Dr. Demetrios Tzimas completed both his Internal Medicine Residency and Gastroenterology Fellowship at the NYU School of Medicine, where he was awarded the distinction of both Resident and Gastroenterology Fellow of the Year. He completed a one year Advanced and Therapeutic Endoscopy Fellowship at Stony Brook University Hospital, where he was awarded with the honor of Fellow Educator of the Year. Dr. Tzimas is Board Certified in both Internal Medicine and Gastroenterology. He specializes in ERCP, EUS, and enteral stenting. Dr. Tzimas also performs device assisted enteroscopy and altered anatomy ERCP. He is a member of the Advanced and Therapeutic Endoscopy Service in the Division of Gastroenterology and Hepatology. He is currently the course director of the Stony Brook University School of Medicine's Gastroenterology Course for second year medical students.
Book Chapters:
Tzimas D, Nagula S. (In Press). Chapter 36C Stones in the Bile Duct: Endoscopic and Percutaneous
Approaches. Blumgart’s Surgery of the Liver, Biliary Tract, and Pancreas, 6th ed. Jarnagin. New York, NY. Elsevier.
Tzimas D, Bucobo JC, Telem D. 2016. Chapter 3 Management of Esophageal Variceal
Bleeding. Gastrointestinal Bleeding: A Practical Approach to Diagnosis and Management. Branch S. New York, NY. Springer.
Selected List of Original Research/Publications in Primary Journals:
Yang D, et al. Safety, feasibility, and efficacy of lumen-apposing covered self-expanding metal stents for short gastrointestinal strictures: A multicenter study. Endoscopy. 2016; In press.
Park L, Mone A, Price J, Tzimas D, Hirsh J, Poles M, Malter L, Chen LA. Perceptions of Fecal Microbiota Transplantation for Clostridium difficile infection: Factors that Predict Acceptance. Annals of Gastroenterology. 2016; In press.
Haberman R, Kim J, Tzimas D, Poles M. Adenoma Detection Rates in Sedated versus Unsedated Colonoscopies. Gastrointestinal Endoscopy. 2016; In Press.
Parikh, M. Liu J, Vieira D, Tzimas D, Horwitz D, Antony A, Saunders JK, Ude-Welcome A, Goodman A. Preoperative Endoscopy Prior to Bariatric Surgery: A Systematic Review and Meta-AnalysisOf the Literature. Obesity Surgery. 2016; 26(12):2961-2966.
Wan DW, Tzimas D, Smith J, Kim S, Araujo J, David R, Lobach I, Sarpel U. Risk factors for early-onset and late-onset hepatocellular carcinoma in Asian immigrants with Hepatitis B in the United States. Am J Gastroenterol. 2011;106(11):1994-2000.
Case Reports:
Antony A, Kramer S, Tzimas D, Saitta P. Pneumobilia resulting from choledochoduodenal fistula secondary to metastatic colon adenocarcinoma. ACG Case Rep J. 2016; 3(2):112-114.
Aggarwal I, Beller J, Tzimas D. A case of confusion. Gastroenterology. 2014; 47(6):e5-6.
Barbash B, Kramer S, Tzimas D, Saitta P. Graft-versus-host disease of the upper gastrointestinal tract after an autologous stem cell transplant. ACG Case Rep J. 2014; 2(1):55-57.
Chugh P, Tzimas D, Gurvits G. A rare cause of upper gastrointestinal bleeding. Gastroenterology. 2013; 145(6):e11-12
Tzimas D, Wan DW. Small bowel perforation in a patient with AIDS. Gastroenterology. 2011; 140(7):1882,2150.
Demetrios Tzimas East Setauket address and phone