National Committee for Quality Assurance (NCQA) www.ncqa.org
American Accreditation Healthcare Commission (formerly the Utilization Review Accreditation Commission-URAC) www.urac.org
Professional societies/associations
National Association Medical Staff Services (NAMSS) Can verify membership or certification for certified provider credentialing specialist and certified professional medical services management. www.namss.org
American Board of Medical Specialties (ABMS) www.abms.org