National Anesthesia Clinical Outcomes Registry is approved by Centers for Medicare and Medicaid Services as a Qualified Clinical Data Registry . A Qualified Clinical Data Registry is a registry comprised of Physician Quality Reporting System (PQRS) and/or non Physician Quality Reporting System-approved measures which qualifies as a Centers for Medicare and Medicaid Services-approved reporting tool for Physician Quality Reporting System. Previously, physician anesthesiologists were limited to reporting three measures to Physician Quality Reporting System. National Anesthesia Clinical Outcomes Registry has more than a dozen additional anesthesia-related measure--helping eligible professionals satisfactorily report on outcomes that matter to them and their patients, and more easily meet Physician Quality Reporting System requirements.