in 1886, he received his doctorate in paris, and from 1891 served as "médecin des hôpitaux". the following year, he traveled to vienna in order to study with famed otologist adam politzer (1835-1920). it was during this period of time that lermoyez decided to specialize in the field of otorhinolaryngology. in 1896 he opened a private clinic in paris, and two years later was appointed to the hôpital saint-antoine, where he established an otolaryngology service.