Veterans with a mental health diagnosis have higher a prevalence of smoking and higher rates of smoking-related morbidities compared to the general Veteran population. Smoking cessation treatment delivery in the VA typically depends on a visit from a health care provider. In this study, investigators will use information within the electronic medical record to identify all smokers with a mental health diagnosis at a VA health care facility and proactively reach out to enroll them in an intensive tobacco cessation treatment program. This approach could be generalized to other behaviors and provides a novel method to improve the health of an entire population of patients.