Education and Training

Medical School

MD - Loyola University Chicago, Stritch School of Medicine, Maywood, IL


Pediatrics - New York Presbyterian-Weill Cornell Medical Center, New York, NY


Gastroenterology - Children's Hospital of Philadelphia, Philadelphia, PA

Board Certification

Pediatric Gastroenterology – American Board of Pediatrics
Pediatrics – American Board of Pediatrics

Undergraduate Degree

BA in Molecular Biology - University of Pennsylvania, Philadelphia, PA

Titles and Academic Titles

Attending Physician

Co-Director, Center for Celiac Disease

Director of Physician Well-Being

Assistant Professor of Clinical Pediatrics (Gastroenterology, Hepatology and Nutrition), Perelman School of Medicine at the University of Pennsylvania

Conditions Treated

Departments and Services




Shoshany C, Fahey LM: Intussusception as Rare Presenting Sign of Pediatric Celiac Disease: A Case Series. Journal of Pediatric Gastroenterology, Hepatology and Nutrition 76(3): 343-346, March 2023 Notes: doi: 10.1097/MPG.0000000000003699. Epub 2022 Dec 28.

Alexander E, Stahl M, Weaver A, Devara J, Fahey LM, Singh A, Leonard MM, Weisbrod V, Shull M, Silvester J, Kramer Z, Kerzner B, Liu E, Absah I: The Spectrum of Duodenal Histologic Findings in Patients with Trisomy 21: A Multicenter Study. Journal of Pediatric Gastroenterology, Hepatology and Nutrition 77(2): 184-190, August  2023 Notes: doi: 10.1097/MPG.0000000000003825. Epub 2023 May 12.

Singh A, Kleinhenz J, Brill H, Fahey L, Silvester JA, Sparks B, Verma R, Lee D, Mallon D, Leonard MM: A Clinician's Guide to Gluten Challenge. Journal of Pediatric Gastroenterology, Hepatology and Nutrition Page: online ahead of print, August  2023 Notes: doi: 10.1097/MPG.0000000000003923.


Fahey LM, Chandramouleeswaran PM, Guan S, Benitez AJ, Furuta GT, Aceves SS, Wang M, Liacouras CA, Muir AB, Sleiman PM, Hakonarson H, Spergel JM, Cianferoni A: Food allergen triggers are increased in children with the TSLP risk allele and eosinophilic esophagitis. Clinical Translational Gastroenterology 9(3): 139, March 2018 Notes: doi: 10.1038/s41424-018-0003-x.


Fahey, LM., Robinson, G., Weinberger, K., Giambrone, AE., Solomon, AB.. Correlation Between Aeroallergen Levels and New Diagnosis of Eosinophilic Esophagitis in NYC. J Pediatr Gastroenterol Nutr. 2017 Jan;64(1):22-25.


Miltaha, H., Fahey, L., Sajous, C., Morrison J., Muraskas, J. Influence of Perinatal Factors in Short- and Long Term Outcomes of Infants Born at 23 Weeks of Gestation. Am J Perinatol. 2015; 32(7):627-32.


DeGregoris, L., Engel, M.. Clinical Reasoning: Transient Cervical Cord Swelling in Monomelic Amyotrophy. Neurology. 2014;83;e77-e79.




Coe, Fahey: Nelson Pediatric Board Review (Chapter 29: Clinical Approach to GI Bleed). Elsevier Page: Accepted for publication, 2023.


Fahey, LM., Liacouras CA. Eosinophilic Gastrointestinal Disorders. Pediatric Clinics of North America. Volume 64, Issue 3, June 2017, pages 475-485.

Posters and Presentations


Feigenbaum K, Meighan S, Suresh R, Singh A, Fahey LM, Marks B: Quality of Life in Youth with Type 1 Diabetes and Celiac Disease. International Pediatric Endocrinology Conference, Rotterdam, Netherlands October 2023.


Bierly, P, Benitez, A, Fahey, L, Fusillo, S, Singh, A. : Gastroparesis: A Cause for On-going Symptoms in Celiac Disease.  Presented at both the International Celiac Disease Symposium, Sorrento, Italy and North American Society of Pediatric Gastroenterology, Hepatology and Nutrition, National Meeting, Orlando, FL October  2022.

Chugh, P, Ramharack, L, Bierly, P, Feigenbaum, K, Steinhoff J, Singh, A, Fahey, L. : Quality of Life for Adolescents with Celiac disease: Patient vs Parent Perspectives.  Presented at both the International Celiac Disease Symposium, Sorrento, Italy and North American Society of Pediatric Gastroenterology, Hepatology and Nutrition, National Meeting, Orlando, FL October 2022.

Feigenbaum, K, Adams, K, Singh, A, Fahey, L.: Clinical Follow-up for Children with Celiac Disease and Type 1 Diabetes.  Presented at the International Celiac Disease Symposium, Sorrento, Italy. October 2022.

Krueger, D, Reed, M, Jericho, H, Khavani, N, Absah, I, Silvester, J, Badalyan B, Fahey, L, Leonard, M, Ediger, T, Regis, S, Hajjat, T, Lee, D, Shull, M, Mallon, D.: Presentation of Pediatric Celiac Disease: Phase One Celiac Kids Multicenter Survey Results.  Presented at North American Society of Pediatric Gastroenterology, Hepatology and Nutrition, National Meeting, Orlando, FL October 2022.


Alexander E, Sthal M, Kramer Z, Devara J, Morson t, Regis S, Ramharack L, Weisbrod V, Silvester J, Leonard M, Fahey L, Bierly P, Singh A, Shull M, Kernzer B, Liu E, and Abash I: Non-Celiac Villous Atrophy in Trisomy 21...A Distinctive Enteropathy? Digestive Disease Week, Virtual 2021 Notes: Poster.

Invited Lectures


Fahey L. "Applying a Quality Improvement Framework to Clinician Well-Being Projects", Healthcare Professional Academic Consortium Annual Meeting, Palo Alto, California. May 2023.


Fahey L. "A Conversation with CHOP Celiac Center-A Holistic Approach to Pediatric Celiac Disease Management", Beyond Celiac Virtual Town Hall, Philadelphia PA. Mar 2021.

Awards and Honors

2022-2023, Selected for Physician Leadership Program, Children's Hospital of Philadelphia

2021, Children's Hospital of Philadelphia Division of Gastroenterology Teaching Honor Roll Award

2017, Digestive Disease Week Poster of Distinction

2017, CHOP Research Day Outstanding Patient-Oriented Research Award

2017, Komerov Regional Gastrointestinal Research Competition-2nd place prize

2016, World Congress of Pediatric Gastroenterology, Hepatology and Nutrition Poster of Distinction

2016, World Congress of Pediatric Gastroenterology, Hepatology and Nutrition Young Investigator Travel Grant

2014, New York Presbyterian-Weill Cornell Medical Center Award for Teaching Excellence

2014, New York Presbyterian-Weill Cornell Medical Center Employee of the Month-CARE Award for Outstanding Service

2011, Justin Shaulis Pediatrics Scholarship, Loyola University

2011, American Heart Association Cardiovascular Disease Student Scholarship Award, Loyola University

2011, Graduated with Honors in Research, Bioethics and Professionalism, Loyola University Chicago-Stritch School of Medicine

2007, Honors in Biology, University of Pennsylvania

2003-2004, Dean's List, University of Pennsylvania

Editorial and Academic Positions

Editorial Positions

2021-present, Journal of Pediatric Gastroenterology and Nutrition Reviewer

Academic and Institutional Committees

2023-present, CHOP Well-Being Strategic Planning Workgroup

2023-present, Endoscopy Suite Executive Committee

2023-present, Division of Gastroenterology Wellness Committee

2023-present, Well-Being Leads Committee

2023-present, Chair, Physician Well-Being Committee

2023-present, Peer Review and Professionalism Committee

2022-present, Specialty Care Medical Counsel

2021-present, Peri-Op Steering Committee, Children's Hospital of Philadelphia King of Prussia

2021-present, Specialty Care Oversight Committee

2021-present, GI Division Operations Committee

2021-present, Clinical Care Committee

Leadership and Memberships

Memberships in Professional Organizations


2014-present, North American Society for Pediatric Gastroenterology, Hepatology and Nutrition
 - 2021-present, Celiac Special Interest Group, Sub-committee Leader
 - 2018-present, Celiac Special Interest Group
 - 2021-present, Professional Education Committee


2023-present, Healthcare Professional Well-Being Academic Consortium
2021-present, Society for the Study of Celiac Disease
2021-present, Beyond Celiac
2018-present, Celiac Kids Pediatric Celiac Disease Research Consortium
2014-present, American Gastroenterological Association
2011-present, American Medical Association