N.Y. Comp. Codes R. & Regs. tit. 18, § 504.1
(a) The policy of this State is to make available to everyone, regardless of race, age, national origin or economic standing, uniform high quality medical care. In pursuit of this goal the department will contract with only those persons who can demonstrate that they are qualified to provide medical care, services or supplies and who can provide reasonable assurance that public funds will be properly utilized. Only qualified and responsible persons may be enrolled as providers of care, services and supplies.
(b)
(d) The following definitions shall apply to this Part unless the context requires otherwise:
(18) Person with an ownership or control interest means a person who: