Alexandra Columbus


Cancer Services, General Surgery, Colorectal Surgery
Alexandra Columbus, MD, MPH
accepting new patients
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Walden Surgical Associates
John Cuming Building 131 Old Road to Nine Acre Corner Suite 500 Concord MA 01742
Board Certifications
General Surgery, Colorectal Surgery
Clinical Interests
  • Anorectal disease (including hemorrhoids, perianal abscess and fistulae, fissure, and pilonidal disease)
  • Colon cancer
  • Rectal cancer (transabdominal and transanal approaches)
  • Diverticular disease
  • Inflammatory bowel disease (Crohn's disease and ulcerative colitis)
  • Pelvic floor dysfunction (outlet dysfunction, fecal incontinence, pelvic floor prolapse)
  • Medical School:
    Jefferson Medical College of Thomas Jefferson University, Philadelphia, Penn.
  • Internship:
    Brigham and Women's Hospital (General Surgery)
  • Residency:
    Brigham and Women's Hospital (General Surgery)
  • Fellowship:
    Lahey Clinic (Colorectal Surgery)


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