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

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

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

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

Isil Halac, MD
Clinical Associate

Christine Yu, MD
Instructor of Pediatrics

Siri Greeley, MD, PhD

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

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

Tanesha Pierce, RN
Charge Nurse, Endocrinology and Kovler Diabetes Center Clinic

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

Kristen Allen
Diabetes Support Specialist, Kovler Diabetes Center

Adult Clinical Team

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

Roy E. Weiss, MD, PhD
Rabbi Morris I. Esformes Professor
Chief, Section of Endocrinology, Diabetes and Metabolism;
Director, Fellowship Program;
Program Director, General Clinical Research Center (GCRC)

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

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

Plamen Penev, MD, PhD
Assistant Professor of Medicine

Rebecca Brown, MD
Instructor of Medicine

Suma Dronavalli, MD
Instructor of Medicine

Silvana Pannain, MD
Instructor of Medicine

Ann Zmuda, DPM
Instructor of Podiatry

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

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

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

Tanesha Pierce, RN
Charge Nurse, Endocrinology and Kovler Diabetes Center Clinic

Lisa Mossuto, LPN

Kristen Allen
Diabetes Support Specialist, Kovler Diabetes Center

Psychosocial Team

John Rolland, MD

Anne Brennan Malec, PsyD, LMFT

Mary Kelleher, MS, LMFT

Isha Williams, MS, MLFTA

Barb Passman, MSW, LCSW
Adult Social Worker

All of our psychologists are part of the Chicago Center for Family Health an independent affiliate of the University of Chicago.