Directory of Physicians (MD/DO)
- John Shannon, MD
- John Sharpe, MD
- John Shaughnessy, MD
- John Shaver, MD
- John Shaw, MD
- John Shaw, MD
- John Shaw, MD
- John Shellito, MD
- John Shenk, MD
- John Sheppard, MD
- John Sherck, MD
- John Shillinglaw, MD
- John Shook, MD
- John Shuss, MD
- John Siegel, MD
- John Silvey, MD
- John Simon, MD
- John Simpson, MD
- John Sincavage, MD
- John Sisley, MD
- John Skibber, MD
- John Skillings, MD
- John Skillman, MD
- John Smear, MD
- John Smiley, MD
- John Smith, MD
- John Smith, MD
- John Smithson, MD
- John Snoddy, MD
- John Snyder, MD
- John Solomon, MD
- John Sonfield, MD
- John Sousa, MD
- John Souza, MD
- John Speck, MD
- John Sperling, MD
- John Spore, MD
- John Stackow, MD
- John Stair, MD
- John Stanley, MD
- John Stauffer, MD
- John Steele, MD
- John Steers, MD
- John Stein, MD
- John Stengle, MD
- John Sterchi, MD
- John Sternquist, MD
- John Stevenson, MD
- John Stewart, MD
- John Stewart, MD