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Erin B. Fennern, MD


Doctor of Medicine

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.


Accepting new patients
No Referral Required

Conditions & Treatments

  • Abscesses And Fistulas
  • Benign And Malignant Anorectal Conditions
  • Colon And Rectal Surgery
  • Colon Resection Surgery
  • Colostomy
  • Condyloma
  • Constipation
  • Diagnosis And Management Of Colon And Rectal Cancer
  • Disorders Of Continence
  • Diverticular Disease
  • Fissure
  • Hemorrhoid Banding
  • Hemorrhoids
  • Ileostomy
  • Inflammatory Bowel Disease (IBD)
  • Minimally Invasive Surgeries - Laparoscopic
  • Perianal/Perirectal Abscess
  • Pilonidal Cyst
  • Ulcerative Colits
  • Umbilical Hernia

Facilities & Clinics

    • Address
      100 E Idaho St Suite 316 Boise, ID 83712
      Mon - Thu: 8:30 a.m. - 5 p.m.
      Fri: 8:30 a.m. - 12 p.m.
    • Phone
      (208) 381-9350
      (208) 381-9351

    • Address
      125 E Idaho St Suite 303 Boise, ID 83712
      Mon - Thu: 8:30 a.m. - 5 p.m.
      Fri: 8:30 a.m. - 12 p.m.
    • Phone
      (208) 381-9350
      (208) 381-9351

About Erin B. Fennern


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.

  • Medical School

    Oregon Health Sciences University School of Medicine
  • Residency

    Icahn School of Medicine at Mount Sinai
  • Fellowship

    University Hospitals at Case Medical Center
  • Gender

  • Languages Spoken