The Greenbranch Addiction Rehab is Designed to Fit Your Situation and Schedule Outpatient treatment varies slightly in frequency and intensity across Greenbranch, but an abstinence-based approach built on evidence-based practices is core to all of our drug and alcohol rehab programs. The treatment team at Greenbranch has over 30 years of combined experience in the treatment of addiction and co-occurring disorders. The licensed professionals pride themselves in being dedicated and compassionate.