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St. Luke's Clinic – Colon and Rectal Surgery: Boise, 100 E Idaho St

We’re dedicated to providing advanced care for acute and chronic health conditions of the colon, rectum, and anus, and specialize in colon and rectal surgery. Our services include advanced laparoscopic/minimally invasive surgery and diagnosis and management of colon and rectal cancer, as well as treatment for conditions such as diverticular disease, hemorrhoids, abscesses and fistulas, continence disorders, and other benign and malignant anorectal conditions.


  • Colon and Rectal Surgery


    Erin Fennern, MD specializes in the diagnosis and treatment of both benign and malignant diseases of the colon, rectum, and anus, including cancer, inflammatory bowel disease, pelvic floor disorders, diverticulitis, and benign anorectal disease. She has a particular interest in caring for underserved or marginalized patient populations. Her aim is to provide compassionate and evidence-based care to patients, with the goal of optimizing both the length and quality of their lives.


    Accepting new patients
  • Availability

    Accepting new patients
    • St. Luke's Health Partner
      St. Luke's Health Partner

      These providers work together to achieve patient-centered care, using proven best practices to offer better care to you and your family.


  • Anal Cancer

    Anal cancer is the abnormal growth of cells in the anus, which is the opening at the end of the rectum.

  • Colon Cancer

    Abnormal cells in your colon or rectum can grow together and form polyps. Over time, some polyps can turn into cancer.