Clinical notes, problem lists, medication orders, and billing codes are core components of the electronic health record. When these components conflict, the record may become less reliable for care delivery, quality measurement, and reimbursement. Current inconsistency detection is largely manual, episodic, and dependent on documentation audits. This approach is difficult to scale across encounters, specialties, and longitudinal records. This article proposes a deep learning NLP model for detecting contradictions among clinical notes, problem lists, medication orders, and billing codes. The goal is to support continuous documentation integrity surveillance. The proposed model uses transformer-based encoders for clinical text and embedding layers for structured coded fields. Cross-attention mechanisms align concepts across EHR modules before classifying consistency relationships. Conceptually, the model could surface discrepancies such as a diagnosis documented in a note but absent from the problem list, or a billing code unsupported by physician documentation. Its output would include an inconsistency category and an interpretable explanation for clinician review. A unified NLP model for cross-module inconsistency detection could improve EHR trustworthiness, documentation quality, and clinical audit workflows. Such a system should be evaluated prospectively before operational deployment.