The OCA number is NOT required,if not known. It is the numeric designation for the entities requesting prints (ie employers). It is only applicable to AHCA, DCF, and Medicaid applicants. In the case of AHCA and DCF, it is their agency assigned number (not the license number). In the case of Medicare applicants, it is their medicaid number. This allows the regulatory agency to see specifically which entity is requesting the applicant’s fingerprint background.