Hampstead Hospital is a Mix of Mental Health and Substance Abuse in Hampstead, NH. Provided in an Outpatient, Short-term residential, Long-term residential, Hospital inpatient setting, Hampstead Hospital's services include Substance abuse treatment, Detoxification, Buprenorphine used in treatment. Hampstead Hospital accepts Medicare, Private health insurance, Military insurance (e.g., TRICARE), Cash or self-payment.