American Clinic Tokyo is an American medical practice founded by Frederick I. Shane, M.D. in 1954. It has been serving the English speaking international community for 65 years. The clinic is located in Akasaka, Tokyo and was succeeded by Grant Mikasa, M.D. in 2013.


Dr. Grant Mikasa is an American citizen with expertise in General Medicine. He is the Medical Director of the American Clinic Tokyo where General Medicine is integrated with Psychiatry to provide better health outcomes. More information at LinkedIn.

Dr. Natsuko Shibagaki is a native English speaker who attended Yokohama International School, Univ. Pennsylvania, and Tokai Univ. Medical School. She specializes in Internal Medicine (Diabetes and Endocrinology).  FRI (AM)

Dr. Mariko Yanai specializes in General Internal Medicine, and practices at St. Luke’s International Hospital. THU (AM)


Dr. Andrew Kissane is a UK-trained, British, native English speaking psychiatrist. He is a member of the Royal College of Psychiatrists, is on the Specialist Register with the General Medical Council and holds a medical License to Practice in both UK and Japan. Dr. Kissane provides psychiatry services at the American Clinic Tokyo. MON, THU, FRI LinkedIn 


Dr. Lena Akai is a Psychologist and a specialist in respiration. She graduated from Harvard University and received her Ph.D. from Showa University School of Medicine. She offers “Emotionally Calming Breathing Exercises” that help in decreasing anxiety. She also provides individualized advice on lifestyle modifications. TUE, WED