"Attending provider" means a person who is a member of the health care provider network established under RCW
51.36.010, is treating injured workers within the person's scope of practice, and is licensed under Title
18 RCW in one of the following professions: Physicians, chapter
18.71 RCW; osteopathy, chapter
18.57 RCW; chiropractic, chapter
18.25 RCW; naturopathy, chapter
18.36A RCW; podiatric medicine and surgery, chapter
18.22 RCW; dentistry, chapter
18.32 RCW; optometry, chapter
18.53 RCW; in the case of claims solely for mental health conditions, psychology, chapter
18.83 RCW; physician assistants, chapter
18.71A RCW; and licensed *advanced registered nurse practitioners, chapter
18.79 RCW.