CPT code 99380 designates a physician or qualified provider’s supervisory role in the care of a patient residing in a nursing facility, documenting time spent overseeing the patient’s plan of care as indirect care. This code is important nationally because it captures provider responsibility for care coordination and oversight in post-acute and long-term care settings, affecting clinical documentation, facility workflows, and payment reporting for supervisory services. Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will gain a concise understanding of the clinical intent and typical setting for 99380, how the service differs from direct hands-on nursing or face-to-face evaluation, and what to expect in payer coverage considerations and coding practice. The publication provides benchmarks where available, highlights relevant policy and documentation requirements that influence billing for supervisory services in nursing facilities, and situates 99380 within the broader set of post-acute care billing practices. Data not provided in the input—such as specific associated taxonomies, ICD-10 mappings, and related codes—is noted as unavailable for this summary.