If the insurance commissioner reports to the department that he or she has cause to believe that a medical testing [test] site has engaged in a pattern of violations of RCW
48.49.020 or
48.49.030, and the report is substantiated after investigation, the department may levy a fine upon the medical testing [test] site in an amount not to exceed one thousand dollars per violation and take other formal or informal disciplinary action as permitted under the authority of the department.