Objectives: to examine the effectiveness of occupational therapy in the interventions of different diagnoses and age groups, and to provide evidence of occupational therapy’s contribution to healthcare system.

Methods: PICO method was used. A thorough review was conducted to identify most relevant evidence-based research related to the effectiveness of occupational therapy and its contribution to healthcare.

Results: occupational therapy has been applied in a variety of clinical and research settings and has proven to be effective in many therapeutic approaches and rehabilitative fields, such as but not limited to: neurorehabilitation approach, biomechanical approach, mental and behavioral health, geriatrics, and pediatrics.

Conclusion: occupational therapy has proven to be useful and effective and contributes significantly in managing symptoms of a variety of disorders and enhancing and/or maintaining functional performance for persons with disabilities and health-related problems. The inclusion of occupational therapy professionals to the existing interdisciplinary medical and rehabilitation team would foster collaboration and integrated intervention planning.: PICO method was used. A thorough review was conducted to identify most relevant evidence-based research related to the effectiveness of occupational therapy and its contribution to healthcare.

Results: occupational therapy has been applied in a variety of clinical and research settings and has proven to be effective in many therapeutic approaches and rehabilitative fields, such as but not limited to: neurorehabilitation approach, biomechanical approach, mental and behavioral health, geriatrics, and pediatrics.

Conclusion: occupational therapy has proven to be useful and effective and contributes significantly in managing symptoms of a variety of disorders and enhancing and/or maintaining functional performance for persons with disabilities and health-related problems. The inclusion of occupational therapy professionals to the existing interdisciplinary medical and rehabilitation team would foster collaboration and integrated intervention pl