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  • Pediatric Gastroenterology, Nutrition, and Liver Diseases

  • Ezequiel Neimark, MD

    • Specialty in liver disease and liver transplant management
    • Assistant professor of pediatrics at the Warren Alpert Medical School of Brown University

    Background Information

    Ezequiel Neimark, MD

    Ezequiel Neimark, MD specializes in liver disease and liver transplant management. He is actively involved in the expansion of the pediatric liver disease program at Hasbro Children's Hospital.

    He is a member of the Perinatal Hepatitis Prevention Program, a collaboration between Rhode Island Hospital, Women & Infants' Hospital and the Rhode Island Department of Health to identify and provide appropriate medical follow-up to infants born to hepatitis positive mothers.

    Neimark earned his medical degree from the University of Buenos Aires, Argentina. He completed his pediatric residency training at Beth Israel Medical Center, Albert Einstein School of Medicine in New York. He then completed a pediatric gastroenterology fellowship and also an advanced fellowship in pediatric liver diseases and liver transplant at Mount Sinai Hospital. Neimark is board-certified in both pediatrics and pediatric gastroenterology.

    Research Interests

    Neimark's research interests include pediatric liver disease, pediatric liver transplant, and Inflammatory Bowel Disease (IBD). His research has been presented at national meetings and published in well-recognized medical journals.


    • Outstanding Intern Award, Beth Israel Medical Center, Albert Einstein College of Medicine
    • Outstanding Senior Resident Award, Beth Israel Medical Center, Albert Einstein College of Medicine
    • Grant from the American Association for the Study of Liver Diseases (AASLD) and Schering $60,000, for the Advanced Hepatology Fellowship Program 7/1/04-6/30/05

    Selected Publications

    Neimark E , Shneider B. Novel surgical and pharmacological approaches to chronic cholestasis in children: partial external biliary diversion for intractable pruritus and xanthomas in Alagille Syndrome. J Pediatr Gastroenterol Nutr. 2003 Feb;36(2):296-7.

    Chen F, Ananthanarayanan M, Emre S, Neimark E, Bull L, Knisely AS, Strautnieks S, Thompson R, Magid M, Gordon R, Balasubramanian N, Suchy F, Shneider B. Progressive Familial Intrahepatic Cholestasis, type 1, is associated with decreased Farnesoid X receptor activity. Gastroenterology. 2004 Mar;126(3):756-64.

    Neimark E , Li X, Chen F, Shneider B. Bile acid induced negative feedback regulation of the human ileal bile acid transporter. Hepatology. 2004 Jul;   40(1):149-56.

    Shneider B, Neimark E, Frankenberg T, Arnott L, Suchy F, Emre S. Critical Analysis of the Pediatric End-stage liver disease scoring system: A single center experience. Liver Transplantation. 2005 Jul;11(7):788-95.

    Pan DH, Chen F, Neimark E, Li X, Shneider BL. FTF and LRH-1, two related but different transcription factors in human Caco-2 cells: Their different roles in the regulation of bile acid transport. Biochim Biophys Acta . 2005 Dec 30;1732(1-3):31-7.

    Neimark E , Chen F, Li X, Magid M, Alasio T, Frankenberg T, Sinha J, Dawson P, Shneider B. c-fos is a critical mediator of Inflammatory-mediated repression of the apical sodium-dependent bile acid transporter. Gastroenterology 2006 (in press).