Washington Permanente Medical Group

Seattle – September 30, 2026 -- Washington Permanente Medical Group (WPMG) has named Taejoon Ahn, MD, MPH, as its new CEO and executive medical director, placing him at the head of an organization that oversees more than 1,200 clinicians serving over 550,000 Kaiser Permanente members across Washington state.

Ahn succeeds interim leader Dorian Reid, who held the role since September 2025

Dr. Ahn takes over an independent, physician-owned medical group that works exclusively with Kaiser Permanente to deliver care in the region. The leadership transition closes a one-year interim period under Dorian Reid, MD.