presidio/docs/supported_entities.md

PII entities supported by Presidio

Presidio contains predefined recognizers for PII entities. This page describes the different entities Presidio can detect and the method Presidio employs to detect those.

In addition, Presidio allows you to add custom entity recognizers. For more information, refer to the adding new recognizers documentation.

List of supported entities

Global

Entity Type	Description	Detection Method
CREDIT_CARD	A credit card number is between 12 to 19 digits. https://en.wikipedia.org/wiki/Payment_card_number	Pattern match and checksum
CRYPTO	A Crypto wallet number. Currently only Bitcoin address is supported	Pattern match, context and checksum
DATE_TIME	Absolute or relative dates or periods or times smaller than a day.	Pattern match and context
EMAIL_ADDRESS	An email address identifies an email box to which email messages are delivered	Pattern match, context and RFC-822 validation
IBAN_CODE	The International Bank Account Number (IBAN) is an internationally agreed system of identifying bank accounts across national borders to facilitate the communication and processing of cross border transactions with a reduced risk of transcription errors.	Pattern match, context and checksum
IP_ADDRESS	An Internet Protocol (IP) address (either IPv4 or IPv6).	Pattern match and context
MAC_ADDRESS	A Media Access Control (MAC) address is a unique identifier assigned to network interfaces for communications on the physical network segment.	Pattern match and context
NRP	A person’s Nationality, religious or political group.	Custom logic and context
LOCATION	Name of politically or geographically defined location (cities, provinces, countries, international regions, bodies of water, mountains	Custom logic and context
PERSON	A full person name, which can include first names, middle names or initials, and last names.	Custom logic and context
PHONE_NUMBER	A telephone number. The PhoneRecognizer can be extended programmatically for country-specific detection by configuring supported_regions and supported_entity (e.g. Philippines: PhoneRecognizer(supported_regions=["PH"], supported_entity="PH_MOBILE_NUMBER"), Turkey: PhoneRecognizer(supported_regions=["TR"], supported_entity="TR_PHONE_NUMBER"))	Custom logic, pattern match and context
MEDICAL_LICENSE	Common medical license numbers.	Pattern match, context and checksum
URL	A URL (Uniform Resource Locator), unique identifier used to locate a resource on the Internet	Pattern match, context and top level url validation
UUID	A Universally Unique Identifier (UUID) in the standard 8-4-4-4-12 hyphenated hexadecimal format. Covers RFC 4122 versions 1-5 and RFC 9562 versions 6-8; the nil UUID (all zeros) is excluded as a non-identifying sentinel.	Pattern match, validation of version/variant nibbles, and context

USA

Entity Type	Description	Detection Method
US_BANK_NUMBER	A US bank account number is between 8 to 17 digits.	Pattern match and context
US_DRIVER_LICENSE	A US driver license according to https://ntsi.com/drivers-license-format/	Pattern match and context
US_ITIN	US Individual Taxpayer Identification Number (ITIN). Nine digits that start with a "9" and contain a "7" or "8" as the 4 digit.	Pattern match and context
US_CLAIM_NUMBER	A US healthcare claim identifier used in billing and claims processing.	Pattern match, context enhancement, and entity threshold
US_HEALTH_INSURANCE_MEMBER_ID	A US health insurance member or subscriber identifier printed on an insurance card. Healthcare or insurance context increases detection confidence.	Pattern match, context enhancement, and entity threshold
US_MBI	A US Medicare Beneficiary Identifier (MBI) with 11 alphanumeric characters.	Pattern match and context
US_NPI	A US National Provider Identifier (NPI) is a 10-digit number issued to healthcare providers by CMS under HIPAA.	Pattern match, context and checksum
US_PASSPORT	A US passport number with 9 digits.	Pattern match and context
US_PRESCRIPTION_NUMBER	A US prescription or pharmacy order identifier.	Pattern match, context enhancement, and entity threshold
US_PRIOR_AUTHORIZATION_NUMBER	A US prior authorization identifier used for treatment or drug approval requests.	Pattern match, context enhancement, and entity threshold
US_PROVIDER_TAX_ID	A US provider organization tax identifier (TIN/EIN) used in healthcare billing workflows.	Pattern match, context enhancement, and entity threshold
US_REFERRAL_NUMBER	A US healthcare referral identifier, including specialty or infusion referral numbers.	Pattern match, context enhancement, and entity threshold
US_SSN	A US Social Security Number (SSN) with 9 digits.	Pattern match and context

UK

Entity Type	Description	Detection Method
UK_DRIVING_LICENCE	UK driving licence number issued by the DVLA. A 16-character alphanumeric string encoding surname, date of birth, and initials.	Pattern match, context and validation
UK_NHS	A UK NHS number is 10 digits.	Pattern match, context and checksum
UK_NINO	UK National Insurance Number is a unique identifier used in the administration of National Insurance and tax.	Pattern match and context
UK_PASSPORT	A UK passport number consists of 2 letters followed by 7 digits (e.g., AB1234567), used in passports issued from 2015 onwards.	Pattern match and context
UK_POSTCODE	A UK postcode is a 5-8 character alphanumeric code used by the Royal Mail for mail sorting.	Pattern match and context
UK_VEHICLE_REGISTRATION	A UK vehicle registration number (number plate) in current (2001+), prefix (1983-2001), or suffix (1963-1983) format.	Pattern match, context and validation

Spain

Entity Type	Description	Detection Method
ES_NIF	A Spanish NIF number (Personal tax ID).	Pattern match, context and checksum
ES_NIE	A Spanish NIE number (Foreigners ID card).	Pattern match, context and checksum
ES_PASSPORT	A Spanish passport number.	Pattern match and context

Italy

Entity Type	Description	Detection Method
IT_FISCAL_CODE	An Italian personal identification code. https://en.wikipedia.org/wiki/Italian_fiscal_code	Pattern match, context and checksum
IT_DRIVER_LICENSE	An Italian driver license number.	Pattern match and context
IT_VAT_CODE	An Italian VAT code number	Pattern match, context and checksum
IT_PASSPORT	An Italian passport number.	Pattern match and context
IT_IDENTITY_CARD	An Italian identity card number. https://en.wikipedia.org/wiki/Italian_electronic_identity_card	Pattern match and context

Poland

Entity Type	Description	Detection Method
PL_PESEL	Polish PESEL number	Pattern match, context and checksum

Singapore

FieldType	Description	Detection Method
SG_NRIC_FIN	A National Registration Identification Card	Pattern match and context
SG_UEN	A Unique Entity Number (UEN) is a standard identification number for entities registered in Singapore.	Pattern match, context, and checksum

Australia

FieldType	Description	Detection Method
AU_ABN	The Australian Business Number (ABN) is a unique 11 digit identifier issued to all entities registered in the Australian Business Register (ABR).	Pattern match, context, and checksum
AU_ACN	An Australian Company Number is a unique nine-digit number issued by the Australian Securities and Investments Commission to every company registered under the Commonwealth Corporations Act 2001 as an identifier.	Pattern match, context, and checksum
AU_TFN	The tax file number (TFN) is a unique identifier issued by the Australian Taxation Office to each taxpaying entity	Pattern match, context, and checksum
AU_MEDICARE	Medicare number is a unique identifier issued by Australian Government that enables the cardholder to receive a rebates of medical expenses under Australia's Medicare system	Pattern match, context, and checksum

India

FieldType	Description	Detection Method
IN_PAN	The Indian Permanent Account Number (PAN) is a unique 12 character alphanumeric identifier issued to all business and individual entities registered as Tax Payers.	Pattern match, context
IN_AADHAAR	Indian government issued unique 12 digit individual identity number	Pattern match, context, and checksum
IN_VEHICLE_REGISTRATION	Indian government issued transport (govt, personal, diplomatic, defence) vehicle registration number	Pattern match, context, and checksum
IN_VOTER	Indian Election Commission issued 10 digit alpha numeric voter id for all indian citizens (age 18 or above)	Pattern match, context
IN_PASSPORT	Indian Passport Number	Pattern match, Context
IN_GSTIN	The Indian Goods and Services Tax Identification Number (GSTIN) is a 15-character identifier with state code (01-37), PAN, registration number, 'Z', and checksum.	Pattern match, context, and validation

Finland

FieldType	Description	Detection Method
FI_PERSONAL_IDENTITY_CODE	The Finnish Personal Identity Code (Henkilötunnus) is a unique 11 character individual identity number.	Pattern match, context and custom logic.

Korea

FieldType	Description	Detection Method
KR_DRIVER_LICENSE	The Korean driver license number is a 12-digit number.	Pattern match, context and custom logic.
KR_FRN	The Korean Foreigner Registration Number (FRN) is a 13-digit number.	Pattern match, context and custom logic.
KR_PASSPORT	The Korean Passport Number	Pattern match, context.
KR_BRN	The Korean Business Registration Number (BRN) is a 10-digit number assigned to business entities for taxation purposes.	Pattern match, context and custom logic.
KR_RRN	The Korean Resident Registration Number (RRN) is a 13-digit number issued to all Korean residents.	Pattern match, context and custom logic.

Nigeria

FieldType	Description	Detection Method
NG_NIN	The Nigerian National Identification Number (NIN) is a unique 11-digit number issued by the National Identity Management Commission (NIMC).	Pattern match, context, and checksum
NG_VEHICLE_REGISTRATION	Nigerian vehicle registration plate number in the current format (2011+): 3 letters (LGA code), 3 digits (serial), 2 letters (year/batch).	Pattern match and context

Philippines

FieldType	Description	Detection Method
PH_PASSPORT	Philippine Passport Number. Alphanumeric format, usually 1 letter followed by 7 digits and 1 letter, or 2 letters followed by 7 digits (e.g., P1234567A, EB1234567).	Pattern match and context
PH_TIN	Philippines Taxpayer Identification Number (TIN). 9 or 12-digit number issued by the Bureau of Internal Revenue (BIR).	Pattern match, context, and checksum

Canada

FieldType	Description	Detection Method
CA_SIN	A Canadian Social Insurance Number (SIN) is a 9-digit number issued by Employment and Social Development Canada (ESDC) to administer government programs. The last digit is a Luhn check digit. SINs starting with 0 or 8 are reserved and not issued.	Pattern match, context, and checksum
CA_POSTAL_CODE	A Canadian postal code in the standard A1A 1A1 format (letter-digit-letter, space, digit-letter-digit). The letters D, F, I, O, Q, U are never used in any letter position; W and Z are additionally excluded from the first letter position.	Pattern match and context

Sweden

FieldType	Description	Detection Method
SE_ORGANISATIONSNUMMER	The Swedish Organisations ID Number is a unique 10-digit number issued to all Swedish organisations.	Pattern match, context, and checksum.
SE_PERSONNUMMER	The Swedish Personal ID Number is a unique 10/12-digit number issued to all Swedish residents. The recognizer also supports Samordningsnummer (coordination numbers) issued to individuals who are not (yet) registered residents but need a Swedish identifier (e.g., temporary workers, students).	Pattern match, context, and checksum.

South Africa

FieldType	Description	Detection Method
ZA_ID_NUMBER	The South African identity number is a 13-digit identifier in the YYMMDDSSSSCAZ format, where the trailing digit is validated with the Luhn algorithm.	Pattern match, context, and checksum.
ZA_PASSPORT	The South African passport number is a 9-character identifier with prefix letter A, D, M, or T followed by 8 digits.	Pattern match, context, and validation.
ZA_INCOME_TAX_NUMBER	The South African SARS income tax reference number is a 10-digit numeric identifier, commonly starting with 0, 1, 2, 3, or 9.	Pattern match, context, and validation.
ZA_DRIVER_LICENSE	The South African eNaTIS driver's licence number is an alphanumeric identifier of 10–14 characters.	Pattern match, context, and validation.
ZA_VAT_NUMBER	The South African VAT registration number is a 10-digit identifier starting with 4.	Pattern match, context, and validation.
ZA_COMPANY_REGISTRATION	The South African CIPC company registration number uses modern YYYY/NNNNNN/NN format or legacy prefixed formats such as CK.	Pattern match, context, and validation.
ZA_TRAFFIC_REGISTER_NUMBER	The South African eNaTIS traffic register number is a 13-digit identifier for foreigners and organisations, disambiguated from ZA_ID_NUMBER via validation.	Pattern match, context, and validation.
ZA_LICENSE_PLATE	The South African vehicle licence plate uses provincial formats such as compact suffix forms (e.g. KD93GKGP) or spaced layouts (e.g. DK 28 LF GP).	Pattern match, context, and validation.
ZA_MOBILE_NUMBER	The South African mobile (cellular) number uses a 9-digit national significant number with country code +27 or domestic trunk prefix 0 (primarily 06x, 07x, and cellular 08x ranges).	phonenumbers match, line-type filter, and context.
ZA_TELEPHONE_NUMBER	The South African telephone number covers geographic landlines (01x–05x) and non-mobile service lines such as toll-free (080), sharecall (086), and VoIP (087).	phonenumbers match, line-type filter, and context.

Thai

FieldType	Description	Detection Method
TH_TNIN	The Thai National ID Number (TNIN) is a unique 13-digit number issued to all Thai residents.	Pattern match, context and custom logic.

Turkey

FieldType	Description	Detection Method
TR_NATIONAL_ID	The Turkish National Identification Number (TCKN) is a unique 11-digit number issued to all Turkish citizens.	Pattern match, context and checksum.
TR_LICENSE_PLATE	Turkish vehicle license plate (plaka): 2-digit province code (01–81), 1–3 letters (A–Z, excluding Q, W, X), and 2–4 digits. Standard civilian format only. Legal basis: KTK Madde 23.	Pattern match, context and province code validation.

Philippines

FieldType	Description	Detection Method
PH_UMID	Philippine Unified Multi-Purpose ID (UMID) / Common Reference Number (CRN). 12-digit format (e.g., 0111-1234567-8). Acts as a master ID connecting SSS, GSIS, PhilHealth, and Pag-IBIG. Disabled by default.	Pattern match and context

Germany

Entity Type	Description	Detection Method
DE_TAX_ID	German Steueridentifikationsnummer (Steuer-IdNr.): unique 11-digit personal tax identification number issued by the Bundeszentralamt für Steuern. Legal basis: §§ 139a–139e AO.	Pattern match, context and checksum (ISO 7064 Mod 11, 10)
DE_TAX_NUMBER	German Steuernummer: tax number assigned by the local Finanzamt, in ELSTER unified 13-digit format or state-specific slash-separated formats. Legal basis: § 139a AO.	Pattern match and context
DE_PASSPORT	German Reisepassnummer: 9-character alphanumeric document number using ICAO Doc 9303 character set. Legal basis: Passgesetz (PassG) § 4.	Pattern match and context
DE_ID_CARD	German Personalausweisnummer: 9-character alphanumeric document number (nPA since Nov 2010) or legacy T+8-digit format. Legal basis: Personalausweisgesetz (PAuswG).	Pattern match and context
DE_SOCIAL_SECURITY	German Rentenversicherungsnummer (RVNR): 12-character identifier encoding birth date, surname initial, serial and check digit. Legal basis: § 147 SGB VI.	Pattern match, context and checksum (DRV algorithm)
DE_HEALTH_INSURANCE	German Krankenversicherungsnummer (KVNR): 10-character identifier (1 letter + 9 digits) printed on the elektronische Gesundheitskarte (eGK). Legal basis: § 290 SGB V. Special category: health data (DSGVO Art. 9).	Pattern match, context and checksum (GKV-Spitzenverband algorithm)
DE_KFZ	German KFZ-Kennzeichen (vehicle registration plate): district code (1–3 letters), identifier (1–2 letters), and 1–4 digits, optionally with E (electric) or H (historic) suffix. Legal basis: Fahrzeug-Zulassungsverordnung (FZV) § 8.	Pattern match and context
DE_HANDELSREGISTER	German Handelsregisternummer: commercial register number with HRA (sole traders / partnerships) or HRB (corporations) prefix followed by 1–6 digits. HRA entries directly identify natural persons (sole traders). Legal basis: §§ 9, 14 HGB, HRV.	Pattern match and context
DE_PLZ	German Postleitzahl (postal code): 5-digit code in the range 01001–99998. Constitutes personal data in combination with other address fields (DSGVO Art. 4 Nr. 1). High false-positive risk – only reliable with address-context words present; base confidence is 0.05. Legal basis: DSGVO Art. 4 Nr. 1.	Pattern match and context (context required for actionable results)

Medical / Clinical

Detected using the MedicalNERRecognizer (requires the transformers extra). Uses the blaze999/Medical-NER model by default.

Entity Type	Description	Detection Method
MEDICAL_DISEASE_DISORDER	A disease or disorder (e.g. diabetes, hypertension).	NER model (HuggingFace transformers)
MEDICAL_MEDICATION	A medication or drug name (e.g. metformin, aspirin).	NER model (HuggingFace transformers)
MEDICAL_THERAPEUTIC_PROCEDURE	A therapeutic or diagnostic procedure (e.g. surgery, MRI).	NER model (HuggingFace transformers)
MEDICAL_CLINICAL_EVENT	A clinical event (e.g. admission, discharge).	NER model (HuggingFace transformers)
MEDICAL_BIOLOGICAL_ATTRIBUTE	A biological attribute or measurement (e.g. blood pressure, BMI).	NER model (HuggingFace transformers)
MEDICAL_BIOLOGICAL_STRUCTURE	A biological or anatomical structure (e.g. liver, left ventricle).	NER model (HuggingFace transformers)
MEDICAL_FAMILY_HISTORY	A family medical history reference.	NER model (HuggingFace transformers)
MEDICAL_HISTORY	A patient medical history reference.	NER model (HuggingFace transformers)

Adding a custom PII entity

See this documentation for instructions on how to add a new Recognizer for a new type of PII entity.

Complementing Presidio with Azure AI Language PII

Azure AI Language PII is a cloud-based service that provides Natural Language Processing (NLP) features for detecting PII in text.

A list of supported entities by Azure AI Language PII can be found here.

To add Azure AI language into Presidio, see this sample.

Complementing Presidio with Azure Health Data Services PHI

Azure Health Data Services PHI is a cloud-based service that provides Natural Language Processing (NLP) features for detecting PHI in text.

A list of supported entities by Azure Health Data Services PHI can be found here.

To add Azure AI language into Presidio, see this sample.

Connecting to 3rd party PII detectors

See this documentation for instructions on how to implement an external PII detector for a new or existing type of PII entity.