OpenMed is an open-source healthcare AI toolkit that provides specialized medical NLP models for entity extraction, assertion detection, and disease detection from clinical text. It leverages transformer architectures (BERT, Llama, DeepSeek, Qwen) and supports deployment via REST API with FastAPI and Docker. The toolkit includes 12+ curated medical NER models, HIPAA-compliant PII detection with all 18 Safe Harbor identifiers, and runs entirely on-premises for data sovereignty.