Treatment Team 

The Ohio State University Medical Center has assembled outstanding faculty, staff and researchers with a single goal of creating a world without diabetes. Learn more about our team:

Kwame Osei MD, Director

Samuel Cataland, MD

Elizabeth Diakoff, MD

Kathleen Dungan, MD

Rajaram Karne, MD  

Vasudevan Raghavan, MD

Dara Schuster, MD

Manuel Tzagournis, MD

Jie Wang, PhD

Trudy Gaillard  RN, PhD

Adjunct Faculty:

Transplant:

Amer Rajab, MD, PhD

Mitchell Henry, MD

Ronald Ferguson, MD, PhD

Bariatric:

Bradley Needleman, MD

Scott Melvin, MD

Cardiovascular:

Vasudevan Raghavan, MD

Clinical Staff:

Karen Wieland, NP, Nurse  Practitioner  
Sarah Taylor, NP, Nurse Practitioner  
Cara Harris, NP,CDE, Nurse Practitioner
Christine Hall, MS, CDE, Clinical Nurse Specialist
Tiffani Rose, RN, CDE 
Sheila Mapes, RN,CDE

Clinical Research Staff:

Elizabeth Dziengelewski,  RD, MS,CDE
Cecelia Casey Boyer,  RN, MS,CDE, CNS
Hollie Breedlove,  RD, MS, CDE
Jocelyn Irwin,  RD, MS
Patricia Greene,  RD, MS
Jan Varga-Spangler,  RN

Clinical Activity Staff with
The Diabetes Education and Insulin Pump Program:

Janet Zappe RN, MS,CDE
Jill Magoto, RN, MS,CDE
Laura Jackson, RN,CDE
Roberta  Edgin, RN,MS,CDE
Julie Bouttamy,  RD