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J. Marc Shabot, M.D.
Professor, Division of Gastroenterology and Hepatology

J. Marc Shabot, M.D.

J. Marc Shabot, M.D.
Raymond L. Gregory Professor of Medicine
Vice Chair for Alumni Affairs and Development,
Department of Internal Medicine

University of Texas Medical Branch
301 University Blvd.
Galveston, TX 77555-0764
Phone: 409.772.1501


Dr. Shabot is currently the Raymond L. Gregory Professor of Medicine and Vice Chair for Alumni Affairs and Development for the Department of Internal Medicine at The University of Texas Medical Branch (UTMB) in Galveston. At UTMB, Dr. Shabot's role has been devoted to teaching, patient care, and administration of departmental and educational activities.

Dr. Shabot earned his medical degree from UTMB where he subsequently completed his internal medicine residency and gastroenterology fellowship. He has been a faculty member in the Gastroenterology division since 1978. He has served as Interim Division Director and as Director of Clinical Gastroenterology at various times during his tenure.

Dr. Shabot is widely regarded for his passion for the practice of medicine as a clinician-teacher. He is a leader in Continuing Medical Education (CME) at UTMB, and has organized over 30 CME scientific programs for a number of organizations including the Texas Club of Internists, the Texas Society for Gastroenterology and Endoscopy, the Texas Academy Chapter of the American College of Physicians (ACP), the UTMB Alumni Association, and the UTMB Department of Internal Medicine Alumni Society.

Dr. Shabot is Board Certified in Internal Medicine and Gastroenterology. He is a Fellow of the American College of Physicians and the American College of Gastroenterology. He has served as Governor of the Texas Southern Region of the ACP, and is the only person from Galveston ever elected to serve in that position. Dr. Shabot has received numerous professional awards including the Laureate Award from the ACP, and the Marcel Patterson-Robert Nelson Award from the Texas Society of Gastroenterology and Endoscopy for lifelong contributions to gastroenterology. Dr. Shabot has also been named a UTMB Ashbel Smith Distinguished Alumnus.

Clinical Interests

Dr. Shabot has clinical interests in peptic ulcer disease and colorectal cancer screening and prevention. In regard to the latter, Dr. Shabot established the UTMB Colon Cancer Prevention Program in the early 1990's. Since that time, as a clinician teacher he has been active promoting colon cancer prevention. He has made numerous presentations on colon cancer screening and prevention on radio and television, in the press, and to numerous professional organizations and lay groups including Texas Academy Chapter of the American College of Physicians, the Gulf Coast Conference in Gastroenterology, the UTMB Heritage Council, the American Cancer Society Galveston County Chapter, and the 2011 Galveston Women's Conference.

Selected Publications

  1. Shabot JM. Do Your Part to Prevent Colon Cancer Death. GDN A8, February 18, 2000.
  2. Shabot JM. Empathy for a Man of Few Words. American Journal of Medicine 118: 1059, 2005.
  3. Fan X, Scott L, Qiu S, Raju GS, Shabot JM. "Colonic Co-infection of Histoplasma and Cytomegalovirus Mimicking Carcinoma in a Patient with HIV/AIDS". Gastrointestinal Endoscopy 2008 May; 67(6): 977-8; discussion 97. Epub 2008 Mar 7,
  4. Shabot JM. Make this Colon Cancer Action Month. GDN B6, March 19, 2011.

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