Dr. Takashi Ohigashi
Director of the Nihonbashi Muromachi Mitsui Tower Midtown Clinic
Urology
Greetings from the Clinic Director＞

【Career】
Graduated from Keio University School of Medicine in 1984
Doctor of Medical Science (Ph.D. in Medicine)
Former Associate Professor, Department of Urology, Keio University School of Medicine
Former Professor, School of Medicine, International University of Health and Welfare
Former Chief, Department of Urology, International University of Health and Welfare Mita Hospital
Appointed as Director of Nihonbashi Muromachi Mitsui Tower Midtown Clinic in June 2025

【Certifications】
Board-certified Urologist / Instructor
Certified Urological Laparoscopic Surgeon
Board-certified Cancer Treatment Specialist

Dr. Junichi Taguchi
Chief Director of the Nihonbashi Muromachi Mitsui Tower Midtown Clinic / Tokyo Midtown Clinic
Tokyo Midtown Clinic Director and Health Check Center Director
Cardiology

【Career】
1984: Graduated from the Faculty of Medicine, University of Tokyo
1993 Studied abroad at the University of Washington (Seattle)
After working as an assistant at the University of Tokyo Hospital, a physician for the Imperial Household Agency, and an associate professor of cardiology at Tokai University Hachioji Hospital,
2007: Director of Tokyo Midtown Clinic
In 2010, he became the Director of the Tokyo Midtown Center for Advanced Medical Science and Technology
In May 2020, he was appointed as the Chief Director of Nihonbashi Muromachi Mitsui Tower Midtown Clinic.
May 2024: Appointed as the Chief Director of Tokyo Midtown Clinic
June 2024: Appointed Director of the Health Screening Center, Tokyo Midtown Clinic

【Certifications】
Board Certified Physician of General Internal Medicine by Japanese Society of Internal Medicine
Board Certified Cardiologist by Japanese Society of Cardiology
Certified Clinical Geneticist
Board Certified Clinical Geneticist by Japan Society of Human Genetics
Visiting Professor, Tokyo Medical University
Japan-China Medical Exchange Center Director, etc.

Dr. Ikiko Yamaguchi
Assistant Director of the Nihonbashi Muromachi Mitsui Tower Midtown Clinic
Cardiology,General Internal Medicine

【Certifications】
Board Certification in General Internal Medicine, Japanese Society of Internal Medicine
Board Certification in Nutritional Health and Preventive Medicine, Japan
Board Certification in Occupational Medicine, Japan Medical Association
Board Certification in H.pylori Infection, Helicobacteriaceae Society of Japan

Dr. Hidetaka Okubo
Assistant Director of the Nihonbashi Muromachi Mitsui Tower Midtown Clinic
Gastroenterology

【Career】
2009 Graduated from Kyushu University School of Medicine
2009 Initial Residency at JCHO Kyushu Hospital
2011 Advanced Training in Gastroenterology, National Center for Global Health and Medicine, National Institute of Health Crisis Management
2014 Fellow in Gastroenterology, National Center for Global Health and Medicine, National Institute of Health Crisis Management
2017 Staff Physician, Gastroenterology, National Center for Global Health and Medicine, National Institute of Health Crisis Management
2020 Full-time Gastroenterologist, Midtown Clinic, Nihonbashi Muromachi Mitsui Tower

【Certifications】
Board-certified General Internist (Japanese Society of Internal Medicine)
Board-certified / Instructor in Gastrointestinal Endoscopy (Japan Gastroenterological Endoscopy Society)
Board-certified Gastroenterologist (Japanese Society of Gastroenterology)
Board-certified Hepatologist (Japan Society of Hepatology)
Certified Clinical Training Instructor for Physicians
Designated Intractable Disease Physician

Dr. Yasushi Yoshida
Respiratory Medicine

【Career】
MD, Chiba University, School of Medicine, 1994
PhD, Graduate of Chiba University, Graduate School of Medicine, 2003
Having completed his training at Chiba University Hospital, Dr. Yoshida assumed the position of Chief Medical Director of Respiratory Medicine at Chiba Cancer Center. Following his tenure there, he became Deputy Director of the Health Screening Center at Mitsuwadai General Hospital before accepting a position at our Nihonbashi Muromachi Mitsui Tower Midtown Clinic in April 2023.

【Certifications】
Fellow of the Japanese Society of Internal Medicine
Board Certified Member and Senior Fellow of the Japanese Respiratory Society
Board Certified Physician of Japan Society of Ningen Dock
Certified Ningen Dock Information Management Advisor)

Dr. Akihiko Hoshi
Neurology

【Certifications】
1996 Graduated from Fukushima Medical University School of Medicine
2012 Lecturer, Department of Neurology, Fukushima Medical University School of Medicine
Attending Physician, Shinkatsushika Royal Clinic
Director, Shinbashi Internal Medicine and Neurology Clinic
Director, Medical Check Studio Shinjuku
Director, Shinjuku Green Tower Internal Medicine Clinic

【Certifications】
Board Certified Neurologist (Japanese Society of Neurology)
Board Certified Stroke Specialist (Japan Stroke Society)
Certified Internist (Japanese Society of Internal Medicine)

Dr. Kenshi Matsumoto
Director, Endoscopy Center, Midtown Clinic East
Gastroenterology

【Certifications】
MD, Juntendo University, Faculty of Medicine, 1997
Upon completing his residency at Juntendo University Hospital, Dr. Matsumoto joined the Department of Internal Medicine at the Institute of Gastroenterology at Tokyo Women’s Medical University, where he became an associate. Since then, he has worked as an assistant professor at Juntendo University Nerima Hospital before becoming an associate professor at Juntendo University’s Department of Medicine, Division of Gastroenterology and a part-time lecturer for the Department of Gastroenterology at Tokyo Women’s Medical University, School of Medicine.
He joined the Nihonbashi Muromachi Mitsui Tower Clinic team in April 2021.

【Certifications】
Board Certified Member of the Japanese Society of Internal Medicine
Board Certified Fellow, Trainer, Kanto District Councilor, and Academic Councilor of the Japan Gastroenterological Endoscopy Society
Board Certified Gastroenterologist, Trainer, and Kanto District Councilor of the Japanese Society of Gastroenterology
Board Certified Gastroenterologist and Councilor of the Japanese Gastroenterological Association
The Japanese Society for Helicobacter Research Fellow (JSHRF)
Objective Structured Clinical Exam (OSCE) Examiner

Dr. Yoshino Arai
Veterinarian, Ph.D. in Medicine
Diabetes Medicine

【Certifications】
MD, the University of Tokyo, Faculty of Agriculture, Department of Veterinary Medicine, 2001
MD, University of Tsukuba, School of Medicine, 2007
PhD, Graduate of the University of Tokyo, Graduate School of Medicine, 2016
Engaged in clinical practice at Showa General Hospital, University of Tokyo Hospital, and clinics in Tokyo.

【Certifications】
Board-Certified Diabetologist, Japan Diabetes Society
Board-Certified Member and Fellow in General Internal Medicine, Japanese Society of Internal Medicine
Board-Certified Specialist in Arteriosclerosis, Japan Atherosclerosis Society
Designated Physician for Intractable/Rare Diseases (Nanbyo), Japan

Dr. Tomoko Takamura
Cardiology

【Certifications】
2008 Graduated from Kurume University School of Medicine
Completed initial residency at Yokohama City University Medical Center / Affiliated Hospital
Served as a senior resident at Yokohama City University Hospital
Subsequently worked at hospitals in Kanagawa Prefecture and Tokyo
From April 2024 Joined Midtown Clinic, Nihonbashi Muromachi Mitsui Tower

【Certifications】
Certified Internist and Specialist in General Internal Medicine, Japanese Society of Internal Medicine
Board-certified Cardiologist, Japanese Circulation Society

Dr. Miyuki Tanino
General Internal Medicine

【Certifications】
BS, Cornell University, Biological Sciences and Animal Science, 2009
MD, Weill Cornell Medical College, 2013
Internal Medicine-Pediatrics Residency, Albany Medical Center, 2017
Junior Residency, Tokyo Women's Medical University, Medical Center East, 2020

【Certifications】
Board Certified, Japanese Society of Internal Medicine
Board Certified, American Board of Internal Medicine
Board Certified, American Board of Pediatrics
New York State Medical License

Dr. Kazutaka Takami
Respiratory Medicine（Part-time Physician）

【Career】
MD, the University of Tokyo, Faculty of Medicine, 1991 Studied abroad at Washington University School of Medicine in St. Louis in 2000.
Dr. Takami previously held positions as a Court Physician on the Board of Chamberlains of the Imperial Household Agency and a lecturer in the Department of Respiratory Medicine at the University of Tokyo Hospital. After which, he served as the Head of the Department of Respiratory Medicine at Kanto Central Hospital of the Mutual Aid Association of Public School Teachers and as a part-time lecturer for the Institute of Medical Science, the University of Tokyo, before joining our team at the Nihonbashi Muromachi Mitsui Tower Midtown Clinic in April of 2023.

【Certifications】
Board Certified Member and Fellow of the Japanese Society of Internal Medicine
Board CertifiedMember and Senior Fellow of the Japanese Respiratory Society
Board Certified Bronchoscopy Member and Fellow of the Japan Society for Respiratory Endoscopy
Board Certified Allergist of the Japanese Society of Allergology
Designated Physician (Impaired respiratory function specialist) under Article 15 of the Act for the Welfare of Persons with Disabilities
Designated Intractable Disease Physician