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Andreas Kaiser, MD, Colon & Rectal Surgery, Duarte, CA, City of Hope's Helford Clinical Research Hospital

AndreasKaiserMDFACS FASCRS EBSQ Coloproctol

Colon & Rectal Surgery Duarte, CA

Professor and Chief, Division of Colorectal Surgery, City of Hope National Medical Center

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  • Office

    City of Hope National Medical Center (NCCN-Comprehensive Cancer Center)
    1500 E. Duarte Road, MALP 2230
    Duarte, CA 91010
    Phone+1 626-218-7100
    Fax+1 626-218-8113
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  • Andreas M Kaiser, MD FACS FASCRS, is Professor and Chief of the Division of Colorectal Surgery at City of Hope National Medical Center, a NCCN-designated Comprehensive Cancer Center. Prior, he was faculty at USC 2000-2019. He graduated in 1988 from the University of Zurich (Switzerland). After an internship in Surgical Pathology, he trained in General Surgery at the University Hospital of Zurich (1990-1998), incl. 2 years of research at Harvard Medical School/Beth Israel Hospital in Boston. He did a fellowship in Visceral Surgery in Zurich and in Colorectal Surgery at USC. Dr. Kaiser served as the Interim Chairman of the Department of Colorectal Surgery at USC (2008-2009). He is board-certified in General Surgery and in Visceral Surgery by the Swiss Board of Surgery FMH, and in Coloproctology by the European Surgery Qualification Board. He is a Fellow of the American College of Surgeons (FACS) and the American Society of Colon and Rectal Surgeons (FASCRS), a member of several professional associations/committees, incl. the NIH Advisory Board for the Pelvic Floor Dysfunction Network of the National Institutes of Health.

    He has extensive experience in the most complex colorectal diseases and serves as referral center for challenging pathologies beyond the scope of many other hospitals. Comprehensive/interdisciplinary management of malignant AND benign diseases are routine as are the newest technologies (e.g. robotic and laparoscopic surgery, TEMS, advanced colonoscopies, continent ileostomy (T-pouch), or sacral nerve stimulation and implants for fecal incontinence).

    Research focus is Colorectal Cancer, Inflammatory Bowel Disease, Diverticulitis, and Fecal Incontinence. Among numerous publications are his own book "McGraw-Hill Manual of Colorectal Surgery", the 2020 5th ed. of “Chassin’s Operative Strategy in Surgery”, the “SAGES Manual in Colorectal Surgery”. He is Editor-in-Chief of "Clin Exp Gastroenterol", and Assoc Editor of "DCR", the official ASCRS journal.
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Clinical Expertise

  • Diverticulitis, Ulcerative colitis, Crohn's disease, Colonoscopy, Colorectal cancer, Familial adenomatous polyposis, Rectal prolapse, Fecal incontinence, Hereditary nonpolyposis colon cancer, Colorectal adenocarcinoma, Lynch syndrome, Rectovaginal fistula, Enterocutaneous fistula, Colorectal polyps, Adenocarcinoma of the colon, Carcinoid tumor of the rectum, Total colectomy, Subtotal colectomy, Segmental colectomy, Proctocolectomy, Colostomy, Ileostomy, Transanal endoscopic microsurgery, Rectopexy, Sphincteroplasty, Hemorrhoidectomy, Hemorrhoidopexy, Sacral neuromodulation, Recto-urethral fistula, Recto-bladder neck fistula, Colon cancer, Robotic surgery, Colon surgery, Continent ileostomy, Ileoanal reservoir, Ileoanal anastomosis surgery, Anal sphincter reconstruction, Sphincter-sparing rectal surgery, Transanal surgery, Restorative proctocolectomy, Robotic colorectal surgery, Laparoscopic colectomy, Colonic polyps, Colectomy, Transanal minimally invasive surgery, Colonic disease, Intestinal perforation, Endorectal ultrasound, Colo-vesicular fistula, Surgical oncology (non-breast)

Education & Training

  • University of Southern California/LAC+USC Medical Center
    University of Southern California/LAC+USC Medical CenterResidency, Colon and Rectal Surgery, 2000 - 2001
  • Beth Israel Deaconess Medical Center
    Beth Israel Deaconess Medical CenterFellowship, GI Surgery Research , 1993 - 1995
  • University of Zurich FOM
    University of Zurich FOMClass of 1988

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2002 - 2024
  • European Board of Surgery Qualification EBSQColoproctology
  • Swiss Board of Surgery FMHGeneral Surgery
  • Swiss Board of Surgery FMHVisceral Surgery

Awards, Honors, & Recognition

  • Fellowship American Surgical Association, 2022
  • Fellow American Surgical Association, 2022
  • Top Docs Los Angeles Magazine, 2018-2022
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Clinical Trials

Publications & Presentations


Journal Articles

  • Robotic-Assisted Laparoscopic Repair of Rectovesical Fistula After Hartmann’s Reversal Procedure  
    R Sotelo, K Nikkhou, A M Kaiser, L G Medina, I Gill, Journal of Robotic Surgery

Books/Book Chapters

Press Mentions

  • KMET Radio talkshow with Yvette M Walker
    KMET Radio talkshow with Yvette M WalkerJune 14th, 2022

Professional Memberships

Other Languages

  • German, French, Italian

Hospital Affiliations