J. Ryan Williams, MD
Affiliated Physician Member of Bayfront Health St. Petersburg Medical Group

J. Ryan Williams, MD - Colon & Rectal Surgery

Bayfront Health Medical Group Colorectal Surgery

Address: 625 6th Avenue, South
Suite 430
St. Petersburg, FL 33701

Call: (727) 893-6363

Fax: (727) 893-6364


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J. Ryan Williams, MD, is a board-certified colon and rectal surgeon with Bayfront Health St. Petersburg Medical Group Colorectal Surgery. His expertise is in the specialized care of colon and rectal conditions with a focus on cancers of the colon, rectum, anus, and pelvic region. Additional areas of excellence include inflammatory bowel disease and pelvic floor disorders. He is certified as a console surgeon on da Vinci® Robotic Surgical Systems.

Treatment of Colon and Rectal Conditions

He has been certified as a console surgeon on da Vinci® Robotic Surgical System and performs complex laparoscopic and minimally invasive surgery including transanal minimally invasive surgery (TAMIS) and endoscopic submucosal dissection (ESD) for some colon and rectal polyps. Conditions Dr. Williams treats include but are not limited to:


  • Anal cancer
  • Anal dysplasia/HPV
  • Appendiceal cancers
  • Colon cancer
  • Colon polyps
  • Genetic colorectal cancers
  • Neuroendocrine tumors
  • Pelvic masses/tumors
  • Rectal cancer
  • Rectal polyps
  • Small bowel cancer

Benign diseases:

  • Anal fissures
  • Anal fistulas
  • Anal and rectal pain
  • Colon polyps
  • Chronic constipation
  • Diverticulitis
  • Fecal incontinence
  • Hemorrhoids
  • Pelvic pain
  • Rectal infections/STDs
  • Rectal prolapse
  • Stomas and stomal complications

Dr. Williams’s Training

After earning his medical degree from the University of Louisville, School of Medicine in Kentucky, Dr. Williams completed his postdoctoral training at the University of South Florida (USF) as a general surgery resident and colon and rectal surgery fellow. While at USF, he also spent time as a research fellow focusing on simulation and surgical education. He maintains his research endeavors, currently focusing on colorectal cancer, the human gut microbiome, and pelvic floor disorders.

About Dr. Williams

In addition to certification by the American Board of Surgery and American Board of Colon and Rectal Surgery, Dr. Williams is an active member of the American Society of Colon and Rectal Surgeons, Society of American Gastrointestinal and Endoscopic Surgeons, and American College of Surgeons, where he serves on multiple committees nationally.

Recently, he was listed in Tampa Magazine as one of the area's Top Doctors for Colon and Rectal Surgery.

Academic Information

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Medical Education

University of Louisville School of Medicine


University of South Florida Morsani College of Medicine


University of South Florida Morsani College of Medicine


University of South Florida Morsani College of Medicine


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