Doctor Yoko,

Dedicated Care,

Real Results in

Weight Loss Surgery.

Introducing Dr. Yoko, a renowned surgeon specializing in endoscopic procedures, particularly in gastric bypass surgery to address obesity and associated conditions such as diabetes, hypertension, hyperlipidemia, and Polycystic Ovary Syndrome (PCOS).

Unlocking a healthier future with

Dr. Yoko's expert care and precision.

Doctor Yoko, is a surgeon specializing in endoscopic procedures, particularly gastric surgery, including gastric reduction surgery to treat obesity and various associated diseases.

Ready for a Transformation?

The Joy

Rediscover your vitality and let your new journey begin today. Step towards a brighter future where health and happiness thrive.


Feel liberated from limitations and enjoy improved health. Celebrate your journey, inspiring others with your renewed vitality.


Whether you're considering joining us or already part of our family, we're dedicated to supporting you at every step of your health journey.

Our service

Laparoscopic Sleeve Gastrectomy

The surgery involves removing approximately 80% of the outer stomach, which helps reduce food intake.

What's more, by removing the top portion of the stomach (Fundus), which produces the hunger hormone Ghrelin, your appetite decreases after surgery. This results in less food consumption and reduced hunger compared to before the procedure.

Weight Loss Surgery with Doctor Yoko


Experience weight loss sugery with 3 small incision wounds and precise internal stitching.


With over 2,500 cases of experience, Doctor Yoko ensures top-tier treatment.


Familarise yourself with our comprehensive care and tailored guidance, from consultation to recovery, throughout your journey.


Here for you, providing support and guidance whenever you need it.

Bariatric surgeon

Doctor Khwannara Ketwong

(Doctor Yoko)

  • Doctor of Medicine: 2004-2010, Faculty of Medicine, Chiang Mai University
  • Diploma in General Surgery: 2011-2015, Faculty of Medicine, Chiang Mai University.
  • Specialization in minimally invasive laparoscopic surgery: 2016-2018, Police General Hospital, Bangkok, Thailand.
  • Certificate of Fellowship program in Division of Colorectal Surgery, Department of Surgery in The Catholic University of Korea Seoul St.Mary's Hospital, Seoul, Republic of Korea
  • Certificate of the Laparoscopic and Robotic Simulator Intermediate Course Program in the Minimal Access and Robot Surgery Center in The Catholic University of Korea Seoul St.Mary's Hospital, Seoul, Republic of Korea
  • Observership program in Endocrine Surgery and Bariatric and Metabolic Surgery in Mount Sinai Hospital, New York, United States of America
  • Certificate of Bariatric and Metabolic Surgery, Body Science and Metabolic Disorders International (BMI) Medical Center, China Medical University Hospital, Taichung, Taiwan
Weight loss surgery, also known as bariatric surgery, is a procedure aimed at reducing the size of the stomach, thereby limiting food intake and facilitating weight loss.
There are several common questions and misconceptions surrounding stomach surgery for obesity often raised by patients or the general public.


Result of our sample patients


Telephone: +6690-199-8663

Open hours

Open hours : 9.00 AM - 4.00 PM

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