I guess I found the answer. I had a vague memory of Clothilde of Chocolate and Zucchini mentioning the place. So I found this in her April 2013 mailing, which implies that the two had nothing to do with each other:
and Maxence’s favorite Kurdish sandwich place on rue du Faubourg Saint-Denis, Genç urfa dürüm, whose lahmajoun (pictured at right) we like better than that of the much more famous Urfa Dürüm across the street
