Directory of Physicians (MD/DO)
- John Rajkumar, MD
- John Rampulla, MD
- John Rand, MD
- John Randolph, MD
- John Rankin, MD
- John Ray, MD
- John Ray, MD
- John Rayburn, MD
- John Rayfield, MD
- John Reed, MD
- John Reed, MD
- John Reese, MD
- John Reeves, MD
- John Reeves, MD
- John Reid, MD
- John Reilly, MD
- John Reilly, MD
- John Renkas, MD
- John Reuwer, MD
- John Reynolds, MD
- John Riccio, MD
- John Rice, MD
- John Richards, MD
- John Ricks, MD
- John Riddle, MD
- John Riedel, MD
- John Riel, MD
- John Riester, MD
- John Riggins, MD
- John Ringquist, MD
- John Rinke, MD
- John Riordan, MD
- John Ritter, MD
- John Robinson, MD
- John Robinson, MD
- John Robinson, MD
- John Robshaw, MD
- John Rockwell, MD
- John Rogers, MD
- John Rogers, MD
- John Rogers, MD
- John Rogowski, MD
- John Rohde, MD
- John Rohe, MD
- John Roland, MD
- John Rose, MD
- John Rosebush, MD
- John Rosell, MD
- John Rosenberg, MD
- John Rosevear, MD