Directory of Physicians (MD/DO)
- John Selling, MD
- John Serini, MD
- John Shallcross, MD
- John Sharp, MD
- John Shea, MD
- John Sheehan, MD
- John Shekleton, MD
- John Siegfried, MD
- John Smiarowski, MD
- John Smith, MD
- John Soriano, MD
- John Sotiriadis, MD
- John Southerland, MD
- John Spivey, MD
- John Stagias, MD
- John Stephens, MD
- John Stone, MD
- John Stroehlein, MD
- John Sturgeon, MD
- John Sullivan, MD
- John Sun, MD
- John Sun, MD
- John Swan, MD
- John Sweeney, MD
- John Tang, MD
- John Tasiopoulos, MD
- John Taus, MD
- John Thesing, MD
- John Thompson, MD
- John Trillo, MD
- John Tsai, MD
- John Tully, MD
- John Tune, MD
- John Tures, MD
- John Tzagournis, MD
- John Vainder, MD
- John Valentine, MD
- John Vargo, MD
- John Venetos, MD
- John Vierling, MD
- John Vizuete, MD
- John Walker, MD
- John Walker, MD
- John Walker, MD
- John Walling, MD
- John Walsh, MD
- John Ward, MD
- John Ward, MD
- John Watson, MD
- John Webb, MD