole proprietor. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Is the individual a sole proprietor? — No Radiobutton
Check this box if the individual applicant is not a sole proprietor. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
An organization that renders health care Radiobutton
Check this box if the entity applying is an organization or business that renders health care (complete Sections 2B, 3, 4B and 5 only).
Is the organization a subpart? — Yes Radiobutton
Check this box if the organization applying is a subpart of a parent organization. Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
Is the organization a subpart? — No Radiobutton
Check this box if the organization applying is not a subpart of another (parent) organization. Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
Parent Organization Legal Business Name (LBN) Text
Enter the full legal business name of the parent organization (the official name under which the parent entity is registered). Fill only if 'Is the organization a subpart? — Yes' is 'Yes'.
Depends on: Is the organization a subpart? — Yes
Parent Organization Taxpayer Identification Number (TIN) Number
Enter the Taxpayer Identification Number (TIN) of the parent organization as assigned by the IRS. Fill only if 'Is the organization a subpart? — Yes' is 'Yes'.
Depends on: Is the organization a subpart? — Yes
Identifying Information
6. Credential (e.g., M.D., D.O.) Text
Enter your professional credential, such as M.D. or D.O.
7. Title/Position Text
Enter your current title or position within your organization.
Individual Legal Name and Credentials (Section 2.A - Primary Name)
Name Prefix Text
Enter the title or honorific that precedes your name (optional), for example Mr., Mrs., Ms., Dr., etc. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
First Name Text
Enter your given first name exactly as you want it recorded on the application (this field is required). Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Middle Name Text
Enter your middle name or middle initial as you want it recorded; leave blank if you have no middle name. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Last Name Text
Enter your family name or surname exactly as it appears on legal documents (this field is required). Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Name Suffix Text
Enter any suffix to your last name such as Jr., Sr., II, III, etc., if applicable; leave blank if none. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Credentials/Degrees Text
List professional credentials or academic degrees to appear after your name (for example M.D., D.O., Ph.D., RN); separate multiple entries with commas. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Individual Other Name Information (Section 2.A - Other Name)
Other Name Prefix Text
Enter the name prefix or title used with this other name (for example: Mr., Mrs., Ms., Dr.). Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Other First Name Text
Enter the first (given) name that was used in the other name you are reporting. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Other Middle Name Text
Enter the middle name or initial that was used with the other name, if applicable. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Other Last Name Text
Enter the last (family or surname) that was used in the other name you are reporting. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Other Name Suffix Text
Enter any suffix used with the other name (for example: Jr., Sr., III), if applicable. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Other Name Credential Text
Enter any professional or academic credentials that were used with the other name (for example: M.D., D.O.), if applicable. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
License Information
State where issued (If applicable) Text
Enter the state where the license was issued if applicable. This helps in verifying the validity of the license.
Medicaid Identification
Medicaid — Delete Checkbox
Check this box if you are removing (deleting) your Medicaid identification number from the form and have provided the identification number and state/territory where it was issued.
Medicaid Identification Number Text
Enter the Medicaid identification number assigned to the provider by the state, exactly as issued (include any letters, leading zeros, or punctuation). Fill only if 'Medicaid — Delete' Fill only if Delete is 'Yes'.
Depends on: Medicaid — Delete
State/Territory Where Medicaid ID Was Issued Text
Enter the U.S. state or territory that issued the Medicaid identification number (you may use the full name or the two-letter postal abbreviation). Fill only if 'Medicaid — Delete' Fill only if Delete is 'Yes'.
Depends on: Medicaid — Delete
Organization Legal Name and Other Names (Section 2.B)
Legal Business Name Text
Enter the organization’s full, legal business name as registered with the IRS or state authorities. Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
Employer Identification Number (EIN) Number
Provide the organization's Employer Identification Number assigned by the IRS. Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
Other Name (if applicable) Text
Enter any other name the organization uses (for example, a trade name, doing-business-as name, or previously used legal name). Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
Former Legal Business Name Radiobutton
Check this box if the 'Other Name' you are reporting is a former legal business name previously used by the organization. Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
DBA / Doing Business As Name Radiobutton
Check this box if the 'Other Name' you are reporting is a trade name or DBA (Doing Business As) the organization currently uses. Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
Other Radiobutton
Check this box if the 'Other Name' you are reporting does not fit the 'Former Legal Business Name' or 'DBA' categories (specify the type of other name). Fill only if 'An organization that renders health care' is 'Yes'.
Depends on: An organization that renders health care
Other (Non-Medicare) Identification
Other (Non‑Medicare) – Specify Text
Enter the name or type of the other non‑Medicare identification (e.g., Medicaid ID type, state program name, or other payer identifier) being reported.
Delete - Other (Non‑Medicare) Checkbox
Check this box when you want to delete an Other (Non‑Medicare) provider identification number (and then provide the Identification Number and State/Territory where issued). Fill only if 'Other (Non‑Medicare) – Specify' Fill only if Delete is 'Yes'.
Depends on: Other (Non‑Medicare) – Specify
Identification Number (Other) Text
Enter the identification number assigned to the other non‑Medicare identifier specified in the previous field. Fill only if 'Other (Non‑Medicare) – Specify' Fill only if Delete is 'Yes'.
Depends on: Other (Non‑Medicare) – Specify
State/Territory Where Issued Text
Enter the U.S. state or territory (or country/region if applicable) that issued the identification number entered for the other non‑Medicare identifier.
Personal Information
3. Prefix (e.g., Mr., Mrs.) Text
Enter the prefix (e.g., Mr., Mrs.) of the individual.
4. First Text
Enter the first name of the individual.
5. Middle Text
Enter the middle name of the individual.
6. Last Text
Enter the last name of the individual.
7. Suffix (e.g., Jr., Sr.) Text
Enter the suffix (e.g., Jr., Sr.) of the individual.
8. Credential (e.g., M.D., D.O.) Text
Enter the credential (e.g., M.D., D.O.) of the individual.
9. Title/Position Text
Enter the title or position of the individual.
Provider Taxonomy Row 1
Taxonomy Code (primary) Text
Enter the provider taxonomy code that identifies the provider type/specialty for the primary taxonomy (e.g., a 10-character alphanumeric taxonomy code). Fill only if 'Delete (Provider Taxonomy Row 1)' Fill only if Delete is 'Yes'.
Depends on: Delete (Provider Taxonomy Row 1)
Delete (Provider Taxonomy Row 1) Checkbox
Check this box if you are removing the taxonomy code listed on this first provider taxonomy row and want it deleted from the record.
License Number Text
Enter the provider's professional license or certification number associated with the taxonomy code, if applicable.
State/Territory where Issued Text
Enter the U.S. state or territory (name or postal abbreviation) that issued the license or where the taxonomy code is registered. Fill only if 'Delete (Provider Taxonomy Row 1)' Fill only if Delete is 'Yes'.
Depends on: Delete (Provider Taxonomy Row 1)
Provider Taxonomy Row 2
Taxonomy Code (primary) Text
Enter the provider taxonomy code for the primary specialty (the standardized alphanumeric code that identifies the provider type and specialty). Fill only if 'Delete (Provider Taxonomy Row 2)' Fill only if Delete is 'Yes'.
Depends on: Delete (Provider Taxonomy Row 2)
Delete (Provider Taxonomy Row 2) Checkbox
Check this box only if you are removing the provider taxonomy code entered on row 2 (to indicate that the taxonomy code and its related information on this row should be deleted).
License Number Text
Enter the provider's professional license number associated with the taxonomy code if applicable (include any letters or punctuation as shown on the license).
State/Territory of License Text
Enter the U.S. state or territory (name or standard postal abbreviation) that issued the license listed in the previous field, if applicable. Fill only if 'Delete (Provider Taxonomy Row 2)' Fill only if Delete is 'Yes'.
Depends on: Delete (Provider Taxonomy Row 2)
Provider Taxonomy Row 3
Taxonomy Code (Row 3) Text
Enter the provider taxonomy code for this row (primary taxonomy code listed first) that describes the provider type/specialty. Fill only if 'Delete (Taxonomy row 3)' Fill only if Delete is 'Yes'.
Depends on: Delete (Taxonomy row 3)
Delete (Taxonomy row 3) Checkbox
Check this box only if you are removing the provider taxonomy code listed on the third taxonomy row and want that taxonomy entry deleted.
License Number (Row 3) Text
Enter the professional license or certification number associated with the taxonomy code on this row, or leave blank if not applicable.
State/Territory Where Issued (Row 3) Text
Enter the U.S. state, territory, or foreign jurisdiction that issued the license or credential associated with this taxonomy code (use the standard postal abbreviation or full name). Fill only if 'Delete (Taxonomy row 3)' Fill only if Delete is 'Yes'.
Depends on: Delete (Taxonomy row 3)
Provider Taxonomy Row 4
Taxonomy Code (row 4) Text
Enter the provider taxonomy code for this row (primary specialty code) as assigned in the healthcare provider taxonomy set. Fill only if 'Delete (Provider Taxonomy Row 4)' Fill only if Delete is 'Yes'.
Depends on: Delete (Provider Taxonomy Row 4)
Delete (Provider Taxonomy Row 4) Checkbox
Check this box only if you are removing the provider taxonomy code listed on row 4 and want to indicate the code/entry should be deleted.
License Number (row 4) Text
Enter the state or jurisdiction-issued professional license number associated with the taxonomy code in this row.
State/Territory Where Issued (row 4) Text
Enter the two-letter state or other territory name/abbreviation that issued the license entered for this taxonomy row. Fill only if 'Delete (Provider Taxonomy Row 4)' Fill only if Delete is 'Yes'.
Depends on: Delete (Provider Taxonomy Row 4)
Reason for Submittal (Section 1.A)
Initial Application Radiobutton
Check this box if you are applying for a new NPI (initial application).
Change of Information Radiobutton
Check this box if you are updating information for an existing NPI (provide the NPI and complete only the sections that are changing).
Change of Information - NPI Number
Enter the National Provider Identifier (NPI) for the provider whose information is being changed. Fill only if 'Change of Information' is 'Yes'.
Depends on: Change of Information
Deactivation Radiobutton
Check this box if you are requesting that an existing NPI be deactivated (provide the NPI and choose a deactivation reason).
Deactivation - NPI Number
Enter the National Provider Identifier (NPI) for the provider to be deactivated. Fill only if 'Deactivation' is 'Yes'.
Depends on: Deactivation
Death Radiobutton
Check this box if the provider has died and you are submitting the form to deactivate the NPI for that reason. Fill only if 'Deactivation' is 'Yes'.
Depends on: Deactivation
Business Dissolved Radiobutton
Check this box if the business associated with the NPI has been dissolved and you are submitting the form to deactivate the NPI. Fill only if 'Deactivation' is 'Yes'.
Depends on: Deactivation
Other, Specify Radiobutton
Check this box if the reason for deactivation is not listed and you will specify the reason in the space provided. Fill only if 'Deactivation' is 'Yes'.
Depends on: Deactivation
Deactivation - Other Reason Text
If you selected 'Other' as the deactivation reason, briefly describe the specific reason for deactivation. Fill only if 'Other, Specify' is 'Yes'.
Depends on: Other, Specify
Reactivation Radiobutton
Check this box if you are requesting reactivation of a previously deactivated NPI (provide the NPI and the reactivation reason).
Reactivation - NPI Number
Enter the National Provider Identifier (NPI) for the provider to be reactivated. Fill only if 'Reactivation' is 'Yes'.
Depends on: Reactivation
Reactivation Reason Text
Provide the required reason explaining why the provider should be reactivated. Fill only if 'Reactivation' is 'Yes'.
Depends on: Reactivation
Type of Other Name Options (Section 2.A)
Former Name Radiobutton
Check this box if the 'Other Name' you are providing is a former name you previously used (e.g., maiden name or prior legal name). Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Professional Name Radiobutton
Check this box if the 'Other Name' you are providing is a professional name you use in your work (e.g., stage name, pen name, or professional alias). Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care
Other Radiobutton
Check this box if the 'Other Name' you are providing does not fit the 'Former Name' or 'Professional Name' categories and is another type of alternate name. Fill only if 'An individual who renders health care' is 'Yes'.
Depends on: An individual who renders health care