Directory of Physicians (MD/DO)
- John Rossi, MD
- John Roth, MD
- John Rotondo, MD
- John Rowe, MD
- John Rozehnal, MD
- John Rubin, MD
- John Rubush, MD
- John Rud, MD
- John Ruffin, MD
- John Rush, MD
- John Rushton, MD
- John Ruskey, MD
- John Russ, MD
- John Russell, MD
- John Russo, MD
- John Rutkowski, MD
- John Ryan Bingham, MD
- John-Ryan Mcannally, MD
- John Saad, MD
- John Sacra, MD
- John Safranek, MD
- John Sakles, MD
- John Salinas, MD
- John Salley, MD
- John Salmon, MD
- John Salvaggio, MD
- John Sampson, MD
- John Sandberg, MD
- John Sanders, MD
- John Sandifer, MD
- John Sangl, MD
- John Santamaria, MD
- John Santillo, MD
- John Santmann, MD
- John Santoro, MD
- John Santoro, MD
- John Sarwark, MD
- John Sasinouski, MD
- John Sasser, MD
- John Saucier, MD
- John Sawyer, MD
- John Scarfo, MD
- John Schaefer, MD
- John Schlabach, MD
- John Schleicher, MD
- John Schlesser, MD
- John Schlund, MD
- John Schmeitzel, MD
- John Schmid, MD
- John Schnabel, MD