The Notice of Privacy Practices (NPP) describes how health information about you may be used and disclosed as well as how you can get access to this information from the Detroit Health Department. The NPP is a requirement under the Health Insurance Portability and Accountability Act of 1996 (HIPAA), specifically 45 CFR § 164.520, for any healthcare provider, health plan, and public health departments to develop and distribute a notice explaining how they may use and disclose protected health information (PHI).