Gosnold is the largest provider of addiction and mental health services on Cape Cod, with inpatient and outpatient facilities in Cape Cod, Brockton, and North Dartmouth. The Gosnold Treatment Center, Emerson House, Miller House, Gosnold at Cataumet and the Gosnold-Thorne Counseling Center each have a different function in assisting patients and their families. Emerson House is a women's residential treatment center, while Miller House accepts only men.