The place, briefly
Begin with what is still here. The long, low brick-and-concrete building behind the gate at 10 rue Fanny is the actual 1925–1926 dispensary complex, not a replacement on the same plot. The number 10 remains on the gatepost, the projecting glass-and-metal canopy still marks the entrance, and the old Hygiène Locale lettering can be read above the doors. That institutional sign records the building's municipal sanitary function; it does not by itself prove that Céline's clinic still operates here. France's official heritage inventory identifies the dispensary and public baths as parts of the complex designed by architect André Berry.
Before Céline existed, there was Dr Louis Destouches — and after his private practice failed, the doctor took a salaried post at the brand-new municipal dispensary of Clichy, opened on the rue Fanny in January 1929. He joined the founding team on 8 January 1929 and stayed nearly nine years, seeing the working poor of the industrial suburb daily: consultations, dispensary medicine, the unglamorous general practice of a factory town pressed against the northwestern edge of Paris.
The day job produced the century's unlikeliest double life. Through those same years Destouches was writing at night, and in 1932 the dispensary doctor published Journey to the End of the Night under his grandmother's name, Céline. The novel's long Parisian movement is set in 'La Garenne-Rancy' — a suburb fictionalized from the Clichy he walked to work in — and its portrait of doctoring among the poor, where medicine collides daily with poverty, is the dispensary transposed nearly whole. The most famous French novel of its decade was written by a municipal clinic employee, and the clinic is in it everywhere.
Céline left the dispensary at the end of 1937, his second novel published and his life beginning its turn toward the catastrophes of the following decade. The Clichy years remain the ones his medical colleagues remembered — the competent, punctual Dr Destouches — and the town has since claimed its place in the novel's history.
The building and the institution now have to be described separately. Clichy's municipal records say that the Marc Chagall health center and its maternal-and-child health services were consolidated at 2 rue Gaston-Paymal in March 2019. An online medical directory still lists a Marc Chagall service at 10 rue Fanny, but current official municipal information places those services at Gaston-Paymal. For a literary visit, the safe and useful answer is simple: the historic building survives and can be seen from rue Fanny, but it is not an open Céline museum or a visitor attraction. View it from outside unless you have legitimate business at the address.