Which of the following requires verification through the primary source according to the Joint Commission?

Verification through the primary source is crucial to ensuring that a healthcare provider's credentials are valid and up-to-date. The Joint Commission places significant importance on primary source verification to maintain high standards of care and safety in healthcare facilities.

In the context of licensure, this means that to confirm that a healthcare professional holds a valid license, the information must be obtained directly from the issuing authority, such as a state licensing board. This process helps to ensure that the information is accurate and legitimate.

While employment history, education history, and training certificates are also important components of credentialing, they may involve verification through secondary sources, such as contacting previous employers or reviewing transcripts, rather than requiring direct confirmation from the primary authority that issued the credential. In contrast, licensure demands that verification must come from the primary source to validate the practitioner's legal right to practice medicine within a specified jurisdiction.