http://revach.net/article.php?id=2468

Section: Halacha   Category: Tshuvos
Rav Saria Divlitzky: Saying The Name of A Choleh In Shemoneh Esrei

In the bracha of Rifa'einu, before the closing of the Bracha there is a Nusach to say a Yehi Ratzon to be mispalel for specific sick people.  The sefer Yagel Yaakov (Michtav 22) brings from Rav Saria Divlitzky that if you are davening for a particular Choleh you should occasionally omit the name from your Tefila in order that this name shouldn't appear to be part of the Nusach HaTefila.

Important Note: We try to convey the Tshuva to the best of our ability. We admit that our understanding may not be accurate. Please also understand that this Tshuva may not be the final word on this topic. One should consult a Rav before drawing any conclusions.