Addiction Therapist (Bachelor's Prepared) (AT). The AT level is designated for those who are bachelor's prepared ATs and hold the state's highest-level recognition for practice as bachelor's prepared (i.e., license or certification) in the field of Alcohol and Drug Treatment. Although some states may recognize bachelor's prepared as an independent provider VHA only recognizes bachelor's prepared ATs as a dependent provider. Basic Requirements: United States Citizenship: Non-citizens may only be appointed when it is not possible to recruit qualified citizens in accordance with VA Policy. Physical Standards. Pre-employment physical evaluation and drug testing English Language Proficiency. ATs/LMATs appointed to direct patient care positions must be proficient in spoken and written English as