Directory of Physicians (MD/DO)
- William Rivera Carrero, MD
- William Robar, MD
- William Robinson, MD
- William Rockwell, MD
- William Rodriguez, MD
- William Ross, MD
- William Rothstein, MD
- William Royster, MD
- William Ruffin, MD
- William Sage, MD
- William Salmons, MD
- William Sande, MD
- William Sanders, MD
- William Sanders, MD
- William Satterwhite, MD
- William Savage, MD
- William Schaefer, MD
- William Schenk, MD
- William Schneider, MD
- William Schreiner, MD
- William Schrock, MD
- William Schrock, MD
- William Schultz, MD
- William Schultz, MD
- William Schwartzman, MD
- William Scott, MD
- William Scott, MD
- William Searls, MD
- William Searls, MD
- William Secor, MD
- William Serratelli, MD
- William Serratelli, MD
- William Shipman, MD
- William Shuman, MD
- William Shyr, MD
- William Sieffert, MD
- William Siler, MD
- William Singer, MD
- William Sistrunk, MD
- William Slattery, MD
- William Slattery, MD
- William Smith, MD
- William Smith, MD
- William Smith, MD
- William Song, MD
- William Soto-Bartolome, MD
- William Speakman, MD
- William Spivey, MD
- William Srouji, MD
- William St. Marie, MD