There are various words that can be used as synonyms for the phrase "health registration authority". Some possible options include "health regulatory agency", "health licensing organization", "health certification board", "health accreditation body", and "health standards commission". These terms refer to entities that oversee and regulate various aspects of healthcare, such as the licensing and accreditation of medical professionals, the establishment of quality standards and guidelines for healthcare facilities and services, and the monitoring and enforcement of health and safety regulations. Whether you are in the healthcare industry or simply seeking reliable and trustworthy information about health and wellness, these organizations play an essential role in maintaining standards and promoting public health.