Our Team

Please see below for contact information for The Susan and Leonard Feinstein Inflammatory Bowel Disease Clinical Center at Mount Sinai.

Directors
Jean Frédéric Colombel, MD, Co-Director 
Marla Dubinsky, MD, Co-Director

Division of Gastroenterology
Ashish Atreja, MD 
Mark L. Chapman, MD 
Benjamin Cohen, MD 
Louis Cohen, MD
Ari Grinspan, MD
David Greenwald, MD
Steven Itzkowitz, MD
Laurie Keefer, PhD
James F. Marion, MD
Elana Maser, MD
Josh Novak, MD
Ioannis Oikonomou, MD
Gina Sam, MD
Bruce Sands, MD
Thomas Ullman, MD
Ryan C. Ungaro, MD

Division of Pediatric Gastroenterology
Keith Benkov, MD 
David Dunkin, MD
Joanne Lai, MD
Nanci Pittman, MD
Jacqueline Jossen, MD

Surgeons
Alexander Greenstein, MD 
Sergey Khaitov, MD
Randolph Steinhagen, MD 
Patricia Sylla, MD

Stoma Nurse/WOC
Cheryl B. Lloyd, RN, BSN, COCN, CCCN
Irma Rivera, RN, MPH, CWOCN
Alexis Sherman, RN, BSN, CWOCN

Nurse Practitioners/Registered Nurses
Blossom Hashemi, FNP
Nicole Thomas, FNP

Nutrition
Laura Manning, RD

Social Services
Karen Conlon, LMSW

Research Coordinators
Elijah Bernstein
Annabella Castilla, RN, MPH (Senior Research Coordinator)
Sari Feldman
Drew Helmus
Meredith Kline
Josephine Mitcham
Amy Nolan
Keisha Paul
Becky Phan
Pamela Reyes-Mercedes
Jonathan Washington

Contact Us

Susan and Leonard Feinstein IBD Clinical Center
17 East 102nd Street
5th Floor
New York, NY 10029

Phone: 212-241-8100
Fax: 646- 537-8921

 

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