Our Doctors

Primary Care

Full-time

Dr Nicola Yeboah

Dr Nicola Yeboah

MBBS (Medical Doctorate) London

The clinic’s managing partner, Dr Yeboah has practiced at our clinic for over 20 years following her medical training in the UK. Her areas of special interest are perimenopause and lifestyle medicine.

She studied medicine at the University of London (University College Hospital ), and underwent a general practice rotation including pediatrics, elderly medicine and emergency medicine. She has completed further training in Women’s Health including management of the perimenopause and menopause. Dr Yeboah is fluent in German.

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Thomas Lomax

Dr Thomas Lomax

MBBS (Medical Doctorate) London, BSc, DRCOG, MRCGP(UK)

A UK-trained GP and partner in the clinic, Dr Lomax has special interests in minor surgery and sports medicine, and has practiced at Tokyo Medical and Surgical clinic for over 15 years.

He graduated from London University (Royal Free Hospital) in 2000 and worked in Surgery and Emergency Medicine in St George’s Hospital, London, for five years. Subsequently trained in general practice, gaining experience in Psychiatry and a doctorate in Obstetrics and Gynaecology. Passed the MRCGP (Membership of the Royal College of General Practitioners) exam in 2008 and shortly after moved to Tokyo where he has practiced since.

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Ivor Cammack

Dr Ivor Cammack

MBChB (Medical Doctorate) New Zealand FRNZGP

A Kiwi-British GP and partner in the clinic, Dr Cammack has a specialist interests in sports medicine and injury management, and speaks fluent French.

He completed training in New Zealand and practiced injury and general medicine in a ski resort in Hokkaido for several years before moving to Tokyo in 2020. He has postgraduate qualifications in Pediatrics, Palliative care and Medical education. Ivor lived in France and speaks fluent French.

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Gautam Deshpande

Dr Gautam Deshpande

MA, MD, FACP

A native of New Jersey, Dr. Deshpande is a U.S.-trained and board certified internal medicine physician. A partner at the Clinic, he has special interests in undiagnosed illness, infectious disease, and autoimmune conditions.

After receiving a BA/MA in Human Biology and Anthropology from Stanford University, he completed his MD at Penn State University College of Medicine, followed by an internal medicine residency at UC-San Diego. He has practiced in Japan since 2009.

As well as his partnership at Tokyo Medical and Surgical Clinic, he maintains a Clinical Assistant Professorship at the University of Hawaii and is a Professor of General Medicine at Juntendo University.

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Nicholas Rennick

Dr Nicholas Rennick

MBBS (Medical Doctorate), FRACGP, Sydney Child Health Program

An Australian GP, Dr Rennick has a special interest in pediatrics, and management of chronic conditions such as hypertension, cholesterol and diabetes. He offers consultation in both English and Japanese.

He graduated from the University of Sydney Medical School in 2015, and then went on to complete specialist training in General Practice in Perth.

As a father of three young children, Dr Rennick particularly enjoys looking after children, and has completed the post-graduate Sydney Child Health Program. He is fluent in Japanese, and in addition to his partnership at Tokyo Medical and Surgical Clinic is active in teaching Japanese medical students.

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Part-time

Ryu Sasae

Dr Ryu Sasae

BMBS (Medical Doctorate), MRCGP, DRCOG, DFFP

A UK-trained GP, Dr Sasae is currently the director of the Department of International Healthcare at NTT Medical Center Tokyo. He offers consultation in English and Japanese.

He graduated from Nottingham University (UK) in 2005 and obtained his nMRCGP (Membership of the Royal College of General Practitioners) in 2010. Dr Sasae practiced as a GP in London until 2017.

Dr Sasae practices on Wednesdays and Saturdays

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Hiro Uematsu

Dr Hiro Uematsu

MD, AAFP

A US-board certified family physician, Dr Uematsu completed his family medicine residency in Illinois before returning to Japan. He also has an active role in teaching medical students and junior doctors.

Dr. Uematsu graduated from Aichi Medical University in 2006 and completed his family medicine residency at Southern Illinois University in 2014.

He is a licensed family physician in the U.S. (American Board of Family Medicine) and Japan with special interests in point-of-care ultrasonography. Currently, he practices in a community hospital and clinic and shares his expertise with medical students and residents.

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Gastroenterology

Shina Horiuchi

Dr Shina Horiuchi

MD, PhD

A gastroenterologist with extensive training and experience in Japan and the USA, Dr. Horiuchi has completed more than 20,000 endoscopies/colonoscopies throughout her career as a specialist.

With a PhD in Colon Cancer Studies and several years of research to draw upon, Dr. Horiuchi’s main interest is providing compassionate, state-of-the-art specialized care to local/international patients suffering from gastrointestinal cancer and IBDs such as ulcerative colitis.

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Cardiology

Yoshihito Sakata

Dr Yoshihito Sakata

MD, FSCAI, FACC

A US-board certified cardiologist, Dr Sakata completed medical school in Japan before finishing his residency and fellowship in the US. He currently works as Director of the Heart Center at Ikegami General Hospital in Tokyo.

Graduated from Hokkaido University School of Medicine, and completed postgraduate studies at Hokkaido University Graduate School of Medicine.

Residency (Medicine) : Thomas Jefferson University Hospital (PA, USA)

Fellowship (Cardiology) : University of Cincinnati Hospital (OH, USA)

Advanced Fellowship (International Cardiology) at The Lankenau Hospital (Thomas Jefferson University and The Evanston Hospital (Northwestern Hospital) (IL, USA)

US board certified in Internal Medicine, Cardiovascular Medicine and Interventional Cardiology.

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Dermatology

Takeshi Ouchi

Dr Takeshi Ouchi

MD, PhD

Graduated from Keio University in Japan, and completed a Post-doctoral fellowship in the US. As well as extensive experience in general dermatology, Dr Ouchi has a specialist interest in skin surgery.

Graduated from Keio University School of Medicine in Japan Post-doctoral fellowship in the U.S. (National Institutes of Health, Dermatology Department)

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Obstetrics and Gynecology

Kazunori Nagasaka

Dr Kazunori Nagasaka

MD, PhD

An obstetrician and gynecologist, Dr Nagasaka is currently chief professor and chairman of the department of obstetrics and gynecology at Teikyo University.

He graduated from Ehime University in 2000, and the University of Tokyo in 2008. Dr. Nagasaka has lived in Texas, USA, and worked in Italy as a researcher on HPV infections. He speaks English and a little Italian.

Dr. Nagasaka sees a wide range of gynecological problems as well as delivering routine obstetric care. He specialises in gynaecological oncology, perinatal medicine, general gynaecology, endometriosis treatment, reproductive medicine and infertility. Additionally, he is certified in laparoscopic and hysteroscopic surgery and robot-assisted surgery.

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Kaeko Sumiyoshi

Dr Kaeko Takahashi

MD

An obstetrician and gynecologist, Dr Takahashi trained at Miyazaki university in Kyushu for more than 10 years, and has also spent 2 years researching at the University of California.

She currently works at Sugiyama OBGYN in Setagaya, Tokyo.

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Orthopedics

Kazuhisa Takahashi

Dr Kazuhisa Takahashi

An orthopedic surgeon specializing in spinal conditions, Dr Takahashi graduated from Chiba University before researching at the Mayo Clinic in the US.

Dr Takahashi graduated from School of Medicine, Chiba University in 1976. He then studied orthopedic biomechanics at Mayo Clinic from 1980 through 1981 as a research fellow.

He was granted a Ph.D. degree in 1982 from Chiba University and was the Professor and Chairman of the Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University until March of 2016. His specialty is spinal orthopedics, with a particular interest in low back pain

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Hiroshi Iwaso

Dr Hiroshi Iwaso

An orthopedic surgeon specializing in knee and shoulder conditions, Dr Iwaso has extensive experience in sports trauma as a doctor for J-league soccer team and a Japanese American Football team.

Graduated from Tohoku University in 1986, Dr Iwaso has performed over 1300 shoulder joint surgeries and over 500 knee surgeries, with a focus on ACL reconstructive surgery.

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Ophthalmology

Dr Annabelle Okada

MD (USA), PhD (Japan)

A US board-certified ophthalmologist, Dr Okada graduated from Harvard Medical School and completed her residency in Boston. She is currently professor of Opthalmology at Kyorin University School of Medicine.

She graduated from Harvard College and Harvard Medical School, and completed her ophthalmology residency at the Massachusetts Eye and Ear Infirmary (Boston), uveitis fellowship at the Tokyo Medical University, and retina fellowship at Osaka University.

Dr. Okada is board-certified in ophthalmology in both the U.S. and Japan.

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Otorhinolaryngology (ENT)

Keitaro Nagano

Dr Keitaro Nagano

MD

An Ear, Nose and Throat specialist who works across the full spectrum of the specialty, Dr Nagano is able to offer treatment for both adults and children for a wide range of acute and chronic ear, nose and throat issues.

After graduating from Kyushu University with a degree in Dentistry, he specialized in Oral and Maxillofacial Surgery at Kumamoto University before obtaining his medical degree from Oita University. Currently, he also works at the Department of Otorhinolaryngology at Ageo Central General Hospital in Saitama.

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Urology

Shigeo Horie

Dr Shigeo Horie

MD

A urologist with extensive international experience, Dr Horie is the chairman of the Urology Department of the Juntendo University School of Medicine, and one of the leading robotic surgeons in Asia.

He graduated from the University of Tokyo in 1985 then did his research and clinical fellowship at the UT Southwestern medical center at Dallas. He was subsequently appointed to the faculties of the University of Tokyo, the National Cancer Center Hospital, and Kyorin University. In 2003, he became the chairman of the Department of Urology of Teikyo University.

He specializes in uro-oncology, urinary dysfunction, and men’s health, and has published more than 150 peer-reviewed papers.

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