Levels of tobacco treatment: providers, interventions, training, and certifications needs
| Complexity and intensity of treatment needed | Venue/where | Provider | Intervention | Training needs |
| Minimal | Routine contact with healthcare system | Physicians, nurses, other healthcare providers | Brief 5As (AHRQ clinical practice guideline for clinicians) | 1–2 hour provider training Office systems |
| Moderate | Community health centres, hospitals, healthcare and social service agencies | Tobacco treatment specialists (TTSs) | Intensive with follow up (AHRQ clinical practice guideline for specialists) | 2 day basic skills course and 6 day certification course |
| Complex/intensive (co-morbidity) | Alcohol and drug addiction treatment centres, mental health settings | PhDs, physicians, or licensed alcohol/drug addiction and mental health providers | Intensive plus alcohol/drug abuse or mental health treatment | Specialised skills course |