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Winthrop University Hospital

James Grendell, MD

Director, Center for Pancreatic Diseases Chief, Division of Gastroenterology, Hepatology and Nutrition

Faculty Appointment:

Professor of Medicine, School of Medicine, State University of New York at Stony Brook


Gastroenterology: Pancreatic diseases

Area of Clinical Expertise:

Gastroenterology, Acute and Chronic pancreatitis, Autoimmune pancreatitis, Pancreatic Cystic Neoplasms, Hepatitis, Cirrhosis, Inflammatory Bowel Disease, Nutrition

Practice Locations:


Winthrop Gastroenterology Associates, PC

222 Station Plaza North, Suite 428

Mineola, NY 11501

(516) 663-2066

Driving Directions

Gastroenterology – Endoscopy Center

Winthrop University Hospital

259 First St., First Floor

Mineola, NY 11501

To schedule a procedure, please call (516) 663-2066

Driving Directions


Internal Medicine 1978

Gastroenterology, 1981

Nutrition, 2005


State University of New York at Stony Brook

Educational Background:

Medical School: College of Medicine, The Ohio State University
Internship: Beth Israel Hospital, Boston, MA
Residency: Beth Israel Hospital, Boston, MA
Fellowship: University of California, San Francisco
(Clinical, 7/78-9/79; Research 10/79-6/81)



American Federation for Clinical Research

Fellow, American Gastroenterological Association

American Pancreatic Association

Gastroenterology Research Group

Western Society for Clinical Investigation

Western Association of Physicians

International Association of Pancreatology

Long Island Gastroenterological Association

Research Interests:

Acute and chronic pancreatitis, pancreatic cystic neoplasms, percutaneous endoscopic gastrostomy tubes, C. difficile colitis

Relevant Publications:

J. H. Grendell. Acute Pancreatitis. In: Encyclopedia of Intensive Care Medicine. Springer-Verlat Berlin Heidelberg 2011.

R. Bonasera, J.H. Grendell. Pancreatic Dysfunction in Inflammatory Bowel Disease. In: Advanced Therapies for IBD. People’s Medical Publishing House 2011. In press.

V. Korrapati, J.P. Babich, A. Balani, J.H. Grendell, K. R. Kongara. Does deep sedation impact the results of 48 hours catheterless pH testing? World Journal of Gastroenterology 2011 March 14; 17(10):1-4.

J. Berger, S. Hida, H. Chen, D. Friedel, and J. Grendell. Research letter: Surrogate consent for percutaneious endoscopic gastrostomy. Archives of Internal Medicine 171 (Vol. 2) p178 January 2011.

R.J. Bonasera, J.H. Grendell. Pancreatic Dysfunction in Inflammatory Bowel Disease. In: Advanced Therapies for IBD. 2010

M.D. Harris, S.N. Stavropoulos, S. Hida, C.Brathwaite,C. Demetriou, J.H. Grendell. Endoscopic submucosal myotomy for the treatment of achalasia (with video). Gastrointestinal Endoscopy 71;5:AB99, 2010.

D.M. Friedel, B. Abraham, N. Georgiou, S.N. Stavropoulos, J.H.Grendell, D.S. Katz. Pancreatic cystic neoplasm. Southern Medical Journal 2010 Jan;103(1):51-7.

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