2010年十二月二十日宾州通过法律要求所有医师配戴职位专业清晰的照片身份ID, 病人能在交谈距离内清楚识别其医师身分。因为许多病人无法或不便询问医师职位及专业，使得他们的疾病不能获得专业医师的诊治。（如何发现你的疼痛治疗医师是否为痛症专科医师？问一问他是否治疗肿瘤疼痛，或是否也是麻醉医师？这样也不会使你感到不便开口。）New Pennsylvania law requires physicians to wear photo IDsStates are working to guarantee that patients know whom they are seeing and are not deceived by health professionals who misrepresent their training.By CAROLYNE KRUPA, amednews staff. Posted Dec. 20, 2010.