Nursys describes itself as a repository of licensure and disciplinary data submitted by participating boards of nursing, and it displays when a board updated its information. A returned result can support verification, but an absent or stale result cannot be treated as proof that no license or discipline record exists.
MD-Staff presents automation for primary-source verification requests and responses alongside credentialing, privileging, enrollment, application, and committee workflows. Automation can organize evidence, but it cannot turn a returned source record into an appointment, privilege, enrollment, or other accountable decision without identity, scope, exception, and reviewer lineage.
Intealth's ECFMG division verifies specified medical education, training, and registration or licensure credentials directly with issuing institutions. The resulting report supports an evaluating organization; it does not appoint, privilege, license, enroll, or hire the physician.
ABMS separates its free patient-facing board-certification search from products used by professional organizations for primary-source verification. Credentialing teams need the authorized professional record, certification dates, identity match, and current evidence.
NPDB says one-time and continuous query services will merge on December 4, 2026, while preserving the need to track enrollment, notifications, authorized access, identity, and evidence from other sources.