N.H. Rev. Stat. Ann. § 330-C:26

A person licensed or certified under this chapter or an employee of such person, shall not disclose any confidential information that the licensee, certificate holder, or employee may have acquired while performing substance use counseling services for a patient unless in accordance with the federal regulation regarding the Confidentiality of Alcohol and Drug Abuse Patient Records pursuant to 42 C.F.R. section 2.1 et seq.