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OpenMed-PII-Spanish-ClinicalLongformer-Base-149M-v1

Detects 54 personal identifier types in Spanish clinical text

De-identify text (PII/PHI)Personal identifiers (PII/PHI)SpanishSmall · 148Mapache-2.0

What it does

This model detects 54 types of personal identifiers, such as names, addresses, and social security numbers, in Spanish clinical and biomedical text. It is based on Clinical Longformer with 148M parameters and reports an F1 score of 0.902 on the Spanish subset of AI4Privacy.

Best for

  • De-identifying Spanish medical records
  • Removing personal data from clinical notes
  • Anonymizing Spanish biomedical research documents

What it detects (54 labels)

  • Account name
  • Age
  • Amount
  • Bank account
  • BIC code
  • Bitcoin address
  • Building number
  • City
  • County
  • Credit card number
  • Credit card issuer
  • Currency
  • Currency code
  • Currency name
  • Currency symbol
  • Card CVV
  • Date
  • Date of birth
  • Email
  • Ethereum address
  • Eye color
  • First name
  • Gender
  • GPS coordinates
  • Height
  • IBAN
  • IMEI
  • IP address
  • Job department
  • Job title
  • Last name
  • Litecoin address
  • MAC address
  • Masked number
  • Middle name
  • Occupation
  • Ordinal direction
  • Organization
  • Password
  • Phone
  • PIN
  • Prefix
  • Secondary address
  • Sex
  • Social security number
  • State
  • Street
  • Time
  • URL
  • User agent
  • Username
  • Vehicle identification number
  • Vehicle registration
  • ZIP code

Quality

Benchmark AI4Privacy (Spanish subset) · all models on this benchmark
F10.902
Precision0.898
Recall0.906
Accuracy0.992
SourceReported by the authors (test_results.json in the repository)

Use it

pip install transformers torch

from transformers import pipeline
ner = pipeline("token-classification", model="OpenMed/OpenMed-PII-Spanish-ClinicalLongformer-Base-149M-v1", aggregation_strategy="simple")
print(ner("Patient prescribed 10 mg aspirin for hypertension."))
Android, browser, CPU (ONNX) build
pip install --upgrade "openmed[onnx-runtime]"

from openmed import OnnxModel
model = OnnxModel.from_pretrained("OpenMed/OpenMed-PII-Spanish-ClinicalLongformer-Base-149M-v1-onnx-android")
for entity in model("The patient started imatinib after the consultation."):
    print(entity.to_dict())
Limitations stated in the model card

Important: This model is intended as an assistive tool, not a replacement for human review. - False Negatives: Some PII may not be detected; always verify critical applications - Context Sensitivity: Performance may vary with domain-specific terminology - Language: Optimized for Spanish text; may not perform well on other languages

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