Our faculty and staff members are dedicated to caring for people with gastrointestinal problems ensuing from cancer and its treatment, to studying better ways to diagnose and treat these conditions, and to training physicians in endoscopy, nutrition, and hepatology.
![Hassan Azhari](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/237025/1x1/azhari-hassan_210830_026-1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Jacques Beauvais](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/255571/1x1/beauvais-jacques-220927-012_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering gastroenterologist Delia Calo](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/132643/1x1/calo_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering gastroenterologist David Faleck](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/160327/1x1/faleck_180612_10_1200x1200.jpg?h=cd2a7045)
Director of Inflammatory and Immune-Related Bowel Diseases
![Shaifa Farooqui, PA-C](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/158293/3x2/farooqui-shaifa_171215_25_3x2.jpg?h=10d202d3)
![Memorial Sloan Kettering gastroenterologist & hepatologist Maya Gambarin-Gelwan](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/18027/image/gelwin-gambarin-1x1.jpg?h=fbf7a813)
Associate Attending Physician
![Memorial Sloan Kettering gastroenterologist Hans Gerdes](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/219/1x1/gerdes_1200x1200.jpg?h=cd2a7045)
Attending Physician
![Jeana Joseph, MSN, FNP-BC](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/160780/3x2/joseph_170322_09_3x2.jpg?h=10d202d3)
![Memorial Sloan Kettering gastroenterologist Monika Laszkowska](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/201067/1x1/laszkowska-monika_200715_11_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Alexis Lorge, FNP](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/162502/3x2/alexis-lorge_170322_13_1200x800.jpg?h=10d202d3)
Nurse Practitioner
![Emmy Ludwig, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/397/image/ludwig-emmy-1x1.jpg?h=fbf7a813)
Associate Attending Physician
![Memorial Sloan Kettering Gastroenterologist Arnold Markowitz](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/408/image/markowitz-arnold-1x1.jpg?h=fbf7a813)
Attending Physician
![Memorial Sloan Kettering gastroenterologist Robin Mendelsohn](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/425/1x1/mendelsohn_1200x1200.jpg?h=cd2a7045)
Co-Director, Center for Young Onset Colorectal and Gastrointestinal Cancers
![Jaclyn Newfield](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/139000/3x2/newfield_170223_14_3x2.jpg?h=10d202d3)
Nurse Practitioner
![Memorial Sloan Kettering gastroenterologist Makoto Nishimura](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/157636/1x1/nishimura_180423_03_1200x1200.jpg?h=cd2a7045)
Attending Physician
![Robert Okolie, FNP-BC, MSN](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/162505/3x2/okolie_170322_08_1200x800.jpg?h=10d202d3)
Nurse Practitioner
![Memorial Sloan Kettering Gastroenterologist Vineet Syan Rolston](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/219403/1x1/rolston-vineet_210122_004_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering gastroenterologist Mark Schattner](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/559/1x1/schattner_180912_13_1200x1200.jpg?h=cd2a7045)
Chief, Gastroenterology, Hepatology and Nutrition Service
![Memorial Sloan Kettering gastroenterologist Pari Shah](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/18020/image/pari-shah-1x1.jpg?h=fbf7a813)
Associate Attending Physician
![Moshe Shike, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/579/image/111107-shike-072-1x1.jpg?h=fbf7a813)
Attending Physician