- William Bowler, MD
- William Dernbach, MD
- William Fisher, PA
- William Holm, MD
- William Mason, MD
- William Moran, MD
- William Owen, MD
- William Schmelzer, Other Healthcare Professional
- William Seidl, PA
- William Wilfley, MD
- William Wilfley, MD
- Winston Ryan, MD
- Won Huh, MD
- Zachary Miller, PharmD/RPh
- Zaven Boornazian, MD
- Zjia Evans, MD
- Zurab Albekioni, MD