Alleghany Highlands Community Services – Guinan Center is an accredited substance abuse treatment center that provides outpatient treatment for men and women from 18+ years of age. As part of their special programs, Alleghany Highlands Community Services – Guinan Center To help patients achieve sobriety, Alleghany Highlands Community Services – Guinan Center provides intake assessments. Afterward, patients receive during treatment. Alleghany Highlands Community Services – Guinan Center is located in Covington, Virginia, providing treatment for people in Covington City County, accepting cash or self-payment.