Dr. Kilberg was born and raised in South Florida where she completed her undergraduate and medical school at the University of Miami. She then moved to Philadelphia for Pediatrics Residency at the Children’s Hospital of Philadelphia where she remained for Endocrinology Fellowship. During this time, she completed a Master’s Degree in Medical Education at the University of Pennsylvania and conducted research on the occurrence of hypoglycemia in Cystic Fibrosis with support from the Cystic Fibrosis Foundation.

She is a board-certified pediatrician and is currently an Attending Physician in the Division of Endocrinology and Diabetes and serving as the Director of Education for the Division.

Education and Training

Medical School

MD - University of Miami Leonard M. Miller School of Medicine, Miami, FL


Children’s Hospital of Philadelphia, Philadelphia, PA


Pediatric Endocrinology - Children's Hospital of Philadelphia, Philadelphia, PA

Board Certification

Pediatrics – American Board of Pediatrics

Graduate Degree

MSEd – University of Pennsylvania, Philadelphia, PA

Titles and Academic Titles

Attending Physician

Conditions Treated

Departments and Services

Research Interests

Cystic Fibrosis Related Endocrinopathies and Medical Education


Posters and Presentations


Zofia N. Zysman-Colman#, MDCM; Marissa J. Kilberg, MD#; Victor S. Harrison, MD; Alessandra Chesi, PhD; Struan F. A. Grant, PhD; Jonathan Mitchell, PhD; Saba Sheikh, MBBS, MSCE; Denis Hadjiliadis, MD, MHS; Michael R. Rickels, MD, MS; Ronald C. Rubenstein, MD, PhD; Andrea Kelly, MD, MSCE: Genetic Potential and Height Velocity during Childhood and Adolescence do not Fully Account for Shorter Stature in Cystic Fibrosis. Pediatric Research May 2020 Notes: # indicates co-first authorship.

Marissa J Kilberg, MD, Clea Harris, MD, Saba Sheikh, MBBS, MSCE, Darko Stefanovski, PhD, Marina Cuchel, MD, PhD, Christina Kubrak, RRT-NPS, CCRC, Denis Hadjiliadis, MD, Ronald C Rubenstein, MD, PhD, Michael R Rickels, MD, MS, Andrea Kelly, MD, MSCE, Hypoglycemia and Islet Dysfunction following Oral Glucose Tolerance Testing in Pancreatic Insufficient Cystic Fibrosis, The Journal of Clinical Endocrinology & Metabolism, dgaa448,


Kilberg MJ, Sheikh S, Stefanovski D, Kubrak C, De Leon DD, Hadjiliadis D, Rubenstein RC, Rickels MR, Kelly A.: Dysregulated Insulin in Pancreatic Insufficient Cystic Fibrosis with Post-Prandial Hypoglycemia. Journal of Cystic Fibrosis Page: doi: 10.1016, Aug 2019 Notes: epub ahead of print.

Kilberg MJ, McLoughlin M, Pyle LC, Vogiatzi MG: Endocrine Management of Ovotesticular DSD, an Index Case and Review of the Literature. Pediatric Endocrinology Review 17(1): 110-116, 2019.

Kilberg MJ, and Lord, K, Shah, S.S.,Catallozzi, M., Frank, G., Ronan J: Chapter 8: Endocrinology. The Philadelphia Guide: Inpatient Pediatrics, 3rd Ed. USA: McGraw-Hill, 2019.


Kilberg MJ, Rasooly IR, LaFranchi SH, Bauer AJ, Hawkes CP.: Newborn Screening in the US May Miss Mild Persistent Hypothyroidism. Journal of Pediatrics 192(1): 204-208, Jan 2018.


Orenstein M, Barbouth D, Bodamer OA, Weinreb NJ: Patients with type 1 Gaucher disease in South Florida, USA: demographics, genotypes, disease severity and treatment outcomes. Orphanet Journal of Rare Diseases 9(1): 45, Mar 2014.

Leadership and Memberships

Memberships in Professional Organizations

Pediatric Endocrine Society, Education Committee Member

Division of Endocrinology and Diabetes, Fellowship Education Committee and Program Evaluation Committee

2017 Frank Trojan Courage Award, Children's Hospital of Philadelphia Pediatric Residency Program

2019 Diabetes Presidential Poster Winner, "Hypoglycemia During Mixed Meal Tolerance Testing and Early Glucose Dysregulation in Cystic Fibrosis", Endocrine Society 2019 Meeting