Mass. Gen. Laws ch. 176I § 9
An organization which offers or administers a health benefit plan or furnishes workers' compensation, under a preferred provider arrangement shall be subject to all of the provisions of its enabling or licensing statute and of any other provisions of the general laws applicable thereto, including but not limited to, the provisions of chapter 176O and any benefits required to be provided by law. To the extent that this section is inconsistent with the provisions of one hundred and seventy-six M and any regulations promulgated thereunder, any nongroup health plan under a preferred provider arrangement that is within the definition of a guaranteed issue health plan in said chapter one hundred and seventy-six M shall be governed by the provisions of said chapter one hundred and seventy-six M and any regulations promulgated thereunder. In connection with any preferred provider arrangement and activities, an organization shall be considered to be an insurance company for the purposes of sections one hundred and ninety-three C, one hundred and ninety-three D, one hundred and ninety-three L, one hundred and ninety-three M and one hundred and ninety-three N of chapter one hundred and seventy-five.
Mass. Gen. Laws ch. 176I, § 9