HIMSS Word of the Day #176: Veterans Integrated Service Network (VISN)
A Veterans Integrated Service Network (VISN) is a regional system of VA medical centers, clinics, and services that work together to meet veterans’ healthcare needs. This post explains how VISNs began, how the VA’s December 2025 reorganization consolidated 18 networks into five, why regional structure matters for standardization, data, and health IT, and what it means for nurses.