Departments and specialties

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

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Doctors who treat this condition

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Displaying 1-4 out of 4 doctors available

  1. Robert R. Cima, M.D.

    Robert R. Cima, M.D.

    1. General Surgeon
    2. Colon and Rectal Surgeon
    1. Rochester, MN
    Areas of focus:

    Colonoscopy, Colorectal surgery, Rectal cancer surgery, Flexible sigmoidoscopy, Colectomy, Colostomy, Ileoanal anastomo...sis surgery, Colon cancer surgery, Coloanal anastomosis, Anorectal surgery, Laparoscopic surgery, Robotic ventral hernia repair, Ileostomy surgery, Transanal endoscopic microsurgery, Minimally invasive abdominal surgery, Colon cancer, Colonic dysmotility, Crohn's disease, Inflammatory bowel disease, Ulcerative colitis, Lynch syndrome, Hemorrhoids, Fistula, Colon polyps, Carcinoid tumor, Diverticulitis, Abscess, Anal fissure, Anal fistula, Familial adenomatous polyposis, Recurrent cancer, Polyposis syndromes, Anorectal disease

  2. Kellie L. Mathis, M.D.

    Kellie L. Mathis, M.D.

    1. General Surgeon
    2. Colon and Rectal Surgeon
    1. Rochester, MN
    Areas of focus:

    Colonoscopy, Robotic surgery, Colorectal surgery, Rectal cancer surgery, Flexible sigmoidoscopy, Colectomy, Rectal prol...apse surgery, Proctectomy, Intraoperative radiation therapy, Colostomy, Ileoanal anastomosis surgery, Colon cancer surgery, Coloanal anastomosis, Anorectal surgery, Laparoscopic surgery, Ileostomy surgery, Colon cancer, Polyp, Inflammatory bowel disease, Ulcerative colitis, Lynch syndrome, Hemorrhoids, Fistula, Pelvic floor defecatory dysfunction, Anal cancer, Colon polyps, Anorectal abnormality, Rectal cancer, Carcinoid tumor, Diverticulitis, Pouchitis, Abscess, Rectal prolapse, Anal fissure, Anal fistula, Constipation, Familial adenomatous polyposis, Vaginal fistula, Recurrent cancer, Pelvic floor dysfunction, Polyposis syndromes, Tubular colon adenoma

  3. Nicholas P. McKenna, M.D., M.S.

    Nicholas P. McKenna, M.D., M.S.

    1. Colon and Rectal Surgeon
    1. Rochester, MN
    Areas of focus:

    Colonoscopy, Robotic surgery, Colorectal surgery, Rectal cancer surgery, Colectomy, Proctectomy, Colostomy, Ileoanal an...astomosis surgery, Colon cancer surgery, Anorectal surgery, Laparoscopic surgery, Small bowel resection, Ileostomy surgery, Bowel resection, Hemorrhoidectomy, Hemorrhoidal banding, Colon cancer, Crohn's disease, Inflammatory bowel disease, Ulcerative colitis, Hemorrhoids, Anal cancer, Colon polyps, Rectal cancer, Diverticulitis, Anal fissure, Anal fistula, Familial adenomatous polyposis, Anal squamous cell carcinoma, Polyposis syndromes, Perianal abscess

  4. Lindsey M. Zhang, M.D.

    Lindsey M. Zhang, M.D.

    1. Colon and Rectal Surgeon
    1. Rochester, MN
    Areas of focus:

    Colonoscopy, Robotic surgery, Colorectal surgery, Rectal cancer surgery, Colectomy, Proctectomy, Colostomy, Colon cance...r surgery, Anorectal surgery, Laparoscopic surgery, Ileostomy surgery, Bowel resection, Hemorrhoidectomy, Hemorrhoidal banding, Colon cancer, Crohn's disease, Ulcerative colitis, Hemorrhoids, Anal cancer, Rectal cancer, Diverticulitis, Rectal prolapse, Anal fissure, Anal fistula, Fecal incontinence, Perianal abscess

Research

Mayo Clinic researchers continually study new diagnosis and treatment options for people with all types of gastrointestinal conditions, including hemorrhoids.

Publications

See a list of publications about hemorrhoids by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine.

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Aug. 23, 2025