Meet our doctor

 Director Toshiya Yokoyama, M.D.

We can offer services equal to, or better than, those at uniersity hospitals. If you have any problems, please don’t hesitate to come for consultation. I will be happy to assist you.


Personal History

1965       Born in Kanazawa, Ishikawa Prefecture.

1991       Graduated from University of Occupational and Environmental Health

1998      Completed graduate studies at Showa University, began work at university-affiliated hospital.

2006-2007     Work at Hopital Saint-Louis, Paris. Researched microsurgery at Paris Diderot University(Paris 7)

2008      Director and Lecturer, Showa University Hospital Plastic Surgery

2012       Director of plastic-and cosmetic-surgery clinic in Tokyo

Dec.2014    Opening of Ginza Sumire no Hana clinic

Jun 2016      Publication of his book,”Plastic Surgery is a Passiionate Surgery”



Certified by the Japan Society of Plastic and Reconstructive Surgery



Resistered anesthesiologist by Ministry of Health, Labour and Welfare

Licensed medical practice instructor for foreigners in English by Ministry of Health, Labour, and Welfare

Microsurgery Diploma,Paris Diderot University(Paris 7) Faculty of Medicine Surgery Institute

Certified surgeon and principal certified surgeon of breast reconstruction expanders implants, Japan Oncoplastic Breast Surgery Society


Affiliated Societies

ISAPS-International Society of Aesthetic Plastic Surgery(Member)

French Society of Aesthetic Surgery(Member)

JASAPS-Japan Society of Plastic and Reconstructive Surgery(Member, Certified)

Japan Society of Aesthetic Plastic Surgery(Member, Certified)

Japan Society for Surgical Wound Care(Member, Certified)

Japan Society of Aesthetic Surgery(Member)

Japanese Society for Reconstructive Microsurgery(Member)

Japanese Society for Wound Healing(Member)

Japan Oncoplastic Breast Surgery Society(Member)

Adjunct lecturer, University of Chiba

Adjunct lecturer, Showa University


YOKOYAMA, Toshiya. La microchirgie au Japon. In:GERMAIN,Michel A. La microchirurgie dans le monde. Paris:Editions Glyphe,2012,p.105-130.

Other books, articles, etc.can be found in the Ginza Sumire no Hana main webpage.


Adviser Yoshiaki Hosaka,M.D.


1971   Graduated from University of Chiba

1996   Chairperson of the Plastic Surgery Department, Showa University School of Medicine

2000  Visiting Scholar, Harvard University(Masschusetts General Hospital)

2004  Visitng Scholar, Dlian Medical University

2004 Visiting Scholar, University of Belgrade

2004 Professor Emeritus, Peking Union Medical College

2010 Professor Emeritus, Showa University

Presently at General Tokyo University, Tokyo Clinic Plastic Surgery,and Chief Surgeon at the Cosmetic Surgery Center

Former President of the Japan Society for Plastic and Reconstructive Surgery, President of the Japan Association of Aesthetic Medicine.

Corrective Surgery Team


Plastic Surgeon Shinsuke Takaki(part-time surgeon)




Kenji Toi(part-time)


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