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

Frances J. Puleo, M.D.
Assistant Professor of Surgery
Division of Colon and Rectal Surgery

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

Advanced Practice Clinicians

Christine M. Ardell, CRNP
Marjorie A. Lebo, CRNP
Cameron Sweigart, PA-C
 

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

Amy Sheranko, MA

Tina Bender
Gaylene Webber