The role of the occupational therapist in today's health care system is discussed in relation to the large numbers of patients with treatment problems and the relatively small numbers in the profession. The importance of good, efficient assessment procedures is emphasized in order to maximize the profession's helpfulness. Review of current practices among occupational therapists in carrying out the assessment function is presented along with data from a survey of therapists in physical disabilities practice. The article concludes with a plea for the increased use of standardized evaluation tools by occupational therapists to both make their efforts more effective and to build credibility for the services of the profession.