N.Y. Pub. Health Law § 3372
It shall be the duty of every attending practitioner and every consulting practitioner to report promptly to the commissioner, or his duly designated agent, the name and, if possible, the address of, and such other data as may be required by the commissioner with respect to, any person under treatment if he finds that such person is an addict or a habitual user of any narcotic drug. Such report shall be kept confidential and may be utilized only for statistical, epidemiological or research purposes, except that those reports which originate in the course of a criminal proceeding other than under section 81.25 of the mental hygiene law shall be subject only to the confidentiality requirements of section thirty-three hundred seventy-one of this article.
N.Y. Pub. Health Law § 3372