To develop a registry of patients with diagnosis of AUD or alcohol misuse by leveraging comprehensive proprietary electronic health record (EHR)-based data within Kaiser Permanente Northern California (KPNC) and use this registry to evaluate the full course of alcohol problems, longitudinally and comprehensively, including early identification, initiation and engagement in treatment (including psychiatry, addiction medicine, and pharmacotherapy), and longterm outcomes (e.g., drinking, physical and mental well-being), which are critical to understanding recovery.