David K. Yoon, M.D.,F.A.C.G. Accepting New Patients Primary Specialty: Gastroenterology (Board Certified) Education Residency Internal Medicine George Washington UniversityWashington, DC1998 Fellowship Gastroenterology College of MedicineHouston, TX2001 Board Certification Gastroenterology American Board of Internal Medicine2003 Recertified American Board of Internal Medicine - Gastroenterology2013 Reviews 09/30/2025 Dr., you paid special attention to my current status, if I had any new concerns or symptoms, and what options I had for future testing. 09/30/2025 Good. 09/08/2025 Dr Youn was very pleasant and professional 08/27/2025 Very good advice Show More