Changcheng Zhu

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First Name

Changcheng

Last Name

Zhu

NPI

1407936909

Faculty ID

10578

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Full Time

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Adult

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Male

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Off

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Clinical Focus

Thoracic pathology, Head &amp; Neck Pathology, Gynecological Pathology and Lung Transplant Pathology<br /><quillbot-extension-portal></quillbot-extension-portal>

Research Focus

Lung cancer<br />

Elsevier Profile

EMR ID

4827

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Michael Yee

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First Name

Michael

Last Name

Yee

NPI

1699971085

Faculty ID

13771

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Adult

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Male

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Off

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Elsevier Profile

EMR ID

5456

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Kathleen D. Whitney

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First Name

Kathleen

Last Name

Whitney

NPI

1821178328

Faculty ID

6789

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Adult

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Female

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Off

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Elsevier Profile

EMR ID

3851

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Preeti Viswanathan

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First Name

Preeti

Last Name

Viswanathan

NPI

1568721736

Faculty ID

13478

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Full Time

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Pediatric

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Female

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Elsevier Profile

EMR ID

5223

Biography

Dr. Viswanathan received her Medical training at Kempegowda Institute of Medical Sciences in Bangalore, India. She then completed her Pediatric Residency at Miami Children?s Hospital and her fellowship at The Children?s Hospital at Montefiore. She has presented her research at national meetings and has received the Best Research Award at Pediatric Research Day Children?s Hospital at Montefiore 2011.

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Esperanza Villanueva-Siles

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First Name

Esperanza

Last Name

Villanueva-Siles

NPI

1518047018

Faculty ID

10058

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Full Time

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Adult

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Female

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Off

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Elsevier Profile

EMR ID

4730

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Victoria Vapnyar

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First Name

Victoria

Last Name

Vapnyar

NPI

1740556133

Faculty ID

17135

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Adult

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Female

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CHAM Provider

Off

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Elsevier Profile

EMR ID

101619

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Berrin Ustun

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First Name

Berrin

Last Name

Ustun

NPI

1568789394

Faculty ID

13617

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Full Time

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Adult

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Female

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CHAM Provider

Off

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Elsevier Profile

EMR ID

5648

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Audrey M. Uong

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First Name

Audrey

Last Name

Uong

NPI

1518387323

Faculty ID

15425

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Full Time

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Pediatric

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Female

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Clinical Focus

Dr. Uong's&nbsp;clinical focus has been in pediatrics.

Research Focus

The care of hospitalized pediatric patients with asthma has been a main focus of research for Dr. Uong. She is also interested in researching the improvement of transitions of care in hospitalized pediatric patients.

Elsevier Profile

EMR ID

53070

Biography

<p>Audrey M. Uong, MD, is an Attending Physician, Division of Hospital Medicine at Children&rsquo;s Hospital at Montefiore (CHAM) and an Assistant Professor of Pediatrics at our Albert Einstein College of Medicine. Since joining the Montefiore team in 2019, her clinical focus has been in pediatrics.</p><p>In 2008, Dr. Uong received her Bachelor of Arts in Asian Languages and Civilizations from Amherst College. Her studies continued at New York Medical College, where she received her Doctor of Medicine in 2014. Following this, Dr. Uong continued her studies at Albert Einstein Medical College and received her Master of Science in Clinical Research Methods in 2019. She began her postgraduate training in 2014 with a 3-year internship and residency at Cohen Children&rsquo;s Medical Center. She then completed a fellowship in Pediatric Hospital Medicine at CHAM in 2019.</p><p>The care of hospitalized pediatric patients with asthma has been a main focus of research for Dr. Uong. She is also interested in researching the improvement of transitions of care in hospitalized pediatric patients. Her work has been published in numerous peer-reviewed journals and review articles, and has been presented nationally.</p><p>In 2019, Dr. Uong received the CHAM Research Day Oral Presentation Award, given to her from faculty judges for receiving top scores. Dr. Uong is board certified by the American Board of Pediatrics and is a member of numerous professional societies, including the American Academy of Pediatrics and the Academic Pediatric Association.</p>

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Gitit Tomer

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First Name

Gitit

Last Name

Tomer

NPI

1295765618

Faculty ID

11963

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Full Time

Patient Type

Pediatric

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Female

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<p><span><span>Dr. Tomer is the director of the Pediatric Inflammatory Bowel Disease program at the Children's Hospital at Montefiore.&nbsp;</span></span>She is Associate Professor of Clinical Pediatrics. &nbsp;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&rsquo;s Hospital for four years prior to joining the Pediatric GI Division at The Children&rsquo;s Hospital at Montefiore in 2009. Dr. Tomer&rsquo;s research interests include inflammatory bowel diseases, quality improvement work, and capsule endoscopy. &nbsp;</p>

Research Profile

Clinical Profile

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Elsevier Profile

PubMed.gov URL

Selected Publications

<p>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.</p>
<p>2.&nbsp; 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.</p>
<p>3. Improving the timeliness of procedures in a pediatric endoscopy suite. Tomer G, Choi S, Montalvo A, Sutton S, Thompson J, Rivas Y.&nbsp; Pediatrics. 2014 Feb;133(2):e428-33. doi: 10.1542/peds.2013-2316. Epub 2014 Jan 20.</p>
<p>4. 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.</p>
<p>5.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.</p>
<p>&nbsp;6. 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.</p>
<p>7.&nbsp; 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.</p>
<p>&nbsp;8. 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.</p>
<p>9. 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.</p>
<p>10. 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.</p>
<p>&nbsp;11. 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.</p>
<p>&nbsp;12. 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.</p>
<p>13.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.</p>
<p>14. Disorders of bile formation and biliary transport. Tomer G, Shneider BL. Gastroenterol Clin North Am. 2003 Sep;32(3):839-55, vi. Review.</p>
<p>15. 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.</p>
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EMR ID

5262

Biography

<p>Gitit Tomer, MD, is Director of the Pediatric Inflammatory Bowel Disease (IBD) Program at Children&rsquo;s Hospital at Montefiore (CHAM) and Professor of Pediatrics at our Albert Einstein College of Medicine. Dr. Tomer has been a member of the Montefiore team since 2009, with a clinical focus on inflammatory bowel disease, performance improvement and capsule endoscopy.</p><p>Dr. Tomer received her medical degree from Sackler School of Medicine, Tel-Aviv University, in 1995. She completed her Pediatric internship and residency at New York University School of Medicine in 1998, and went on to complete her Pediatric Gastroenterology and Nutrition fellowship at Mount Sinai Medical Center in 2001.</p><p>Dr. Tomer&rsquo;s focus on IBD, performance improvement and endoscopy extend to her research interests. She is the CHAM physician leader of ImproveCareNow, a national collaborative that champions improved care for children and youth with Crohn&rsquo;s disease and ulcerative colitis. Her research in pediatric IBD examines many facets, extending from the racial differences in initial presentation, early treatment and 1-year outcomes in pediatric Crohn&rsquo;s disease, to differences in satisfaction with work-life balance among pediatric gastroenterologists. Dr. Tomer&rsquo;s work has been published in a number of reviewed journals, books, review articles, and abstracts.</p><p>Dr. Tomer is board certified by the American Board of Pediatrics in Pediatric Gastroenterology. She is a member of the American Gastroenterological Association (AGA) and the Crohn's & Colitis Foundation of America (CCFA), and serves as the chair of the Professional Development Committee of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN).</p>

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Aaron Zev Tokayer

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First Name

Aaron

Last Name

Tokayer

NPI

1336220755

Faculty ID

704

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<p>Dr. Tokayer received his B.A. in from Yeshiva College and his M.D. from Albert Einstein College of Medicine of Yeshiva University. &nbsp;He completed an internship and residency at the Bronx Municipal Hospital Center and GI and Hepatology fellowship at Johns Hopkins Medical Center. He received an MHS degree in Clinical Epidemiology from Johns Hopkins School of Public Health. Dr. Tokayer then joined the Montefiore GI Faculty in 1992. He has been involved in the spectrum of clinical patient care, endoscopic interventions and teaching in the GI fellowship program. His areas of interest include clinical practice, patient care and education, endoscopic procedures and interventions, functional GI and motility disorders. He is Director of the GI Motility Lab where studies such as Esophageal Manometry,&nbsp; Esophageal Acid Monitoring and Impedance Testing, Ano-rectal Manometry and Defecatory Testing, Hydrogen Breath Testing for Bacterial overgrowth and Carbohydrate Maldigestion , and studies of gastric and intestinal transit. He works closely with colleagues of the Department of Radiology and Nuclear Medicine as well as the Department of Surgery in diagnosing and treating GI motility disorders.</p>

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