Our Providers

Our experts provide integrated care based on best practice standards. They specialize in diabetes care, education and research.

With a full team of pediatric, teen and adult diabetes specialists qualified to treat all areas of diabetes, Kovler is prepared to help every patient. The Center is led by world-renowned physicians, researchers and educators.

Pediatric Clinical Team

Kristen Allen
Diabetes Support Specialist, Kovler Diabetes Center

Dianne Deplewski, MD
Director of Pediatric Endocrinology Training Program, Assistant Professor of Pediatrics

Cathy Eubanks, RN
Clinic Nurse, Endocrinology and Kovler Diabetes Center Clinic

Tiffany Grant, RN, FNP
Associate Director of Clinical Research

Siri Atma W. Greeley, MD, PhD
Assistant Professor of Pediatrics and Medicine

Amy Hess-Fischl, MS, RD, LDN, BC-ADM, CDE
Registered Dietitian, Certified Diabetes Educator
Program Coordinator-Teen Transition Program

Dorit Koren, MD
Assistant Professor of Pediatrics

Elizabeth Littlejohn, MD 
Associate Director, Kovler Diabetes Center, Assistant Professor of Pediatrics

Susan McLaughlin, RN, BSN, CDE
Registered Nurse and Certified Diabetes Educator
Inpatient Diabetes Educator

Rochelle Naylor, MD
Instructor of Medicine

Louis H. Philipson, MD, PhD, FACP
Professor of Medicine and Pediatrics
Director, University of Chicago Kovler Diabetes Center

Christine Yu, MD
Instructor of Pediatrics

Adult Clinical Team

Kristen Allen
Diabetes Support Specialist, Kovler Diabetes Center

George Bakris, MD
Director, Hypertension Clinic, Professor of Medicine

Yolanda Becker, MD
Professor of Surgery

Ronald Cohen, MD
Associate Professor of Medicine
Interim Chief, Section of Endocrinology, Diabetes and Metabolism

Alexandra Dumitrescu, MD, PhD
Assistant Professor of Medicine

David Ehrmann, MD
Director of Education, Kovler Diabetes Center
Director, Center for PCOS; Professor of Medicine

Colleen Flynn, MD
Instructor of Medicine

Tiffany Grant, RN, FNP
Associate Director of Clinical Research

Amy Hess-Fischl, MS, RD, LDN, BC-ADM, CDE
Registered Dietitian, Certified Diabetes Educator
Program Coordinator-Teen Transition Program

Felicia Hernandez, MA
Medical Assistant

Susan McLaughlin, RN, BSN, CDE
Registered Nurse and Certified Diabetes Educator

Lisa Mossuto, LPN
Licensed Practical Nurse

Silvana Pannain, MD 
Assistant Professor of Medicine

Louis H. Philipson, MD, PhD, FACP
Professor of Medicine and Pediatrics
Director, University of Chicago Kovler Diabetes Center

Donna Prost, MS, RD, CDE
Registered Dietitian, Certified Diabetes Educator
Program Coordinator-Adult Diabetes Education Program

Susan Sam, MD
Instructor of Medicine

Robert Sargis, MD, PhD
Instructor of Medicine

Michele Stewart, LPN
Licensed Practical Nurse

Ann Zmuda, DPM
Instructor of Podiatry

Our Fellows 

Milad Abusag, MD
Adult Fellow

Anita Bindal, MD
Adult Fellow

Magdalena Dumin, MD
Pediatrics Fellow

Jessica Hwang, MD
Adult Fellow

Olesya Krivospitskaya, MD
Adult Fellow

Disha Kumar, MD
Adult Fellow

Katie O’Sullivan, MD
Adult & Pediatrics Fellow

Payal Patel, MD
Pediatrics Fellow

Moina Uddin, DO
Pediatrics Fellow

Meltem Zeytinoglu, MD
Adult Fellow

Individual and Family Wellness Team

Maritza Bollain y Goytia
Research Assistant

Kimberly Burdette
Psychology Extern

Tina Drossos, PhD
Assistant Professor
Assistant Director of Child and Adolescent Consultation/Liaison Service

Eye Nguyen, MS
Psychology Extern

Sarah O’Dor
Psychology Extern

Maggie Tunney, MA
Psychology Extern
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