Every corporation organized under this chapter shall file in the office of the superintendent annual and quarterly financial statements substantially similar to those required of health insurers under Title 24-A, sections 423, 423-A and 423-D verified by at least 2 of the principal officers of that corporation. A nonprofit hospital or medical service corporation that controls and operates a health maintenance organization as a division or line of business of the corporation shall file on a continuing basis any additional periodic financial reports required by Title 24-A, section 4208. The superintendent or the superintendent’s designee has the power of visitation and examination into the affairs of any corporation described in section 2301 and has free access to the books, papers and documents that relate to the business of the corporation and may summon and qualify witnesses under oath and examine its officers, agents or employees or other persons in relation to the affairs, transactions and condition of the corporation.