When in need for saving a life of a sick person during Shabbos, and one has an equal choice of similar doctors to call, yet one is Jewish but not Frum and the other is a Gentile, which one should one call.

Although some Poskim maintain that he should choose the non-Jewish one, Horav Shlomo Miller’s Shlit”a opinion is to choose the Jewish one as the mitzva done may be beneficial for his Teshuva return or his children’s return to Hashem.