Jump to main content

Mark James Kiely, MD

  • Colon & Rectal Surgery

Mark James Kiely, MD

Dr. Kiely is an Assistant Professor of Surgery at Columbia University Medical Center and sees patients at the NewYork-Presbyterian/Columbia University Medical Center Main Campus site located in Washington Heights as well as at the Division's ColumbiaDoctors Scarsdale, Bronxville and Tarrytown locations in Westchester.

Having completed a Clinical Fellowship in Colon and Rectal Surgery at the Cleveland Clinic, Ohio in 2011, Dr Kiely was in an academic Colon and Rectal Surgery practice in Baystate Medical Center, Massachusetts for over five years before being recruited to Columbia. Dr. Kiely completed General Surgery Residency training at the Medical College of Wisconsin in 2010.

Dr. Kiely has a vast clinical experience in stranghtforward and complex colorectal conditions and he offers expertise in the surgical management of anorectal conditions, colon and rectal cancer, diverticulitis, inflammatory bowel disease, pelvic floor disorders, constipation and fecal incontinence. His specific clinical interests include robotic rectal cancer surgery, Crohn’s/inflammatory bowel disease, sphincter sparing anal fistula surgery (LIFT) procedure and abdominopelvic reoperative surgery. He has a keen interest in research and is an author on numerous publications in peer-reviewed journals, published abstracts, oral presentations and book chapters.

In addition to focusing on clinical research, outcomes and education within the division of colorectal surgery, Dr Kiely will lead the incorporation of trans-anal procedures (Ta-TME) for the management of a variety of colorectal conditions at NewYork-Presbyterian/Columbia University Medical Center. He will also be the lead surgeon for the development of the Colorectal Program for NewYork-Presbyterian/Lawrence Hospital in Bronxville, NY offering the robotic approach to surgery for benign and malignant colorectal conditions as well as pelvic floor disorders.

Originally from Ireland, Dr. Kiely graduated from medical school at the University of Dublin, Trinity College in 1999. After receiving an Associate Fellowship Degree from the Royal College of Surgeons in Ireland in 2002, he then completed research at the Medical College of Wisconsin from 2002 to 2005 and finished a thesis on leptin, obesity and intestinal function in 2006 obtaining a post-graduate degree (MD) from his alma mater, Trinity College Dublin.


Board Certification
  • General Surgery
  • Colon & Rectal Surgery
  • Cleveland Clinic Foundation
  • Medical College of Wisconsin Affiliated Hospitals
  • Medical College of Wisconsin Affiliated Hospitals
  • Adelaide & Meath Hospital, Dublin
Medical/Graduate School
  • University of Dublin, Trinity College
Area of Interest
  • Pelvic Organ Prolapse
  • Laparoscopic Cholecystectomy
  • Laparoscopic Colectomy
  • Hemorrhoids
  • Cancer Surgery
  • Colon Cancer
  • Diverticulitis
  • Laparoscopic Colon Resection
  • Colitis
  • Gastrointestinal Cancer
  • Rectal Disorders
  • Laparoscopic Abdominal Surgery
  • Crohn's Disease
  • Surgery
  • Rectal Surgery
  • Cancer
  • Inflammatory Bowel Diseases (IBD)
  • Botulinum Toxin (BOTOX Injection)
  • Colonoscopy
  • Advanced Laparoscopic Surgery
  • Laparoscopic Colon Surgery
  • Colon Surgery
  • Pelvic Floor Dysfunction (PFD)
  • Constipation
  • Laparoscopic GI Surgery
  • Rectal Cancer
  • Rectal Bleeding
  • Anal Fissures
  • Pelvic Reconstruction
  • Minimally Invasive Techniques
  • Colon/Rectal Cancer Surgery
  • Gastrointestinal Oncology
  • Pelvic Floor Disorder
  • Rectal Prolapse
  • Biofeedback Therapy
  • Intestinal Obstruction
  • Anorectal Surgical Procedures
  • Colorectal Cancer Screening
  • Second Opinion
  • Anal Cancer
  • Pelvic Floor Surgery
  • Robotic Surgery
  • Colonitis
  • Anal Warts
  • Colon Cancer Prevention/Screening
  • Colorectal Cancer
  • Polypectomy
  • Sphincter Saving Operations
  • Colon Polyps
  • Colon Resection
  • Fecal Incontinence
  • Genital Warts
  • Polyps
  • Sigmoidoscopy
  • Minimally Invasive Surgery
  • Sphincter Sparing Surgery
  • Ulcerative Colitis
  • Rectal Carcinoma
  • Clinical Research
  • Colectomies
  • Colon & Rectal Disease
  • Bowel Surgery
  • Intestinal Surgery
  • Laparoscopic Gallbladder Surgery
  • HIV Related Diseases
  • Adhesions
  • Gastrointestinal Bleeding
  • Pelvic Mass
  • Rectocele
  • da Vinci Robotic Surgery
  • Colorectal Surgery
  • Botox Treatment
  • Bowel Disease
  • Colorectal Cancer
  • Transanal Endoscopic Microsurgery
  • Min Invasive Colorectal Surgery
  • Pelvic Floor-Muscle Rehab
  • Small Bowel Disease
  • Gastrointestinal Tumors
  • Colon & Rectal Surgery
  • Robotic Surgery-Colorectal Surgery
  • Robotic Colon Resection
  • Resident Education
  • Hemorrhoid Surgery
  • Small Bowel Surgery
  • Fistula Repair
  • Ileostomy
  • Anorectal Dysfunction
  • Diverticular Disease/Diverticulosis
  • Anal Motility Disorders
  • Female Pelvic Organ Prolapse
  • Gastrointestinal Malignancies
  • Colon Cancer Screening
  • Abscess Drainage
  • Digestive Problems
  • Bowel Problems
  • Minimally Invasive Rectal Surgery
  • Anal Fistula
  • Bowel Incontinence
  • Intussusception
  • Small Bowel Tumors
  • Colorectal Resection
  • Pilonidal Cyst/Abscess
  • Rectovaginal Fistula
  • Small Bowel Resection
  • Laparoscopic Proctectomy
  • Twisted Colon/Intestine
  • Megacolon
  • J Pouch
  • Ostomy Reversals