Directory of Physicians (MD/DO)
- William Raaka, MD
- William Raich, MD
- William Ramsay, MD
- William Rand, MD
- William Raymond, MD
- William Read, MD
- William Reeves, MD
- William Reiff, MD
- William Reinhart, MD
- William Reynders, MD
- William Reynolds, MD
- William Rhoades, MD
- William Richardson, MD
- William Riggs, MD
- William Rimm, MD
- William Roberts, MD
- William Rodman, MD
- William Rosen, MD
- William Rosenberger, MD
- William Rosenthal, MD
- William Ross, MD
- William Rowlett, MD
- William Sams, MD
- William Sanfelippo, MD
- William Sass, MD
- William Sawyer, MD
- William Scales, MD
- William Schenk, MD
- William Schiff, MD
- William Schlichtemeier, MD
- William Schutten, MD
- William Schwartz, MD
- William Scott, MD
- William Seefeld, MD
- William Segal, MD
- William Senisi, MD
- William Shachtman, MD
- William Shannon, MD
- William Shaw, MD
- William Shields, MD
- William Shultz, MD
- William Sierra, MD
- William Smead, MD
- William Smiddy, MD
- William Smith, MD
- William Smith, MD
- William Smith, MD
- William Soscia, MD
- William Spencer, MD
- William Spitler, MD