What is the gosnold treatment center? Gosnold Treatment Center, located in Falmouth, MA, is a 50-bed medical stabilization and detoxification unit where patients receive medically monitored withdrawal treatment. Gosnold uses a variety of medications to treat withdrawal to minimize discomfort and avert complications.What is the history of gosnold inc? Gosnold, Inc. – Providing service for inpiduals with mental health and substance use disorder since 1972. Gosnold is a nationally accredited non-profit leader in the prevention, treatment and recovery of mental health and substance use disorders.How long has gosnold been serving addiction? For over 40 years, Gosnold has been serving inpiduals and families affected by addiction. We understand addiction as a chronic disease that requires lifelong care and management.