Dr. Tomer is the director of the Pediatric Inflammatory Bowel Disease program at the Children's Hospital at Montefiore. She is Associate Professor of Clinical Pediatrics.  Dr. Tomer graduated from Sackler School of Medicine, Tel- Aviv, Israel. Dr. Tomer completed her Pediatric Residency at New York University School of Medicine and her Pediatric Gastroenterogy and Nutrition Fellowship at Mount Sinai Medical Center, New York. Dr Tomer was Assistant Professor of Pediatrics in the Division of Pediatric Gastroenterology at Cincinnati Children’s Hospital for four years prior to joining the Pediatric GI Division at The Children’s Hospital at Montefiore in 2009. Dr. Tomer’s research interests include inflammatory bowel diseases, quality improvement work, and capsule endoscopy.  

1. Obtaining research biopsies during pediatric colonoscopy: Safety and adverse events. Mait-Kaufman J, Kahn S, Tomer G. World J Gastrointest Endosc. 2015 Jun 25;7(7):736-40. doi: 10.4253/wjge.v7.i7.736.

2.  Improving Nonattendance at Outpatient Pediatric Endoscopy Unit of a Tertiary Center. Kogan-Liberman D, Rivas Y, Thompson J, Tomer G. J Pediatr Gastroenterol Nutr. 2015 Aug;61(2):234-7. doi: 10.1097/MPG.0000000000000791.

3. Perceptions of gender equality in work-life balance, salary, promotion, and harassment: results of the NASPGHAN task force survey. Tomer G, Xanthakos S, Kim S, Rao M, Book L, Litman HJ, Fishman LN. J Pediatr Gastroenterol Nutr. 2015 Apr;60(4):481-5. doi: 10.1097/MPG.0000000000000637.

4. Improving the timeliness of procedures in a pediatric endoscopy suite. Tomer G, Choi S, Montalvo A, Sutton S, Thompson J, Rivas Y.  Pediatrics. 2014 Feb;133(2):e428-33. doi: 10.1542/peds.2013-2316. Epub 2014 Jan 20.

5. Improved outcomes with quality improvement interventions in pediatric inflammatory bowel disease. Samson CM, Morgan P, Williams E, Beck L, Addie-Carson R, McIntire S, Booth A, Mendez E, Luzader C, Tomer G, Saeed S, Donovan E, Bucuvalas J, Denson LA. J Pediatr Gastroenterol Nutr. 2012 Dec;55(6):679-88. doi: 10.1097/MPG.0b013e318262de16.

6.Factors that determine risk for surgery in pediatric patients with Crohn's disease. Schaefer ME, Machan JT, Kawatu D, Langton CR, Markowitz J, Crandall W, Mack DR, Evans JS, Pfefferkorn MD, Griffiths AM, Otley AR, Bousvaros A, Kugathasan S, Rosh JR, Keljo DJ, Carvalho RS, Tomer G, Mamula P, Kay MH, Kerzner B, Oliva-Hemker M, Kappelman MD, Saeed SA, Hyams JS, Leleiko NS. Clin Gastroenterol Hepatol. 2010 Sep;8(9):789-94. doi: 10.1016/j.cgh.2010.05.021. Epub 2010 May 31.

 7. Extraintestinal manifestations of pediatric inflammatory bowel disease and their relation to disease type and severity. Dotson JL, Hyams JS, Markowitz J, LeLeiko NS, Mack DR, Evans JS, Pfefferkorn MD, Griffiths AM, Otley AR, Bousvaros A, Kugathasan S, Rosh JR, Keljo D, Carvalho RS, Tomer G, Mamula P, Kay MH, Kerzner B, Oliva-Hemker M, Langton CR, Crandall W. J Pediatr Gastroenterol Nutr. 2010 Aug;51(2):140-5. doi: 10.1097/MPG.0b013e3181ca4db4.

8.  Outcome following infliximab therapy in children with ulcerative colitis. Hyams JS, Lerer T, Griffiths A, Pfefferkorn M, Stephens M, Evans J, Otley A, Carvalho R, Mack D, Bousvaros A, Rosh J, Grossman A, Tomer G, Kay M, Crandall W, Oliva-Hemker M, Keljo D, LeLeiko N, Markowitz J; Pediatric Inflammatory Bowel Disease Collaborative Research Group. Am J Gastroenterol. 2010 Jun;105(6):1430-6. doi: 10.1038/ajg.2009.759. Epub 2010 Jan 26.

 9. Polymorphisms in the IBD5 locus are associated with Crohn disease in pediatric Ashkenazi Jewish patients. Tomer G, Wetzler G, Keddache M, Denson LA. J Pediatr Gastroenterol Nutr. 2009 May;48(5):531-7. doi: 10.1097/MPG.0b013e318183138a.

10. Granulocyte-macrophage colony-stimulating factor autoantibodies in murine ileitis and progressive ileal Crohn's disease. Han X, Uchida K, Jurickova I, Koch D, Willson T, Samson C, Bonkowski E, Trauernicht A, Kim MO,Tomer G, Dubinsky M, Plevy S, Kugathsan S, Trapnell BC, Denson LA. Gastroenterology. 2009 Apr;136(4):1261-71, e1-3. doi: 10.1053/j.gastro.2008.12.046. Epub 2008 Dec 24.

11. Loci on 20q13 and 21q22 are associated with pediatric-onset inflammatory bowel disease. Kugathasan S, Baldassano RN, Bradfield JP, Sleiman PM, Imielinski M, Guthery SL, Cucchiara S, Kim CE, Frackelton EC, Annaiah K, Glessner JT, Santa E, Willson T, Eckert AW, Bonkowski E, Shaner JL, Smith RM, Otieno FG, Peterson N, Abrams DJ, Chiavacci RM, Grundmeier R, Mamula P,Tomer G, Piccoli DA, Monos DS, Annese V, Denson LA, Grant SF, Hakonarson H. Nat Genet. 2008 Oct;40(10):1211-5. doi: 10.1038/ng.203. Epub 2008 Aug 31.

 12. Genetic variants in the autophagy pathway contribute to paediatric Crohn's disease. Peterson N, Guthery S, Denson L, Lee J, Saeed S, Prahalad S, Biank V, Ehlert R, Tomer G, Grand R, Rudolph C, Kugathasan S. Gut. 2008 Sep;57(9):1336-7; author reply 1337. doi: 10.1136/gut.2008.152207. No abstract available.

 13. Electronic clinical challenges and images in GI. Meckel's diverticulum. Zeisler B, Moyer SM, Farrell M, Collins MH, Tomer G. Gastroenterology. 2008 Apr;134(4):e3-4. doi: 10.1053/j.gastro.2008.02.039. No abstract available. Erratum in: Gastroenterology. 2008 Jul;135(1):326.

14.NOD2/CARD15 variants are associated with lower weight at diagnosis in children with Crohn's disease. Tomer G, Ceballos C, Concepcion E, Benkov KJ. Am J Gastroenterol. 2003 Nov;98(11):2479-84.

15. Disorders of bile formation and biliary transport. Tomer G, Shneider BL. Gastroenterol Clin North Am. 2003 Sep;32(3):839-55, vi. Review.

16. Differential developmental regulation of rat liver canalicular membrane transporters Bsep and Mrp2. Tomer G, Ananthanarayanan M, Weymann A, Balasubramanian N, Suchy FJ. Pediatr Res. 2003 Feb;53(2):288-94.