Our Team

Connecticut Children’s diabetes and endocrinology team of board certified physicians, advanced practice nurses and dietitians have expertise across a broad spectrum of endocrine conditions including diabetes, obesity and sexual development disorders.

Karen Rubin, MD
Chief, Diabetes & Endocrinology
Associate Clinical Chair, Pediatrics

Cem Demirci, MD
Medical Director, Diabetes Program

Nancy Street Dunbar, MD, MPH
Clinical Director, Kids’ Center for Bone Health

Elizabeth Estrada, MD
Director, Obesity Center and Fellowship Training Program

Paola Palma-Sisto, MD
Medical Director, Endocrinology
Assistant Dean, Education

Priya Phulwani, MD
Co-Medical Director, Clinic for Disorders of Sexual Development & Gender Identity Program

Susan Ratzan, MD
Coordinator, Faculty Education

Rebecca Riba-Wolman, MD

Melissa Santos, PhD
Psychologist

Christine Trapp, MD

Karen Bucci, APRN, MSN, CDE

Rachel Greenberg, APRN

Erin Martin, APRN-BC, MSN

Nancy Paulhus-Orkin, APRN, MSN, CDE

Comalita Elliott, RN, CDE

Marlene Gatzak, RN

Emily Casciano, RD Diabetes Educator

Lois Matson, RD, CDE

Julie Pedersen, RD, CDE

Gabrielle Riola, RD
Diabetes Educator

Sharon Werner, RD, CDE

Stacey Reicher, LCSW