Neonatology and Newborn Services
Rebecca A. Simmons, MD
Independent provider
Sees newborns through age 1 month
Neonatology and Newborn Services HUP

About me

  • Hallam Hurt Professor in Neonatology
  • Professor of Pediatrics in Obstetrics and Gynecology

Education and training

  • Medical School: University of Arizona College of Medicine
  • Residency: University of Arizona Medical Center
  • Fellowship: UCSF Medical Center and Hospital

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
Dr. Simmons is an independent physician who is not employed by Penn Medicine.

Qualifications and experience

Treatments and Conditions

My research

Stoffers DA, Desai BM, DeLeon DD, Simmons RA Neonatal exendin-4 prevents the development of diabetes in the intrauterine growth retarded rat , Diabetes, 52(3): 2003,734-740


Selak MA, Storey BT, Peterside IE, Simmons RA Impaired oxidative phosphorylation in skeletal muscle of intrauterine growth-retarded rats , Am J Physiol Endocrinol Metab, 285(1): 2003,E130-E137


Chennathukuzhi V, Stein JM, Abel T, Donlon S, Yang S, Miller JP, Allman DM, Simmons RA, Hecht NB Mice deficient for testis-brain RNA-binding protein exhibit a coordinate loss of TRAX, reduced fertility, altered gene expression in the brain, and behavioral changes , Mol Cell Biol, 23(18): 2003,6419-6434


Peterside IE, Selak MA, Simmons RA Impaired oxidative phosphorylation in hepatic mitochondria in growth-retarded rats , Am J Physiol, 285(6): 2003,E1258-1264


Pallotto EK, Macones GA, Simmons R Small for gestational age infants at risk for prolonged hypoglycemia , Epidemiology: 2003


Pallotto EK, Woelnerhanssen B, Macones G, Simmons RA Hypoglycemia in small for gestational age infants: How extensive is the problem and what are the risks? , Pediatr Res, 53: 2003,499A


Simmons RA, Selak MA Intrauterine growth retardation increases oxidative stress and induces mitochondrial DNA deletions in rat ß-cells , Pediatr Res , 53: 2003,804A


Vuguin P, Raab B, Xiaohui-Ma, Liu B, Barzilai N, Stoffers DA, Simmons RA Exendin-4 decreases body weight and improves insulin action in intrauterine growth retarded rats. , Pediatr Res, 53: 2003,877A


Simmons RA, Crutchlow M, Desai BM, Stoffers DA Reduced islet vascularity in intrauterine growth retarded rats , Endocrinology : 2003,PI-295


Simmons, RA Cell glucose transport handling during fetal and neonatal development , Fetal and Neonatal Physiol: 2003