management of the provision of health care services, namely, reviewing billing and similar financial statements, rendered to others insured by the reviewing entity or an affiliate thereof, for the provision of health care services; evaluating medical treatment plans furnished, and medical services rendered, to others insured by the evaluating entity or an affiliate thereof; assembling a select group of physicians, hospitals and other health care providers which have agreed,with the assembling entity or an affiliate thereof, to participate in the furnishing of health care services to others insured by such assembling entity or an affiliate thereof, and providing to said insured others a list of those in such select group; administering, on behalf of others insured by the administering entity or an affiliate thereof, documentation relating to claims payments and claims management sevices with respect to worker's compensation insurance