Colorectal Surgery Specialists

Sonia Ramamoorthy, M.D.
Chief of Division
Professor

Bard Cosman, M.D.
Professor 

Benjamin Abbadessa, M.D.
Associate Professor 
Director of the Colorectal Ambulatory Clinic Hillcrest

Samuel Eisenstein, M.D.
Associate Professor 
Director of Surgical Inflammatory Bowel Disease (IBD)

Nicole Lopez, M.D.
Associate Professor 
Colorectal Disease Team Leader/ Director of NAPRC

Lisa Parry, M.D.
Associate Professor 
Chair of the Women In Surgery Committee

Shanglei Liu, M.D.
Assistant Professor 
Affiliate Professor of Bioengineering

Karrie Driscoll, M.S.N., A.N.P.-B.C.
Nurse Practitioner 

Ellen Fink, M.S., P.A.
Physician Assistant

Sherley Leasau
Executive Assistant