The current project's objective was to increase mental health assessor's knowledge about type 2 diabetes after attending a nurse practitioner's presentation. Mental health assessors, primarily social workers, help transition individuals with severe mental illness (SMI) and comorbidities from inpatient nursing homes back into the community. The assessor's knowledge about individual comorbidities, such as diabetes, is crucial for a successful long-term community transition. Mental health assessors were given the Diabetes Knowledge Test 2 pre- and post-educational intervention. The post-test intervention revealed assessors' knowledge increased by 25% in knowledge about diabetes and 225% in ability to use a glucometer. Mental health assessors also maintained their increased knowledge 3 months post-intervention. Emboldened with this knowledge, mental health assessors are better prepared to facilitate safe transfer of individuals with diabetes and SMI back into the community. Mental health assessors may also help prevent unnecessary emergency department visits and/or hospitalizations. [Journal of Psychosocial Nursing and Mental Health Services, 60(2), 27-32.].