Pediatric Gastroenterology/Nutrition Fellowship

The Division of Pediatric Gastroenterology, Hepatology and Nutrition at Weill Cornell Medicine offers a three-year fellowship that is approved by the Accreditation Council for Graduate Medical Education (ACGME). Our campus is located in the NewYork-Presbyterian Komansky Children's Hospital on the Upper East Side of Manhattan. Our multidisciplinary team approach provides the highest level of care to the child and their family with all aspects of GI pathology. The mission of the Weill Cornell Medicine Pediatric Gastroenterology Fellowship program is to train physicians to become proficient in the diagnosis and management of children and adolescents with gastrointestinal and liver diseases while providing a meaningful clinical and research experience to develop a successful academic career and foster lifelong learning.

The fellowship is a 3-year program that provides an estimated 18 months of clinical training and 18 months of research experience. The inpatient team service provides consultative services to the NICU, PICU and Pediatric Inpatient unit, We are affiliated with the top ranked NewYork-Presbyterian Komansky Children's Hospital and the NewYork-Presbyterian Center for Advanced Digestive Care (CADC), one of the nation's leading centers for the diagnosis and treatment of childhood digestive diseases. 

Our program provides comprehensive care to diagnosis and treatment of patients with disorders including:

  • Inflammatory Bowel Disease
  • Gastrointestinal motility problems and Functional GI complaints
  • Eosinophilic Esophagitis and other Allergic GI Disorders
  • Pancreatic Disease
  • Celiac Disease
  • Diarrhea
  • Gastroesophageal Reflux Disease
  • Hepatobiliary Disease
  • Feeding Disorders and Nutritional Deficiencies

Fellows gain clinical experience through the care of patients at our comprehensive treatment programs including:

  • Pediatric IBD Center
  • IBD Transition of Care Program
  • Pediatric Motility Center
  • Eosinophilic and Allergic GI Diseases Program
  • Wireless Capsule Endoscopy Curriculum
  • GI Mentor Endoscopy Simulation Curriculum


The philosophy of the clinical time is to concentrate it in the first year and maintain clinical expertise in the second and third year while allowing time to focus on the research component of the program during the latter years.

Year 1

  • Inpatient GI Service (40w)
  • Liver and Small Bowel Transplant (4w)
  • Research (4w)

Year 2

  • Inpatient GI Service (8w)
  • Liver and Small Bowel Transplant (2w)
  • Outpatient Liver (2w)
  • Research (36w)
  • Specialty Electives (Motility, Advanced Endoscopy, GI Pathology, IBD, Other)

Year 3 

  • Inpatient GI Service (4w)
  • Research (40w)
  • Specialty Electives (Nutrition, Motility, Advanced Endoscopy, GI Pathology, IBD, Other) (4w)

Clinical Training

Fellows gain experience in treating patients with common and complicated GI conditions in the outpatient setting. They participate in continuity clinics one session per week and also rotate into specialty faculty clinics during their fellowships.


We offer training in procedural skills including Upper endoscopy, Colonoscopy, Therapeutic Endoscopy (banding, scleroses, cautery, clipping, balloon dilation), Suction Rectal biopsy, Percutaneous Endoscopic Gastrostomy placement, Paracentesis, Liver Biopsy, Esophageal, Colonic and Anorectal Manometry, pH Impedance, Bravo capsule, Wireless capsule endoscopy, Hydrogen and Methane Breath testing.  

Advanced procedures including ERCP and Endoscopic Ultrasound are performed by the Advanced Endoscopy Team of the CADC with our fellows.

Fellows have the unique opportunity to learn endoscopic techniques and enhance their training with our GI Endoscopy Simulator. 


The Department of Pediatrics is affiliated with The Gale and Ira Drukier Institute for Children's Health.  This institute is devoted to bench-to-bedside research to advance new treatments and therapies that target childhood diseases and disorders.  Additionally, through the generosity of Jill Roberts and the Jill Roberts Charitable Foundation, the Jill Roberts Institute for Research in Inflammatory Bowel Disease was established to accelerate new scientific discoveries, enabling personalized translational medicine to better prevent and treat inflammatory bowel disease in patients. Through these major developments and already existing research infrastructure, there are numerous opportunities for outstanding research experiences and mentorship. Fellows will have opportunities for rigorous formal and informal clinical, translational, and basic research training in a wide variety of areas within the Division, Department, and Medical College.

Research Opportunities


  • Fellow Research Education Curriculum
  • Master’s or Certificate in Clinical Translational Investigation

Grant Funding

  • Pediatrics Small Research Grant
  • CTSC KL2 Career Dev Award/Masters CTI
  • Pediatric Young Investigator Award
  • Pediatric Scientist Development Program
  • Burroughs Wellcome Weill Cornell Physician Scientist Program Rockefeller University

The Jill Roberts Institute for Research in Inflammatory Bowel Disease/Pediatric Live Cell Bank

  • David Artis, Ph.D. - Regulation of Immunity and Inflammation at Barrier Surfaces
  • Julie Magarian Blander, Ph.D. - Innate immune mechanisms guiding inflammation
  • Iliyan D. Iliev, Ph.D. - Mycobiota in Mucosal Immunity and Disease
  • Steven M. Lipkin, M.D., Ph.D. - Genetics of Inflammatory Bowel Disease and other GI Disorders
  • Randy Longman, M.D., Ph.D. - Microbial-Host Interactions in IBD
  • Gregory Sonnenberg, Ph.D. - Immune Regulation of Intestinal Health

Gale and Ira Drukier Institute for Children's Health


The educational curriculum is a structured educational program. Through the course of three years, a thorough review of gastrointestinal physiology is completed. Fellows actively participate in the educational series.

Conferences include:

Pediatric GI Grand Rounds         

Clinical Case Conference

Journal Club

Pathology Conference

Radiology Conference

GI-Surg Multidisciplinary Conference

GI-Rheum Joint Conference

Board Review

QI Conference

Divisional Team Meeting

IBD Conference              

Pediatric Fellows Core Curriculum

Pediatric Fellows Research Curriculum

Recent Research Projects

  • Venous Thromboembolism in Pediatric Inflammatory Bowel Disease: A Scoping Review
  • The Impact of Health Literacy on Adolescent and Young Adult Pediatric Liver Transplant Recipients
  • Does Parenting Style Affect Adolescent IBD Transition Readiness and Self-Efficacy Scores?
  • Vitamin and Mineral Deficiencies in Pediatric Patients with Eosinophilic Esophagitis
  •  A Quality Improvement Pathway to Promote Health Equity by Increasing Compliance with Diagnostic Testing Following Telemedicine Visits in an Underserved Population


1.Mallon D, Pohl JF, Phatak UP, Fernandes M, Rosen JM, Lusman SS, Nylund CM, Jump CS, Solomon AB, Srinath A, Singer A, Harb R, Rodriguez-Baez N, Buren KLWV, Koyfman S, Bhatt R, Rodriguez DMS, Sivagnanam M, Lee CK; NASPGHAN Training Committee COVID-19 Survey Working Group. Impact of COVID-19 on Pediatric Gastroenterology Fellow Training in North America. J Pediatr Gastroenterol Nutr. 2020 Apr 30.

2. Robson J, Lusman SS, Lee CK, Merves J, Middleton J, Perez ME, Desai NK, Sayej W, Sivagnanam M, Solomon AB, Colombo JM, Rosen JM, Buren KWV, Brown JB, Turmelle YP, Cerezo CS, Loomes KM, Huang JS, Quiros-Tejeira RE, Benkov K, Leichtner A, Narkewicz MR, Weinstein T, Sauer CG. Pediatric Gastroenterology, Hepatology and Nutrition Entrustable Professional Activities (EPA): Development of an Assessment Tool and Curricular Resources. J Pediatr Gastroenterol Nutr. 2020 Jul;71(1):e40-e45.

3. Fissinger A, Mages K, Solomon AB. Vitamin deficiencies in pediatric eosinophilic esophagitis: A systematic review. Pediatr Allergy Immunol. 2020 May 31.

4. Moore MD, Gray KD, Panjwani S, Finnerty B, Ciecerega T, Afaneh C, Fahey TJ, Crawford CV, Zarnegar R. Impact of procedural multimedia instructions for pH BRAVO testing on patient comprehension: a prospective randomized study. Dis Esophagus. 2020 Jan 16;33(1)

5. Groth DJ, Lakkaraja MM, Ferreira JO, Feuille EJ, Bassetti JA, Kaicker SM. Management of Chronic Immune Thrombocytopenia and Presumed Autoimmune Hepatitis in a Child with IKAROS Haploinsufficiency. J Clin Immunol. 2020 May;40(4):653-657.

6. Barfield E, Deshmukh F, Slighton E, Lentine J, Lu Y, Ma X, Christos PJ, Sockolow RE, Loughlin G, Pillai S. Pulmonary Manifestations in Adolescents With Inflammatory Bowel Disease. Clin Pediatr (Phila). 2020 Jun;59(6):573-579.

7. Chen J, Ferreira J, Martinez M, Lobritto S, Goldner D, Vittorio J. Role of Budesonide for the Treatment of Rejection in Pediatric Liver Transplantation. J Pediatr Gastroenterol Nutr. 2020 Sep;71(3):388-392.

8. Gupta N, Liu C, King E, Sylvester F, Lee D, Boyle B, Trauernicht A, Chen S, Colletti R; ImproveCareNow Network. Continued Statural Growth in Older Adolescents and Young Adults With Crohn's Disease and Ulcerative Colitis Beyond the Time of Expected Growth Plate Closure. Inflamm Bowel Dis. 2020 Jan 22

9. Gupta N, Lustig RH, Andrews H, Sylvester F, Keljo D, Goyal A, Gokhale R, Patel AS, Guthery S, Leu CS. Introduction to and Screening Visit Results of the Multicenter Pediatric Crohn's Disease Growth Study. Inflamm Bowel Dis. 2020 Mar 19

10. Grossman A, Mauer E, Gerber LM, Long MD, Kappelman MD, Gupta N. Black/African American Patients with Pediatric Crohn's Disease Report Less Anxiety and Fatigue than White Patients. J Pediatr. 2020 Oct; 225:146-151.

11. Bessman NJ, Mathieu JRR, Renassia C, Zhou L, Fung TC, Fernandez KC, Austin C, Moeller JB, Zumerle S, Louis S, Vaulont S, Ajami NJ, Sokol H, Putzel GG, Arvedson T, Sockolow RE, Lakhal-Littleton S, Cloonan SM, Arora M, Peyssonnaux C, Sonnenberg GF. Dendritic cell-derived hepcidin sequesters iron from the microbiota to promote mucosal healing. Science. 2020 Apr 10;368(6487):186-189.

12. Tsou AM, Olesen SW, Alm EJ, Snapper SB. 16S rRNA sequencing analysis: the devil is in the details. Gut Microbes. 2020 Sep 2;11(5):1139-1142.

13. Zuar LR, Chien K, Lentine J, Cooley V, Gerber LM, Ward MJ, Keefer L. Does Parenting Style Affect Adolescent IBD Transition Readiness and Self-Efficacy Scores? Children (Basel). 2021 May 4;8(5):367.

14. Gupta N, Lustig RH, Andrews H, Gokhale R, Goyal A, Patel AS, Guthery S, Sylvester F, Siebold L, Leu CS. Clinical Variables Associated With Statural Growth in Pediatric Crohn's Disease Differ by Sex (The Growth Study). Inflamm Bowel Dis. 2021 May 17;27(6):751-759.

15. Nicholson MR, Alexander E, Ballal S, Davidovics Z, Docktor M, Dole M, Gisser JM, Goyal A, Hourigan SK, Jensen MK, Kaplan JL, Kellermayer R, Kelsen JR, Kennedy MA, Khanna S, Knackstedt ED, Lentine J, Lewis JD, Michail S, Mitchell PD, Oliva-Hemker M, Patton T, Queliza K, Sidhu S, Solomon AB, Suskind DL, Weatherly M, Werlin S, de Zoeten EF, Kahn SA; North American Society of Pediatric Gastroenterology and Nutrition Faecal Microbiota Transplantation Special Interest Group. Efficacy and Outcomes of Faecal Microbiota Transplantation for Recurrent Clostridioides difficile Infection in Children with Inflammatory Bowel Disease. J Crohns Colitis. 2022 Jun 24;16(5):768-777.

16. Goc J, Lv M, Bessman NJ, Flamar AL, Sahota S, Suzuki H, Teng F, Putzel GG; JRI Live Cell Bank, Eberl G, Withers DR, Arthur JC, Shah MA, Sonnenberg GF. Dysregulation of ILC3s unleashes progression and immunotherapy resistance in colon cancer. Cell. 2021 Sep 16;184(19):5015-5030.e16.

17. Viladomiu M, Metz ML, Lima SF, Jin WB, Chou L; JRI Live Cell Bank, Guo CJ, Diehl GE, Simpson KW, Scherl EJ, Longman RS. Adherent-invasive E. coli metabolism of propanediol in Crohn's disease regulates phagocytes to drive intestinal inflammation. Cell Host Microbe. 2021 Apr 14;29(4):607-619.e8.


NewYork-Presbyterian Hospital offers a competitive salary and benefits package. All fellows are eligible for housing in modern apartments adjacent to the hospital on the Upper East Side of Manhattan. Rents are subsidized to make cost of living reasonable for a trainee. 


How to Apply

Applications are received via the Electronic Residency Application Service (ERAS). To apply, visit the ERAS website.

Our fellows come from a range of different backgrounds, skillsets, and experiences

We are a team of world-class pediatric providers

Contact Information

Aliza Solomon, D.O., Fellowship Director / Tina Rodriguez, Fellowship Coordinator
Division of Pediatric Gastroenterology & Nutrition 505 East 70th Street, 3rd Floor New York, NY 10065
(646) 962-3869

Pediatrics Weill Cornell Medicine Appointments & Referrals: (646) 962-KIDS (646) 962-5437 Chair's Office: Weill Cornell Medicine 525 E 68th St.
Box 225
New York, NY 10065 (646) 962-5437