Colorectal Surgery
Our board-certified Colorectal Surgeon specializes in the treatment of conditions affecting the colon, rectum, and anus.

Advanced Colorectal Surgery
Our Colorectal Surgeon specializes in the treatment of conditions affecting the colon, rectum, and anus. From common issues like hemorrhoids and diverticulitis to more complex conditions such as colorectal cancer, Crohn’s disease, and ulcerative colitis, our skilled surgeon provides personalized care tailored to your needs, ensuring the best possible outcomes. Whether you need surgery for a routine condition or a more complex procedure, our team is here to support you every step of the way.
Our Services
- Colon, Rectal, and Anal Cancer Surgery: Our expert surgical team provides advanced treatment for cancers of the colon, rectum, and anus, including rare lower gastrointestinal tract cancers such as neuroendocrine tumors, sarcomas, and melanomas.
- Surgery for Inflammatory Bowel Disease: We offer cutting-edge surgical options for patients with inflammatory bowel diseases, including Crohn’s disease, ulcerative colitis, and indeterminate colitis, tailored to each patient’s needs.
- Surgery for Non-Cancerous Colon and Rectal Conditions: Our team specializes in treating a wide range of non-cancerous colon and rectal issues, providing personalized care to address each condition effectively.
- Comprehensive Care for Anorectal Disorders: We offer thorough treatment for anorectal conditions, including hemorrhoids, anal fissures, anal fistulas, and infections affecting the anus and rectum.
- Treatment for Pelvic Floor Disorders: Our team provides specialized care for patients with pelvic floor conditions, such as anal sphincter injuries, rectovaginal fistulas, and rectal prolapse, using the latest techniques for optimal outcomes.
Our Provider

Alexandra Columbus MD, MPH
Colorectal Surgery, General Surgery Accepting new patients
Our Locations
Emerson Health Surgery
131 Old Road to Nine Acre Corner
Suite 500
Concord, MA 01742