Ron G. Landmann, M.D.

  1. General Surgeon
  2. Colon and Rectal Surgeon


  1. Jacksonville, Florida


  1. Anorectal abnormalities
  2. Colon cancer
  3. Crohn's disease
  4. Diverticulosis and diverticulitis
  5. Familial adenomatous polyposis
  6. Lynch syndrome
  7. Rectal cancer
  8. Ulcerative colitis
  1. Anorectal surgery
  2. Colonoscopy
  3. Colorectal surgery
  4. Endoscopy
  5. J-pouch surgery
  6. Laparoscopic surgery
  7. Minimally invasive surgery
  8. Robotic 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.

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Jacksonville, Florida

  1. 2008
    Resident - Colon & Rectal SurgeryCleveland Clinic Foundation and Cleveland Clinic Florida
  2. 2007
    Academic Chief Resident - General SurgerySt. Luke's-Roosevelt Hospital Center, University Hospital of Columbia University
  3. 2007
    Resident - General SurgerySt. Luke's-Roosevelt Hospital Center, University Hospital of Columbia University
  4. 2005
    Fellow - Colorectal Surgical OncologyMemorial Sloan-Kettering Cancer Center, Cornell University
  5. 2000
    MD - MedicineBoston University School of Medicine
  6. 2000
    BA - Major: Medical Sciences, Minor: Computer ScienceCollege of Arts & Sciences, Boston University


  1. 2009
    Colon & Rectal SurgeryAmerican Board of Colon and Rectal Surgery
  2. 2008
    General SurgeryAmerican Board of Surgery