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 04/05/2026 Excellent. 04/01/2026 Excellent 01/05/2026 Very satisfied with the attention I was given. 12/16/2025 Dr. Yoon has wonderful beside manner. He's disarmingly funny while explaining everything in detail leaving no question unasked. Show More