1. Florida


  1. Colon and Rectal Surgery


  1. Resident - Colon & Rectal Surgery Cleveland Clinic Foundation and Cleveland Clinic Florida
  2. Academic Chief Resident - General Surgery St. Luke's-Roosevelt Hospital Center, University Hospital of Columbia University
  3. Resident - General Surgery St. Luke's-Roosevelt Hospital Center, University Hospital of Columbia University
  4. Fellow - Colorectal Surgical Oncology Memorial Sloan-Kettering Cancer Center, Cornell University
  5. MD - Medicine Boston University School of Medicine
  6. BA - Major: Medical Sciences, Minor: Computer Science College of Arts & Sciences, Boston University


  1. American Board of Surgery
  2. American Board of Colon and Rectal Surgery
  3. American Board of Critical Care Medicine

Primary Appointment

  1. Colon and Rectal Surgery

Academic rank

  1. Assistant Professor of Surgery


  • Robotic, laparoscopic and open management of all colon and rectal diseases
  • Ileoanal (J-) Pouch procedures for ulcerative colitis & familial adenomatous polyposis (FAP)
  • Sphincter-preserving surgery for rectal cancer
  • Crohn's disease
  • Minimally invasive surgery for rectal and colon cancer, Crohn's disease, ulcerative colitis, and diverticulitis
  • Hereditary colorectal cancer including HNPCC and FAP
  • Presacral / retrorectal tumors
  • Transanal minimally invasive surgery (TAMIS) for rectal polyps and cancers
  • Surgical endoscopy/colonoscopy
  • Anorectal disorders
  • National / collaborative research trials

Ron G. Landmann, M.D., is a graduate of Boston University School of Medicine. He completed his surgical residency at St. Lukes-Roosevelt Hospital/Columbia University, and subsequently two fellowships in Colon & Rectal Surgical Oncology at Memorial Sloan-Kettering Cancer Center (New York, NY) and Colon & Rectal Surgery at Cleveland Clinic (Weston, Florida). He is an assistant professor of surgery in the Mayo Clinic College of Medicine. Dr. Landmann's practice is focused on robotic surgery and minimally invasive approaches for colorectal disease. His clinical fields of expertise are ulcerative colitis, rectal cancer, and Crohn's disease.

Dr. Landmann is active as a researcher and leader in the American Society of Colon and Rectal Surgeons. He serves on the editorial board of a leading journal in his field and also sits as a reviewer on other peer-reviewed journals. He serves on the national Rectal Cancer Steering Committee working to improve care for patients nationally. He is a principal investigator on several national cooperative and industry related clinical trials as well as a course director for a national rectal cancer symposium.


See my publications


See a description of research activities.


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