East Central Kansas Area Agency on Aging Health Maintenance OrganizationsCommunity Developmental Disabilities OrganizationNon ProfitSocial Service Agency East Central Kansas Area Agency on Aging Visit Website 117 S Main Ottawa, KS 66067 (785) 242-7200 (785) 242-7202 (fax) Hours: Monday - Friday 8am-5pm About About Provide and coordinate services for the elderly. Assessments for Medicaid for elderly, physically disabled, and traumatic brain injury.