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Oncology Center

Rai Shimoyama, Director of Oncology Center and Surgery

M.D., Akita University Faculty of Medicine
General Surgery, Surgical Oncology, Medical Oncology and Palliative Care
Special Qualifications and Medical Society Memberships
・Board Certified Surgeon, Japan Surgical Society
・Mammography Screening Radiologist, The Central Committee on Quality Control of Mammographic Screening
・Infection Control Doctor, Japanese College of Infection Control Doctors
・Board Certified Occupational Health Doctor, Japan Medical Association
・Instructor of Clinical Training
・Certified Planner for “Palliative Care Workshop”, Japanese Society for Palliative Medicine
・Nursing Care Manager
・Japan Surgical Association
・Japan Society of Gastroenterological Surgery
・Japan Society for Endoscopic Surgery
・Japanese Gastric Cancer Association
・The Japanese Breast Cancer Society
・Japanese Cancer Association
・Japan Society of Clinical Oncology
・The Japanese Society of Nuclear Medicine
・Japanese Society for Palliative Medicine
・Japanese Association for Acute Medicine
・Active member of American Society of Clinical Oncology


Eri Tanaka, M.D.
Youtaro Tamai, M.D.
Emiko Kanbe, M.D.
Kumiko Tanaka, M.D.
Hideyasu Sugimoto, M.D.
Kazuya Koizumi,M.D.
Hidemitsu Ogino, M.D.
Jun Kawachi, M.D.
Naoko Isogai, M.D.
Hiromi Inoue M.D.
Tsuyoshi Kusaka,M.D.
Ichiro Miura, M.D.
Norihiko Murata, M.D.
Masaki Yoshizawa, M.D.



General Consultation Service Hours

【Morning hours】

7:30 ~ 12:00
(11:00 for Plastic Surgery)
(~11:30 for Internal Medicine initial visit)

【Afternoon hours】

12:30 ~ * Hours vary by department

【Evening hours】

16:45 ~ 19:00

※Some departments are by appointment only. Consultation Service Hours may vary by department. Please ask the clerk at the reception desk or call +81-467-46-1717 for further details regarding operating hours.

Days Closed

Sundays and Holidays

Shonan ER

Open 24 hours a day 365 days a year

※For more information, please contact us at +81-467-46-1717 or Fax +81-467-45-0190 or contact us.