Doctors of oriental medicine as a class of licensed providers willing to meet the terms and conditions offered by a health maintenance organization shall not be excluded from a health maintenance organization and shall not be discriminated against relative to other classes of licensed providers regarding services provided within their scope of practice that are in compliance with nationally recognized coding systems. Health maintenance organizations may determine the specific procedure codes that a doctor of oriental medicine is contracted to provide. Health maintenance organizations may choose to contract a doctor of oriental medicine as a primary care provider.