Our Providers

Surgeons

Walter A. Koltun, M.D.
Professor of Surgery
Division Chief - Colon and Rectal Surgery

Kevin J. McKenna, M.D.
Associate Professor of Surgery
Division of Colon and Rectal Surgery

Evangelos Messaris, M.D.
Assistant Professor of Surgery
Division of Colon and Rectal Surgery

Lisa S. Poritz, M.D.
Associate Professor of Surgery
Division of Colon and Rectal Surgery

David B. Stewart, M.D.
Assistant Professor of Surgery
Division of Colon and Rectal Surgery
 

Certified Registered Nurse Practitioner

David Brinton, CRNP
Marjorie A. Lebo, CRNP
 

Enterostomal Therapy Nurses

Christine Ardell, RN, BSN, CWOCN
Suzi Follett, RN, BSN, CWOCN
Mary Howe, RN, BSN, CWOCN
Natasha Miller, RN, BSN, CCRN, CWOCN
Diane Paskey, RN, BSN, CWOCN