WVC 33 - 15 B- 2
§33-15B-2. Scope of article.
The provisions of this article apply to all health care
providers in the state; all health insurers writing or issuing
accident and sickness policies, including hospital service
corporations, health service corporations, medical service
corporations, dental service corporations and HMOs; all third party
payers; all state agencies and departments, including, but not
limited to, the public employees insurance agency and providers of
services under Medicare and Medicaid; and all entities involved in
the payment of health care claims.