The radiation therapist functions as a member of the team of physician (Radiation Oncologist), physicist, dosimetrist, and nurse to provide treatment using ionizing radiation sources for patients with malignant and some benign diseases. The therapist is responsible for the daily delivery of the prescribed treatment according to the treatment plan prepared by the physician in consultation with the medical physicist. The therapist works with the oncology nurse in the daily assessment of the patient's status and needs during their course of therapy.
Radiation therapists are employed in radiation therapy facilities located in hospitals and freestanding centers. Individuals who have the necessary qualifications may be employed in educational programs sponsored by hospitals, colleges, or other qualified centers. Therapists can function as dosimetrists with additional education or experience. A limited number of positions for certified therapist are available in research facilities of various types.