N.Y. Pub. Health Law § 238-b

§ 238-b. Provider requests for payment. Each request for payment or\nbill submitted by a health care provider for clinical laboratory,\npharmacy services, radiation therapy services, physical therapy services\nor x-ray or imaging services for which the provider knows or has reason\nto believe that there has been a referral by a referring practitioner\nwho is an interested investor in the health care provider shall identify\nthe referring practitioner by name and by professional license number or\nany appropriate program provider number. The provisions of this section\nshall not apply to requests for payment or bills the content of which\nare regulated solely by federal law or regulation and to services\nexcluded pursuant to paragraph (a), (b), (c), (d) or (e) of subdivision\ntwo of section two hundred thirty-eight-a of this title from the\nprohibitions of subdivision one of section two hundred thirty-eight-a of\nthis title.\n