About the Program This program is designed to prepare students with the knowledge, skills and attitudes necessary to perform their role as occupational therapist assistants and physiotherapist assistants OTAs and PTAs ..Occupational Therapists Assistants. An occupational therapist assistant works under the supervision of an occupational therapist to guide the patients of all ages, to grow and enhance positive skills, rehabilitate after injury, monitoring their chronic conditions and diagnosing their illnesses..Occupational Therapy Assistant. Wor Wic’s occupational therapy assistant OTA program is accredited by the Accreditation Council for Occupational Therapy Education ACOTE of the American Occupational Therapy Association AOTA , Montgomery Ln., Ste. , Bethesda, MD , AOTA, . .