Directory of Physicians (MD/DO)
- William Rakauskas, MD
- William Rea, MD
- William Reading, MD
- William Reamy, MD
- William Reed, MD
- William Regenold, MD
- William Rehg, MD
- William Reichman, MD
- William Reiner, MD
- William Resch, MD
- William Resnick, MD
- William Rheuban, MD
- William Rhodes, MD
- William Riccardelli, MD
- William Richardson, MD
- William Richardson, MD
- William Richie, MD
- William Rinck, MD
- William Roccaforte, MD
- William Roddy, MD
- William Rodriguez Cartagena, MD
- William Rogers, MD
- William Rohn, MD
- William Roman, MD
- William Rosenfeld, MD
- William Rosenthal, MD
- William Rothschild, MD
- William Rowane, MD
- William Rumbaugh, MD
- William Rush, MD
- William Ruzicka, MD
- William Ruzicka, MD
- William Ryan, MD
- William Ryan, MD
- William Sack, MD
- William Salazar, MD
- William Salmon, MD
- William Salmon, MD
- William Samuels, MD
- William Sandborn, MD
- William Santoro, MD
- William Sastry, MD
- William Sauve, MD
- William Savanin, MD
- William Schaffer, MD
- William Scheftner, MD
- William Scheidler, MD
- William Schlesinger, MD
- William Schleyer, MD
- William Schneider, MD