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Gyeongseok Choi

Dr. Gyeongseok Choi is a Board-Certified Gastroenterology Subspecialist and Endoscopy Subspecialist at Gangnam Heartscan Healthcare Center, and former Clinical Research Assistant Professor at Severance Hospital.

Gangnam Heartscan Healthcare Center · Specialist Physician Profile · Gangnam-gu, Seoul

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Gyeongseok Choi

Clinical Role & Specialty

  • Specialty: Gastroenterology & Gastrointestinal Endoscopy

Education & Professional Background

  • Board-Certified Subspecialist in Gastroenterology
  • Certified Subspecialist in Gastrointestinal Endoscopy
  • Former Clinical Instructor & Clinical Research Assistant Professor, Division of Gastroenterology, Severance Hospital (Sinchon)

Areas of Focus

  • High-definition diagnostic upper endoscopy and colonoscopy
  • Digestive health screening and endoscopic evaluation
  • Gastrointestinal disease diagnosis and preventive care
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1:1 Specialist Consultation & Multidisciplinary Screening Standard

All diagnostic screenings, imaging protocols, and sedated endoscopy examinations at Gangnam Heartscan Healthcare Center (B1, Dongil Tower, 38 Teheran-ro 114-gil, Gangnam-gu, Seoul; Samseong Station Exit 2) are performed and interpreted by our 30+ board-certified specialists led by Chief Director Dr. Seonghak Park, MD, PhD. Preparation requirements (such as 8–12 hour fasting, contrast media precautions, or post-sedation driving restrictions) vary by clinical condition and medication history.

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Gangnam Heartscan Healthcare CenterGangnam Heartscan Healthcare Center

Gangnam Heartscan Healthcare Center

Founded in 1999 in Gangnam, Seoul — Korea's pioneer in non-invasive Coronary Calcium Score CT and university-grade executive health screening with 30+ board-certified specialists.

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SPECIALIZED CENTERS

Breast, Thyroid ScreeningFull-Body Imaging & Diagnostic ScreeningDigestive Health Screening & GastroenterologyCardiac Health Screening & Cardiology (Heartscan)

LOCATION & OPERATING HOURS

B1, Dongil Tower, 38 Teheran-ro 114-gil, Gangnam-gu, Seoul, Republic of Korea (06176)

Subway: Samseong Station (Line 2), Exit 2 — 8-min walk

Mon – Fri

07:30 – 16:30

Saturday

07:30 – 13:00

Sun & Holidays

Closed

Mon–Fri 07:30–16:30 | Sat 07:30–13:00 | Closed Sun & Holidays · International Checkup Concierge

Gangnam Heartscan Healthcare Center | Chief Director: Dr. Seonghak Park, MD, PhD | B1, Dongil Tower, 38 Teheran-ro 114-gil, Gangnam-gu, Seoul | © 2026 Gangnam Heartscan Healthcare Center. All rights reserved.

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