St. Marianna University School of Medicine (1993-1999)
Showa University School of Medicine (1999-2004)
Showa University Northern Yokohama-City Hospital (2004-2006)
Toho University Ohashi Medical Center (2006-2008)
Clinic Okada (2008-)
Saku General Hospital (2009-)
Shinshu Ueda Medical Center (2009-)