Sakakibara Sapia Tower Clinic

Sakakibara Sapia Tower Clinic

Medical Services

Medical Services
  • Cardiology
  • Cardiovascular Surgery
  • Adult Congenital Heart Disease Clinic
  • Gastroenterology
  • Endocrinology
  • Respiratory
  • Radiology
  • Diabetes
  • Medical Checkup
  • Vaccinations
  • Yuji Nakazato, M.D., Ph.D.
    Director

    Yuji Nakazato, M.D., Ph.D.

    Specialist in Cardiac Electrophysiology and Cardiac Implantable Electrical Devices
    Areas of Expertise
    Cardiac Arrhythmias
    Surgical Implantation and Management of Cardiac Devices:
    Pacemakers
    Implantable Cardioverter Defibrillators (ICD)
    Cardiac Resynchronization Therapy (CRT)
    Implantable Loop Recorders
    Certifications & Professional Memberships
    Board-Certified Specialist, Japanese Heart Rhythm Society (Honorary Member)
    Board-Certified Specialist, Japanese Circulation Society
    Member, Japanese College of Cardiology
    Certified Member, Japanese Society of Internal Medicine
    Member, Heart Rhythm Society (U.S.)
    Member, European Society of Cardiology (ESC)
    Member, European Heart Rhythm Association (EHRA)
    Founding Member, European Society of Cardiac Arrhythmias
    Career Summary
    1980Graduated from Juntendo University, Faculty of Medicine
    1986Completed Ph.D. in Cardiovascular Medicine, Juntendo University Graduate School
    1991Research Fellow, Department of Cardiology, University of Münster, Germany
    1992Fellow, Department of Electrophysiology, Jean Rostand Hospital, France
    Assistant Professor, Department of Cardiovascular Medicine, Juntendo University
    1995Lecturer, Department of Cardiovascular Medicine, Juntendo University
    2002Associate Professor, Department of Cardiovascular Medicine, Juntendo University
    2007Professor, Juntendo University Faculty of Medicine (Urayasu Hospital)
    2019Honorary Professor, Chapidze Emergency Cardiology Center, Georgia
    2020Emeritus Professor, Juntendo University Faculty of Medicine
  • Kotaro Obunai, M.D.
    Chairman

    Kotaro Obunai, M.D.

    Sakakibara Koseikai
    Chief of Heart Center
    Chief of Department of Cardiology
    Tokyo Bay Medical Center
    Areas of Expertise
    Interventional Cardiology
    General Cardiology
    Certifications
    American Board of Internal Medicine
    American Board of Cardiovascular Disease
    American Board of Interventional Cardiology
    American Board of Vascular Medicine (Endovascular)
    Japanese Board of Internal Medicine
    Japanese Board of Cardiology
    Japanese Board of Interventional Cardiology

    Certified Practitioner and Instructor: Transcatheter Aortic Valve Implantation (TAVI)
    Certified Practitioner: Transcatheter Edge to Edge Repair (MitraClip, PASCAL)
    Certified Practitioner for Transcatheter Atrial Septal Defect (ASD) Closure
    Certified Practitioner for Transcatheter Patent Ductus Arteriosus (PDA) Closure
    Certified Practitioner for Transcatheter Patent Foramen Ovale (PFO) Closure
    Certified Practitioner for Left Atrial Appendage Closure System (WATCHMAN)
    Certified Practitioner for Endovascular Aneurysm Repair (EVAR)
    Professional Career
    1996M.D. Degree, Niigata University, School of Medicine
    1996-2000Resident and Fellowship in Internal Medicine and Cardiology, Tokyo Women’s Medical University Hospital
    2000-2003Residency in Internal Medicine, Beth Israel Medical Center, New York
    2003-2006Fellowship in Cardiology, Beth Israel Medical Center, New York
    2006-2008Fellowship in Interventional Cardiology, Columbia University Medical Center, New York
    2008-2010Instructor, Department of Cardiology, Columbia University Medical Center, New York
    2010Department of Cardiology, Makiminato Central Hospital, Okinawa
    2012Chief, Department of Cardiology, Tokyo Bay Medical Center, Chiba
    2022Chairman, Sakakibara Koseikai
Kotaro Obunai, MD

Kotaro Obunai, MD

Japan

Dr. Obunai serves as the Chairman of Sakakibara Koseikai, one of the leading medical groups representing Tokyo, the capital of Japan. Under his leadership, the organization is dedicated to providing top-quality healthcare to support the well-being of many individuals. In addition to his role as Chairman, Dr. Obunai holds the position of Chief of the Department of Cardiology at Tokyo Bay Medical Center in Chiba, Japan. His distinguished career includes two years of dedicated service as an attending physician at the Center for Interventional Vascular Therapy at NewYork-Presbyterian Hospital, Columbia University, in New York City.

Dr. Obunai is a recognized expert in the field of Interventional Cardiology, with specialized interests in advanced coronary interventions. His expertise extends to Complex Higher-risk Indicated Patients (CHIP), chronic total occlusions (CTO), transcatheter aortic valve replacement (TAVR), transcatheter mitral valve repair using MitraClip®, and the closure of structural heart defects such as atrial septal defect (ASD), patent ductus arteriosus (PDA), and patent foramen ovale (PFO).

Dr. Obunai received his medical degree from Niigata University School of Medicine in Japan. He further honed his clinical skills through postgraduate medical training in the United States, completing his residency in Internal Medicine and a fellowship in Cardiovascular Disease at Beth Israel Medical Center in New York. He subsequently pursued specialized training in Interventional Cardiology at NewYork-Presbyterian Hospital, Columbia University.

Dr. Obunai is certified in Interventional Cardiology, Cardiology, and Internal Medicine by the professional boards in both Japan and the United States. A prolific contributor to the field of cardiology, he has authored numerous abstracts and peer-reviewed articles, further solidifying his reputation as a leading voice in medical research and innovation.

ACCESS

Sapia Tower 7F, 1-7-12 Marunouchi,
Chiyoda-ku, Tokyo 100-0005, Japan
Google Map

Tel: +81-3-5288-0011
Fax: +81-3-5288-0117

ACCESS