What is the main focus of this organization-How does it impact healthcare delivery?

HCAD W9- Accreditation Importance

Locate an accrediting body (DNV GL, CARF, CAP, NCQA, AHRP; anything except The Joint Commission), regulatory body (OSHA, EPA, FDA), or quality award or certification organization (ISO, ASQ, Magnet) to research. Why did you select this organization?

What is the main focus of this organization? How does it impact healthcare delivery? What is the value of accreditation or regulation?