Dr. Wontak Choi, Founder & Chief Doctor
Yaan Clinic · Gangnam, Seoul
Dr. Wontak Choi is the founder and chief doctor of Yaan Clinic in Gangnam, Seoul, specialized in petit treatments and body contouring. Dr. Choi holds a Master of Science from Seoul National University College of Medicine, is a Visiting Professor at Hanyang University College of Medicine, and is a Key Doctor for MERZ, maker of Xeomin.
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Dr. Wontak Choi
Founder & Chief Doctor
Yaan Clinic · Samseong-dong, Gangnam, Seoul
Dr. Wontak Choi is the founder and chief doctor of Yaan Clinic, an aesthetic clinic in Samseong-dong, Gangnam, Seoul. At Yaan Clinic in Gangnam, Seoul, Dr. Choi's stated specialty is petit treatments and body contouring, and the clinic's philosophy of dedicated doctors and genuine products at the correct dosage traces back to its founder.
At a glance
| Role | Founder Chief Doctor, Yaan Clinic |
|---|---|
| Focus as listed | Petit treatments, body contouring |
| Education | Master of Science, College of Medicine, Seoul National University |
| Academic role | Visiting Professor, Hanyang University College of Medicine |
| Industry role | Key Doctor, MERZ (Xeomin) |
In Dr. Choi's words: "I aim for the safety and happiness of my customers."
What does Dr. Wontak Choi specialize in?
Yaan Clinic lists Dr. Wontak Choi as specialized in petit treatments and body contouring. Petit treatments are minimally invasive injectables such as fillers, botulinum toxin and collagen stimulators.
You can explore these areas in the filler guide, the botox guide, the non-surgical facial contouring page and, for the body, fat-dissolving injections and calf reduction.
What are Dr. Wontak Choi's credentials?
The credentials below are reproduced as Yaan Clinic lists them on its medical staff page.
- Current YAAN CLINIC's Founder Chief Doctor
- Specialized in Petit, Body contouring
- Master of Science, College of Medicine, Seoul National University
- Member, Korean Society for Aesthetic and Cosmetic Laser Surgery
- Doctor Responding to FAQ in Collaboration with Naver
- Visiting Professor at Hanyang University College of Medicine
- Chief Doctor of Ivy Plastic Surgery Clinic
- Chief Doctor of LienJang Plastic Surgery Clinic
- Chief Doctor of Envy Clinic
- Chief Doctor of Diete Skin, Obesity Clinic
- Director of the Petite Surgery Research Association
- Academic Director of the Korean LaserSkin & Hair Society
- Key Doctor at Germany MERZ (Manufacturer of LAYER and Xeomin)
- Training Instructor for Daewoong DNC Filler
- Training Instructor for JW Pharmaceutical Filler
- Training Instructor for Amorepacific Pharmaceutical Filler
What do the industry and teaching roles mean?
A manufacturer "Key Doctor" or training instructor is a physician a company invites to share technique with other doctors. Dr. Choi holds this role with MERZ and teaches filler technique for three Korean pharmaceutical companies.
These roles sit alongside Yaan Clinic's wider manufacturer statuses and its authenticity checks, described on genuine products and safety. See the rest of the team on our doctors page.
For international patients: You can request a consultation by WhatsApp or the international line on +82 10 5308 0499, or by email at yaan09@naver.com. Interpreters in English and Chinese are available. See how to book an appointment at Yaan Clinic.
Frequently asked questions
Who founded Yaan Clinic?
Yaan Clinic was founded by Dr. Wontak Choi, who is listed as the clinic's current founder chief doctor. Yaan Clinic has operated in Samseong-dong, Gangnam, Seoul since 2011.
Is Dr. Wontak Choi a dermatologist?
No. Yaan Clinic does not list Dr. Wontak Choi as a dermatologist. Dr. Choi is a physician specialized in petit treatments and body contouring, with a Master of Science from Seoul National University College of Medicine.
Can I request Dr. Wontak Choi for my treatment?
You can ask for Dr. Choi when you book through the international line or WhatsApp on +82 10 5308 0499, or by email at yaan09@naver.com. Yaan Clinic will confirm availability for your treatment and travel dates.
Related pages
Book a consultation at Yaan Clinic
WhatsApp / international line: +82 10 5308 0499 · KakaoTalk · Email: yaan09@naver.com
English & Chinese interpreters · Same prices as local patients · How to book
About this information: Prepared from Yaan Clinic's published treatment information. Treatments at Yaan Clinic are performed by licensed physicians — meet our doctors. Last updated: October 2026. This page is general information, not a substitute for an in-person medical consultation; suitability, dosage and results are confirmed by your doctor.

