
Ron Gerald Landmann MD FACS, FASCRS
Chief, Section of Colon & Rectal Surgery, Baptist-MD Anderson Cancer Center - Baptist Medical Center Chair, Division of Colon & Rectal Surgery, Baptist Hospital Assistant Professor, Surgery, Mayo Clinic School of Medicine
1301 Palm AvenueJacksonville, FL 32207
Overview of Dr. Landmann
Dr. Ron Landmann is a colorectal surgeon in Jacksonville, FL and is affiliated with Baptist MD Anderson Cancer Center and Baptist Medical Center Jacksonville. He received his medical degree from Boston University School of Medicine and has been in practice 17 years. He completed fellowships at Memorial Sloan-Kettering Cancer Center and Cleveland Clinic Florida. He also speaks multiple languages, including Spanish and Romanian. He is experienced in robotic surgery, sphincter-preservation, rectal cancer, colon cancer, diverticulitis, inflammatory bowel disease, ulcerative colitis, J-pouch procedures, crohn's disease, and colonoscopy. Additionally, he has brought forth advancements in surgical endomechanical devices, as well as robotics and digital innovation (incorporating advanced imaging and AR and AI).
Education & Training
Cleveland Clinic Foundation/Florida WestonResidency, Colon and Rectal Surgery, 2007 - 2008
Icahn School of Medicine at Mount Sinai/Morningside/WestResidency, Surgery, 2000 - 2007
Memorial Sloan Kettering Cancer CenterFellowship, Surgical Oncology - Colon & Rectal Surgery, 2003 - 2005
Boston University School of MedicineClass of 2000
Certifications & Licensure
FL State Medical License 2007 - 2027
AZ State Medical License 2014 - 2020
GA State Medical License 2013 - 2019
KY State Medical License 2013 - 2018
MN State Medical License 2014 - 2018
NJ State Medical License 2008 - 2011
NY State Medical License 2003 - 2008
American Board of Colon and Rectal Surgery Colon & Rectal Surgery
American Board of Surgery Surgery
Awards, Honors, & Recognition
- Regional Top Doctor Castle Connolly, 2014-2019, 2021-2023
- CMS Meaningful Use Stage 2 Certification FirstNet (Clinical), Cerner Corporation, 2013-2017
- CMS Meaningful Use Stage 2 Certification PowerChart (CQM), Cerner Corporation, 2013-2017
Clinical Trials
- Preoperative Radiotherapy and Chemotherapy in Patients With Locally Advanced Rectal Cancer
- PROSPECT: Chemotherapy Alone or Chemotherapy Plus Radiation Therapy in Treating Patients With Locally Advanced Rectal Cancer Undergoing Surgery Start of enrollment: 2012 Jun 12
- Perfusion Assessment in Laparoscopic Left Anterior Resection
Publications & Presentations
PubMed
- Utility of Circulating Tumor DNA to Assess Tumor Response in Patients with Locally Advanced Rectal Cancer Undergoing Neoadjuvant Therapy.Sakti Chakrabarti, Stacey A Cohen, Antony Tin, Autumn Dangl, Ki Y Chung
Cancers. 2026-02-11 - 1 citationsExtraction site hernia and short-term outcomes following intracorporeal versus extracorporeal anastomosis for robotic and laparoscopic right colectomy: a multi-center ...Robert K Cleary, Matthew Silviera, Tobi J Reidy, James McCormick, Craig S Johnson
Surgical Endoscopy. 2026-01-01 - 40 citationsIntracorporeal and extracorporeal anastomosis for robotic-assisted and laparoscopic right colectomy: short-term outcomes of a multi-center prospective trial.Robert K. Cleary, Matthew L. Silviera, Tobi J. Reidy, James McCormick, Craig S. Johnson
Surgical Endoscopy. 2021-11-01
Other
- Management of patients with a colostomy or ileostomyLandmann RG, Doughty DB
http://www.uptodate.com/contents/management-of-patients-with-a-colostomy-or-ileostomy
UpToDate, Wolters Kluwer Health - 2013-04-15
Press Mentions
Gut CheckMay 22nd, 2025- Ethicon’s Echelon Circular Powered Stapler Associated with Major Reduction in Serious Complications Following Colorectal SurgeryAugust 11th, 2021
- Ethicon’s ECHELON CIRCULAR Powered Stapler Associated with Major Reduction in Serious Complications Following Colorectal SurgeryAugust 11th, 2021
Committees
- Institutional Delegate, Optimizing the Surgical Treatment of Rectal Cancer 2014 - Present
- Chair, ASCRS Rectal Cancer Steering Committee 2013 - Present
- Member, Continuing Education in CRS 2010 - Present
- Vice Chair, Awards Committee 2010 - 2013
Professional Memberships
- Fellow
- Member
Other Languages
- Spanish, Romanian
Insurance Accepted
- Aetna Choice POS II
BCBS Blue Card PPO
BCBS Florida NetworkBlue
BCBS Florida Preferred Patient Care PPO
BCBS Illinois PPO
CIGNA Open Access
CIGNA PPOFirst Health PPO
Health Alliance PPO
Multiplan PHCS PPO
Multiplan PPO
United Healthcare - Direct Choice Plus POS
United Healthcare - Direct Options PPO
Wellmark Alliance Select - Please verify your coverage with the provider's office directly when scheduling an appointment
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