Directs the Secretary of Health and Human Services to compile, annually, a list of physicians serving individuals enrolled under part B (Supplementary Medical Insurance) of title XVIII (Medicare) of the Social Security Act indicating the share of claims which each physician has accepted on an assignment basis in the preceding year. Directs the Secretary to: (1) publish, annually, a list of all physicians who have agreed to accept payment on the basis of assignment for all services furnished under part B; and (2) provide annually to enrollees, annually, a list of physicians in their area who have signed an agreement under which they will accept payment under part B on the basis of an assignment for all services furnished under part B.