Consumer Assurance of Radiologic Excellence Act of 2003

Consumer Assurance of Radiologic Excellence Act of 2003 - Amends the Public Health Service Act to direct the Secretary of Health and Human Services to establish standards to assure the safety and accuracy of medical imaging or radiation therapy. States that such standards shall include licensure or certification, accreditation, and other requirements determined by the Secretary.Exempts the standards from applying to physicians, nurse practitioners, and physician assistants.Requires individuals prior to performing or preparing such imaging or therapy to have successfully completed a national exam approved by the Secretary.Directs the Secretary to certify private nonprofit organizations or State agencies as approved bodies with respect to the accreditation of educational programs or the administration of examinations if such organizations or agencies meet certain standards and give certain assurances. Allows the Secretary to withdraw approval from an approved body.Permits the Secretary to develop alternative standards for rural areas if such action is needed to assure access to quality medical imaging.