N.J. Stat. § 17:48A-1
As used in this act the following words and phrases shall have the following meanings:
A medical service corporation is any corporation organized, without capital stock, and not for profit, for the purpose of establishing, maintaining and operating nonprofit medical service plans, or to provide or pay for medical services on the basis of premiums or other valuable consideration. A nonprofit medical service plan is any plan or arrangement operated by a medical service corporation, under the provisions of this act, and whereby the expense of medical services to subscribers and other covered dependents is paid in whole or in part by the corporation to participating physicians of such plans or arrangements and to others as provided herein. A subscriber is a person to whom a subscription certificate is issued by the corporation and which sets forth the kinds and extent of the medical services for which the corporation is liable to make payment and which constitutes the contract between the subscriber and the corporation. A covered dependent is the spouse, an adult dependent or a child of the subscriber who is named in the subscription certificate issued to the subscriber and with respect to whom appropriate premium is specified in the certificate. A participating physician is any physician licensed to practice medicine and surgery, or licensed to practice chiropractic in the State of New Jersey pursuant to chapter 9, Title 45, of the Revised Statutes, who agrees in writing with the corporation to perform the medical services specified in the contracts issued by the corporation and at such rates of compensation as shall be determined by its board of trustees and who agrees to abide by the bylaws, rules and regulations of the corporation applicable to participating physicians. Medical service includes all general and special medical, dental and surgical services and chiropractic diagnostic X-ray services, ordinarily provided by such licensed physicians and by others as provided herein in accordance with accepted practices in the community at the time the service is rendered, and within the scope of their licenses. No subscriber or his covered dependents shall be liable for any payment to any participating physician for medical services specified in the subscriber's certificate to be paid to the participating physician by the corporation.
N.J.S. § 17:48A-1