When he returned to Japan, he was awarded a medical doctorate for the results of his study in Germany, and he was installed as the chief of the Hygienic Bureau of the Ministry of Home Affairs in December, 1892 on the recommendation of Sensai NAGAYO.
帰国後、留学中の研究の成果を認められて医学博士号を与えられ、明治25年（1892年）12月には長与専斎の推薦で内務省衛生局長に就任した。