This is so true. Especially for Americans who had moved back into the "eastern customs", and have the same family clinic or doctor. Doctors tend to talk about the BP, lipids, cholesterol, or "sugar"-control of the husband/wife to the wife/husband, when s/he visits the clinic for his/her own wellness checks. It could be so annoying. In many countries, there is no such thing as that HIPAA thing (such a good rhyme for a rap!!) . It is like living in a collective family; everybody's private affairs are everybody else's entertainment. Apropos the OP's "Why not humor the old parent...", the only way it can be done is to change some of the personal identification information on the medical reports, especially the birthdate, nationality, address. I am sure that the old people may not recognize the changes, and pass it on to whomever medicos they want to consult about the reports and feel placated.