Mark Bennett Pochapin

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Mark Bennett Pochapin, M.D.

Sholtz/Leeds Professor of Gastroenterology; Vice Chair for Clinical Affairs, Dept of Medicine; Dir Div of Gastroenterology Dept of Medicine
Department of Medicine (Gastro Div)

Clinical Addresses

Ambulatory Care Center
240 East 38th Street
23rd Floor
New York, NY 10016
Hours: Wed. 8 - 5
Handicap Access: yes
Phone: 212-263-3095
Fax: 212-263-3096

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Medical Specialties


Medical Expertise

Advanced Endoscopy, Colonoscopy, Pancreatic Cancer, Breath Test, H pylori Infection, Lynch Syndrome, Pancreatic Disease, Colon Polyps, Pancreatic Cysts, Colon Cancer, Gastrointestinal Cancers, Endoscopy, Fecal Microbial Transplant, Peptic Ulcers Disease (PUD), Endoscopic Ultrasound, Colon Cancer Screening, Rectal Cancer, C difficile Infection, Endoscopic Mucosal Resection (EMR), Hereditary Non-Polyposis Colorectal Cancer (HNPCC)

Dr. Mark B. Pochapin is the Sholtz-Leeds Professor of Gastroenterology and Professor of Medicine at the NYU School of Medicine, and Director of the Division of Gastroenterology at NYU Langone Medical Center. Dr. Pochapin is widely known for his dedication to the advancement of clinical excellence, to humanism in patient care, and to the education of medical students and physicians in both the science and art of medicine.

Board certified in Gastroenterology, Dr. Pochapin's patient practice is focused primarily on advanced gastrointestinal endoscopy, and the prevention, early detection, and treatment of gastrointestinal cancers including colorectal, pancreatic, and stomach cancers. His research interests have been centered on innovative endoscopic technologies; prevention of colorectal polyps and cancer; early identification and treatment of pancreatic cysts; and the diagnosis and staging of pancreatic cancer.

Dr. Pochapin has received numerous honors for his work, including over 25 teaching awards, the prestigious Elliot Hochstein Teaching Award for "the qualities of compassion, skill, and distinction as a physician and teacher," and the Humanism in Medicine Award in recognition of "compassion, sensitivity, respect, and cultural competence in the delivery of care to patients and their families." Dr. Pochapin has been named eight times to New York Magazine's Best Doctors in New York.

Currently serving on the Board of Trustees of the American College of Gastroenterology, Dr. Pochapin is also a fellow of the American Society for Gastrointestinal Endoscopy and American College of Physicians. He is the author of What Your Doctor May Not Tell You About Colorectal Cancer.

Dr. Pochapin received his medical degree from Cornell University Medical College. He completed his internship and residency in Internal Medicine at NewYork-Presbyterian /Weill Cornell Medical Center and his fellowship in Gastroenterology at the Albert Einstein College of Medicine / Montefiore Medical Center.



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Board Certification

2004 — Ab Internal Medicine (Gastroenterology)


1984-1988 — Cornell University Medical College, Medical Education
1991-1993 — Montefiore Medical Center (Gastroenterology), Clinical Fellowships

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All data from NYU Health Sciences Library Faculty Bibliography — -


A novel balloon colonoscope detects significantly more simulated polyps than a standard colonoscope in a colon model
Hasan, Nazia; Gross, Seth A; Gralnek, Ian M; Pochapin, Mark; Kiesslich, Ralf; Halpern, Zamir
2014 Dec;80(6):1135-1140, Gastrointestinal endoscopy
— id: 1368592, year: 2014, vol: 80, page: 1135, stat: Journal Article,

Endocuff assisted colonoscopy increases adenoma detection rates: A multi-center study
Marsano, J; Tzimas, D; McKinley, M; Robbins, D H; Mammen, A; Sun, E; Chugh, P; Razavi, F; Hasan, N; Buscaglia, J; Bucobo, J C; Nagula, S; Goodman, A J; Pochapin, M; Gross, S A
2014 May 2014;79(5):AB443-AB443, Gastrointestinal endoscopy
— id: 954302, year: 2014, vol: 79, page: AB443, stat: Journal Article,

The learning curve for endocuff assisted colonoscopy
Marsano, J; Tzimas, D; Razavi, F; Hasan, N; Goodman, A J; Pochapin, M; Gross, S A
2014 May 2014;79(5):AB445-AB446, Gastrointestinal endoscopy
— id: 954292, year: 2014, vol: 79, page: AB445, stat: Journal Article,

Deep Enteroscopy with a Conventional Colonoscope: Initial Multicenter Study Using the NaviAid Balloon System
Ali, Rabia; Diehl, David; Shieh, Frederick; Fischer, Monika; Tamura, Wataru; Rubin, David; Storm, Andrew; Okolo, Patrick; Kumbhari, Vivek; Wild, Daniel; Halpern, Zamir; Neumann, Helmut; Pochapin, Mark; Gross, Seth
2013 OCT;108 1 1:S596-S597, American journal of gastroenterology
— id: 816052, year: 2013, vol: 108 1 1, page: S596, stat: Journal Article,

Impact of ProCore EUS Fine Needle Biopsy on EUS Procedures: A Cost Model
Ali, Rabia; Goodman, Adam; Pochapin, Mark; Gross, Seth
2013 OCT;108 1 1:S615-S615, American journal of gastroenterology
— id: 815992, year: 2013, vol: 108 1 1, page: S615, stat: Journal Article,

Assessing Endoscopist Accuracy of Measuring Colon Polyp Size
Ali, Rabia; Rex, Douglas; Fang, Yixin; Tzimas, Demetrios; Pochapin, Mark; Gross, Seth
2013 OCT;108 1 1:S607-S607, American journal of gastroenterology
— id: 816032, year: 2013, vol: 108 1 1, page: S607, stat: Journal Article,

Assessing the utility of a pocket-sized inflammatory bowel disease educational resource designed for gastroenterology fellows
Balzora, S; Wolff, M; Wallace, T; Pochapin, M; Poles, M; Weinshel, E; Malter, L
2013 December 2013;19:S60-S60, Inflammatory bowel diseases
— id: 838132, year: 2013, vol: 19, page: S60, stat: Journal Article,

A Novel Balloon-colonoscope for Increased Polyp/Adenoma Detection Rate: Results of a Randomized Tandem Study
Gross, Seth; Halpern, Zamir; Santo, Erwin; Kiesslich, Ralf; Hoffman, Arthur; Pochapin, Mark; Shpak, Beni
2013 OCT;108 1 1:S632-S633, American journal of gastroenterology
— id: 816122, year: 2013, vol: 108 1 1, page: S632, stat: Journal Article,

Balloon-assisted (BAT) Colonoscopy Using the NaviAid (TM) G-Eye Detects Significantly More Simulated Polyps in a Colon Model
Hasan, Nazia; Gross, Seth; Pochapin, Mark; Kiesslich, Ralf; Gralnek, Ian
2013 OCT;108 1 1:S598-S598, American journal of gastroenterology
— id: 816022, year: 2013, vol: 108 1 1, page: S598, stat: Journal Article,

Quality commitment: the newly established American College of Gastroenterology Quality Council to meet the needs of clinical gastroenterology
Kane, Sunanda; Leighton, Jonathan; Kefalas, Costas; Cohen, Lawrence; Katz, Philip; Rizk, Maged; Pike, Irving; Lashner, Bret; Ho, Immanuel; Pochapin, Mark; Seabrook, March; Greenwald, David; Demarco, Daniel; Johnson, David
2013 Jan;108(1):7-9, American journal of gastroenterology
— id: 288742, year: 2013, vol: 108, page: 7, stat: Journal Article,

Commercial molecular panels are of limited utility in the classification of pancreatic cystic lesions
Panarelli, Nicole C; Sela, Raanan; Schreiner, Andrew M; Crapanzano, John P; Klimstra, David S; Schnoll-Sussman, Felice; Pochapin, Mark B; Yantiss, Rhonda K
2012 Oct;36(10):1434-1443, American journal of surgical pathology
— id: 178209, year: 2012, vol: 36, page: 1434, stat: Journal Article,

Increasing incidence of rectal cancer in patients aged younger than 40 years: an analysis of the surveillance, epidemiology, and end results database
Meyer, Joshua E; Narang, Tarun; Schnoll-Sussman, Felice H; Pochapin, Mark B; Christos, Paul J; Sherr, David L
2010 Sep;116(18):4354-4359, Cancer
— id: 157934, year: 2010, vol: 116, page: 4354, stat: Journal Article,

A rare case of duodenal immunoglobulin m infiltration in a patient with chronic lymphocytic leukemia
Narang, Tarun K; Schnoll-Sussman, Felice H; Yantiss, Rhonda; Ely, Scott A; Alyea, Edwin Pascal 3rd; Pochapin, Mark B
2009 Nov;104(11):2862-2863, American journal of gastroenterology
— id: 157935, year: 2009, vol: 104, page: 2862, stat: Journal Article,

Understanding the risks of colonoscopy: looking forward
Pochapin, Mark B
2009 Mar;69(3 Pt 2):672-674, Gastrointestinal endoscopy
— id: 157936, year: 2009, vol: 69, page: 672, stat: Journal Article,

Asymptomatic ileitis: past, present, and future
Greaves, Mark L; Pochapin, Mark
2006 Apr;40(4):281-285, Journal of clinical gastroenterology
— id: 166767, year: 2006, vol: 40, page: 281, stat: Journal Article,

Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of solid-pseudopapillary tumor of the pancreas: a rare neoplasm of elusive origin but characteristic cytomorphologic features
Bardales, Ricardo H; Centeno, Barbara; Mallery, J Shawn; Lai, Rebecca; Pochapin, Mark; Guiter, Gerardo; Stanley, Michael W
2004 May;121(5):654-662, American journal of clinical pathology
— id: 166769, year: 2004, vol: 121, page: 654, stat: Journal Article,

Devastating presentations of regional enteritis (Crohn's disease): two reports of survival following severe multiple organ dysfunction syndrome
Grossman, Catherine J; Hydo, Lynn J; Wang, John C L; Pochapin, Mark; Barie, Philip S
2004 Fall;5(3):301-307, Surgical infections
— id: 166768, year: 2004, vol: 5, page: 301, stat: Journal Article,

Comparison of linear array endoscopic ultrasound and helical computed tomography for the staging of periampullary malignancies
Rivadeneira, David E; Pochapin, Mark; Grobmyer, Stephen R; Lieberman, Michael D; Christos, Paul J; Jacobson, Ira; Daly, John M
2003 Oct;10(8):890-897, Annals of surgical oncology
— id: 166770, year: 2003, vol: 10, page: 890, stat: Journal Article,

The use of endoscopic ultrasound in the diagnosis of solid pseudopapillary tumors of the pancreas in children
Nadler, Evan P; Novikov, Anna; Landzberg, Brian R; Pochapin, Mark B; Centeno, Barbara; Fahey, Thomas J; Spigland, Nitsana
2002 Sep;37(9):1370-1373, Journal of pediatric surgery
— id: 45246, year: 2002, vol: 37, page: 1370, stat: Journal Article,

Safety and efficacy of two reduced dosing regimens of sodium phosphate tablets for preparation prior to colonoscopy
Rex, D K; Chasen, R; Pochapin, M B
2002 May;16(5):937-944, Alimentary pharmacology & therapeutics
— id: 157937, year: 2002, vol: 16, page: 937, stat: Journal Article,

Protein-Losing Enteropathy and Gastropathy
Landzberg, BR; Pochapin, MB
2001 Feb;4(1):39-49, Current treatment options in gastroenterology
— id: 157939, year: 2001, vol: 4, page: 39, stat: Journal Article,

Enteroclysis: a multidisciplinary approach
Teeger, S; Pochapin, M
2001 Sep-Oct;26(5):481-482, Abdominal imaging
— id: 166771, year: 2001, vol: 26, page: 481, stat: Journal Article,

Treatment of complicated sarcoidosis with infliximab anti-tumor necrosis factor-alpha therapy
Yee, A M; Pochapin, M B
2001 Jul;135(1):27-31, Annals of internal medicine
— id: 157938, year: 2001, vol: 135, page: 27, stat: Journal Article,

Realizing the potential of clinical judgment: a real-time strategy for predicting outcomes and cost for medical inpatients
Charlson, M E; Hollenberg, J P; Hou, J; Cooper, M; Pochapin, M; Pecker, M
2000 Aug;109(3):189-195, American journal of medicine
— id: 166772, year: 2000, vol: 109, page: 189, stat: Journal Article,

The effect of probiotics on Clostridium difficile diarrhea
Pochapin, M
2000 Jan;95(1 Suppl):S11-S13, American journal of gastroenterology
— id: 166773, year: 2000, vol: 95, page: S11, stat: Journal Article,

Fecal occult blood testing in hospitalized patients
Pochapin, M B; Fine, S N; Eisorfer, R M; Rigas, B
1994 Dec;19(4):274-277, Journal of clinical gastroenterology
— id: 157940, year: 1994, vol: 19, page: 274, stat: Journal Article,

Incorporation of fluorescently labeled actin and tropomyosin into muscle cells
Dome, J S; Mittal, B; Pochapin, M B; Sanger, J M; Sanger, J W
1988 Mar;23(1-2):37-52, Cell differentiation
— id: 158682, year: 1988, vol: 23, page: 37, stat: Journal Article,

Stress fiber and cleavage furrow formation in living cells microinjected with fluorescently labeled alpha-actinin
Sanger, J M; Mittal, B; Pochapin, M B; Sanger, J W
1987 ;7(3):209-220, Cell motility & the cytoskeleton
— id: 158683, year: 1987, vol: 7, page: 209, stat: Journal Article,

Myofibrillogenesis in living cells microinjected with fluorescently labeled alpha-actinin
Sanger, J M; Mittal, B; Pochapin, M B; Sanger, J W
1986 Jun;102(6):2053-2066, Journal of cell biology
— id: 158684, year: 1986, vol: 102, page: 2053, stat: Journal Article,

Observations of microfilament bundles in living cells microinjected with fluorescently labelled contractile proteins
Sanger, J M; Mittal, B; Pochapin, M; Sanger, J W
1986 ;5:17-44, Journal of cell science. Supplement
— id: 166774, year: 1986, vol: 5, page: 17, stat: Journal Article,

Midbody sealing after cytokinesis in embryos of the sea urchin Arabacia punctulata
Sanger, J M; Pochapin, M B; Sanger, J W
1985 ;240(2):287-292, Cell & tissue research
— id: 157944, year: 1985, vol: 240, page: 287, stat: Journal Article,

Microinjection of Lucifer yellow CH into sea urchin eggs and embryos
Pochapin, M B; Sanger, J M; Sanger, J W
1983 ;234(2):309-318, Cell & tissue research
— id: 157945, year: 1983, vol: 234, page: 309, stat: Journal Article,