Ron Gerald Landmann, MD, FACS, FASCRS

Dual Board Certified in Colon & Rectal Surgery and General Surgery with speciality training in advanced colon/rectal cancer surgery and inflammatory bowel disease (Ulcerative Colitis and Crohn's disease), Dr. Landmann specializes in performing robotics and minimally invasive (laparoscopic) surgery for patients to minimize pain and enhance recovery for patients. He is a nationwide leader in robotic sphincter-sparing/preserving rectal cancer surgery co-directing courses/symposium in this topic. Additionally, he has one of the highest volumes in performing restorative procedures for both rectal cancer and ulcerative colitis (restorative proctocolectomy with ileal pouch anal anastomosis/J-pouch procedures). He currently serves as the chair of the ASCRS Rectal Cancer Coordinating Committee. THis committee serves as the source and disease experts in Rectal Cancer for the country. He also works with the ACS Commission on Cancer and the National Accreditation Programs in Rectal Cancer (NAPRC). Projects also include creation of national quality initiatives and databases. He has won numerous awards including being named a Top Doctor for the past several years in a row and also world-renowned for his expertise and has published numerous articles and chapters in the field of Colon & Rectal Surgery. He is also a peer-reviewer and on the editorial board for numerous peer-reviewed journals.

Anorectal Disease

• anal abscess
• anal fissure
• anal fistula
• anal sphincter repair
• anal tears
• anal warts
• anorectal malformations
• colonoscopy
• hemorrhoid problems
• hemorrhoidal banding
• IRC (infrared coagulation) for hemorrhoi
• prolapsing hemorroids
• pruritus ani
• rectal bleeding
• rectal prolapse
• recto-vaginal fistula
• sphincter repair
• sphincter sparing surgery

Colon and Rectal Disorder/Procedures

• colectomy
• colon polyps
• colon surgery
• colonoscopy
• colostomy
• diverticular disease
• diverticulitis
• flexible sigmoidoscopy
• ileostomy
• intestinal failure management
• intussusception
• laparoscopic colon surgery
• Meckel's diverticulum
• parastomal hernia repair
• pelvic floor dysfunction
• peritonitis
• pilonidal disease
• removal of colon polyps
• sigmoidoscopy
• small bowel syndrome
• stoma revision
• surgery for diverticulitis

Colon and Rectal Cancer/Tumors

• anal cancer
• colon cancer screening
• colon surgery
• colon/rectal cancer
• colonic polyps
• colostomy
• diverticular disease
• ileostomy
• intestinal failure management
• intussusception
• laparoscopic colon surgery
• Meckel's diverticulum
• peritonitis
• small bowel syndrome

Gastrointestinal

Colon and Rectal Other

Vaginal-Rectal Disorders/procedures

• rectovaginal fistula

Diagnostic Imaging/procedures

Bowel Control

Inflammatory Bowel Disease

• Crohn's disease
• ulcerative colitis

Minimal Invasive/Endoscopic Procedures

• colon/rectal cancer screening
• colonoscopic polypectomy
• colonoscopy
• colonoscopy/virtual
• colonscopy
• endoscopic surgery
• flexible sigmoidoscopy
• laparoscopic surgery for colon and recta
• laser surgery
• Local excision
• minimally invasive surgery
• Procedure for prolapsing hemorrhoids
• robotic-assisted colon surgery
• Sphincter sparing surgery
• Trans anal Endoscopic Microsurgery
• Trans anal Endoscopic Surgery
• Trans anal Minimally Invasive Surgery

Pediatric colorectal and GI

• Crohn's disease
• inflammatory bowel disease
• Meckel's diverticulum
• ulcerative colitis

Diagnostic Imaging/procedures

Mayo Clinic Florida

Jacksonville, FL,

Consultant, Urological Surgeon

01/2008—Present

Baptist - MD Anderson Cancer Center

Jacksonville, FL

Chief

04/2018—Present

Mayo Clinic College of Medicine

Assistant Professor

10/2008—04/2018

University of Texas - MD Anderson Cancer Center

Chief

05/2018—Present

University of Texas - MD Anderson Cancer Center

Associate Professor

01/2021—Present