Education and Training

Medical School

MD - New York University, School of Medicine, New York, NY


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


Pediatric Nutrition - Children's Hospital of Philadelphia, Philadelphia, PA
Gastroenterology, Hepatology and Nutrition - Children's Hospital of Philadelphia, Philadelphia, PA

Board Certification

Pediatrics – American Board of Pediatrics

Additional Training

Clinical Research Certificate - Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA

Titles and Academic Titles

Attending Physician

Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania

Conditions Treated

Departments and Services




Sainath NN, Schall J, Bertolaso C, McAnlis C, Stallings VA. Italian and North American dietary intake after ivacaftor treatment for cystic fibrosis gating mutations. J Cyst Fibros. 2019 Jan; 18(1): 135-143. 10.1016/j.jcf.2018.06.004. PMID: 29983355.


Stallings VA, Sainath N, Oberle M, Bertolaso C, Schall JI. Energy balance and mechanisms of weight gain with ivacaftor treatment of cystic fibrosis gating mutations. J Pediatr. 2018 Oct; 201: 229-237. DOI: 10.1016/j.jpeds.2018.05.018. PMID: 30029855.


Cohen LE, Gordon JH, Popovsky EY, Sainath NN, Feldman HA, Kieran MW, and Gordon CM: Bone density in post-pubertal adolescent survivors of childhood brain tumors. Pediatric Blood and Cancer 58(6): 959-63, June 2012 Notes: doi: 10.1002/pbc.23300.


Dams-Kozlowska H, Sainath N, and Kaplan DL: Construction of a chimeric gene cluster for the biosynthesis of apoemulsan with altered molecular weight. Applied Microbiology and Biotechnology 78(4): 677-683, February 2008 Notes: 

Awards and Honors

2008, Academic Pediatric Society/Society for Pediatric Research Fellowship, School of Medicine, New York University
2007, Phi Beta Kappa, Tufts University

Leadership and Memberships

Memberships in Professional Organizations


2014-present, American Society for Parenteral and Enteral Nutrition