Department of Surgery Divisions

Department Chair

Merril T. Dayton, MD
Chair, Department of Surgery
100 High Street
Buffalo, NY 14203
P: 716-859-3779
F: 716-859-7349
Contact: Donna Christiansen, Administrative Assistant
Email: mdayton@buffalo.edu

EDUCATIONAL AREAS

Residency Program
James M. Hassett, MD
Program Director, General Surgery Residency Program
Chief, Surgical Services - KALEIDA Health
Hospital: KALEIDA Health-Buffalo General Hospital Site
Appointment: Professor
P: 716-859-1112
F: 716-859-1829
Email: jhassett@kaleidahealth.org

Student Programs
Judy L. Smith, MD
Assistant Vice-President of Medical Affairs - RPCI
Director of Surgical Clerkships - SUNY
Hospital: Roswell Park Cancer Institute
Appointment: Assistant Professor/Roswell Park Division
P: 716-845-7724
F: 716-845-8057
Email: Judysmith@roswellpark.org

James M. Hassett, MD
Course Coordinator, 4th Year Medical Students
Hospital: Buffalo General Hospital
Appointment: Professor
P: 716-859-1112
F: 716-859-1829
Email: jhassett@kaleidahealth.org

DIVISIONS

Cardiothoracic Surgery
UNFILLED

Colo-Rectal Surgery
Mahmoud N. Kulaylat, MD
Chief, Div. of Colo-Rectal Surgery - SUNY Buffalo
Hospital: KALEIDA Health-Buffalo General Hospital Site
Appointment: Associate Professor
P: 716-859-2244
F: 716-859-1829

Pediatric Surgery
Michael G. Caty, MD
Chief, Div of Pediatric Surgery
Program Director – Pediatric Surgery Fellowship Program
Hospital: Women and Children’s Hospital of Buffalo
Appointment:
P: 716-878-7802
F: 716-888-3850
Email: caty@buffalo.edu

Surgical Critical Care
William J. Flynn, MD
Chief, Div of Critical Care - SUNY Buffalo
Director of Trauma ICU - Erie County Medical Center
Hospital: Erie County Medical Center
Appointment: Associate Professor
P: 716-898-5283
F: 716-898-5029

Surgical Oncology
Constantine Karakousis, MD
Hospital: KALEIDA Health - Millard Fillmore Gates Site
Appointment: Professor
P: 716-887-4806
F: 716-887-4220
Email: ckarakousis@kaleidahealth.org

Trauma Services
Roger W. Seibel, MD
Chief, Trauma Division - SUNY Buffalo
Chief, Surgical Services - Erie County Medical Center
Director of Burn Treatment - Erie County Medical Center
Director of Trauma Services - Erie County Medical Center
Hospital: Erie County Medical Center
Appointment: Clinical Professor
P: 716-898-5283
F: 716-898-5029
E: rseibel@ECMC.edu

Vascular Surgery
Linda M. Harris, MD
Chief, Vascular Surgery - SUNY Buffalo
Program Director - Vascular Surgery Fellowship Program
Hospital: KALEIDA Health - Millard Fillmore Hospital Site
Veterans' Administration Medical Center
Appointment: Assistant Professor
P: 716-887-4806
F: 716-887-4220
E: lharris@kaleidahealth.org