I Have Methadone Is The Best Way I Have Found

i have methadone is the best way i have found to cure my urges to fight my opiate addiction mainly heroin
is there a facility where i can check in and start an intelligent planned withdrawal using methadone ive u sed heroin for the last 38 years maybe i need 2 use methadone to overcome this considering past experience can u recommend a clinic nationwide that uses methadone as a treatment option thank u ive tried the suboxen deal and that is something that doesnt work please help or offer a alterative thnx
i at at m,y wits end