In addition to the unprofessional conduct described in RCW 18.235.130, the director may take disciplinary action against any applicant or licensee under this chapter if the licensee or applicant:
(1) Has been found to have violated any provisions of chapter 19.86 RCW;
(2) Has engaged in a practice prohibited under RCW 18.300.030 without first obtaining, and maintaining in good standing, the license required by this chapter;
(3) Has failed to display licenses required in this chapter;
(4) Has violated any provision of this chapter or any rule adopted under it; or
(5) Has been found to have violated RCW 70.54.355.