Clinical Background check through castlebranch In addition to clearance through the Texas BON criminal background check, the clinical facilities require a separate CBC with details of social security verification, healthcare abuse and fraud, CNA licensure and other healthcare profession licensure verification, criminal history, residency history, etc. Use the package code listed below to place the order through CastleBranch for your clinical background check. This CBC is completed all online and generally takes about 5-7 business days to complete. Once you have received the results in your CastleBranch profile then you will need to download the results to your computer and upload it to your Document Tracker Requirements. All pages must be uploaded in order for this requirement to be met. This does not happen automatically.