413 F.3d 897 The PRUDENTIAL INSURANCE CO. OF AMERICA; Prudential Health Care Plan, Inc., d/b/a Prudential Health Care Plan of Arkansas, Plaintiffs/Appellees,HMO Partners, Inc., Plaintiff/Appellant,Arkansas AFL-CIO; Tyson Foods, Inc.; United Paperworkers International Union, AFL-CIO, CLC, Plaintiffs,v.NATIONAL PARK MEDICAL CENTER, INC.; Y.Y. King, M.D., Defendants/Appellees,Bryan W. Russell, D.C.; George A. Haas, O.D.; Bryant Ashley, Jr., O.D., […]