Archive Colonial Methadone Clinic Slammed Hard by Minnesota Authorities by Goran Dimitrovski October 5, 2012 by Goran Dimitrovski October 5, 2012 Addiction Treatment Industry Newswire 10/05/2012 – ATIN- For-profit methadone clinic operator Colonial Management Group has been slammed hard by Minnesota authorities as state… 0 FacebookTwitterPinterestEmail