
Jonathan P. Knowles, MD
Jonathan P. Knowles, MD
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About Jonathan P. Knowles, MD
Dr Jonathan Knowles is a surgical associate/advanced clinical fellow in Colorectal Surgery. He completed his medical training at University College London in 2000 and then trained in general and colorectal surgery. Since 2013 he worked as a colorectal surgeon at the Royal Free Hospital in London.
Dr Knowles has expertise in minimally invasive and open colorectal surgical procedures as well as in anorectal operations. This includes a wide spectrum of colorectal conditions including inflammatory bowel disease, colon and rectal cancer, diverticular disease and anorectal disorders.
Dr Knowles completed a Masters in Surgical Science and is a Fellow of the Royal College of Surgeons (2012).
At New York-Presbyterian/Columbia University, Dr Knowles works collaboratively with Dr Pokala Ravi Kiran obtaining additional exposure to complex and reoperative colorectal surgery.
Expertise
- Anal Cancer
- Anal Fissures
- Anal Fistula
- Colon Cancer
- Constipation
- Diverticulitis
- Hemorrhoids
- Inflammatory Bowel Disease (IBD)
- Pelvic Floor Disorders
- Rectal Cancer
- Rectal Prolapse
Education
- Medical School: University College London
- Residency: St. George's University Hospital
- Fellowship: Peter MacCallum Cancer Centre
- Fellowship: Health Education England
Hospital Affiliations
- NewYork-Presbyterian / Columbia University Irving Medical Center