The gastrointestinal neuroendocrine tumor team at Memorial Sloan Kettering is a multidisciplinary group of doctors that includes surgeons, medical oncologists, radiation oncologists, endocrinologists, nuclear medicine specialists, interventional radiologists, radiologists, and pathologists. Our team of specialists provides comprehensive treatment for patients with neuroendocrine tumors.
Select from the list below to learn more about our neuroendocrine tumor specialists, their education, training, board certifications, current publications, and specific areas of clinical expertise.
Gastroenterology
![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 Hans Gerdes](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/219/1x1/gerdes_1200x1200.jpg?h=cd2a7045)
Attending Physician
![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
![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
![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
Gastrointestinal Surgery (Gastrointestinal Carcinoid Tumors)
![Memorial Sloan Kettering surgeon Vinod Balachandran](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/107173/1x1/balachandran-vinod_200713_05-1200x1200.jpg?h=cd2a7045)
Associate Attending Surgeon
![Michael I. D'Angelica, MD, FACS](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/148/image/d-angelica-michael-1x1.jpg?h=fbf7a813)
Enid A. Haupt Chair in Surgery; Director, Hepatopancreatobiliary Fellowship Program; Director, Surgical Oncology Fellowship Program; Vice Chair, Education
![William R. Jarnagin, MD, FACS](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/301/image/jarnagin-william-1x1.jpg?h=fbf7a813)
Chief, Hepatobiliary Service; Leslie Blumgart Chair in Surgery
![Memorial Sloan Kettering surgeon Emmanouil Pappou](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/147448/1x1/pappou_171107_1200x1200.jpg?h=cd2a7045)
Assistant Attending Surgeon
![Memorial Sloan Kettering surgeon Alice Wei](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/170617/1x1/wei_190121_22_1200x1200.jpg?h=cd2a7045)
Co-Director, Surgical Initiatives, David M. Rubenstein Center for Pancreatic Cancer Research; Associate Professor of Sugery, Weill-Cornell School of Medicine
![Memorial Sloan Kettering surgeon T. Peter Kingham](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/336/1x1/kingham_180608_04_1200x1200_2.jpg?h=cd2a7045)
Director, Global Cancer Disparities Initiatives
![Surgeon Garrett Nash](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/452/1x1/nash_1200x1200.jpg?h=cd2a7045)
Vice Chair of Quality and Safety
![Memorial Sloan Kettering surgeon Vivian E. Strong](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/613/1x1/strong-vivian-240605-01_rtc_1200x1200.jpg?h=cd2a7045)
Iris Cantor Chair in Honor of Dr. Sidney Winawer
Nuclear Medicine (Gastrointestinal Carcinoid Tumors)
![Memorial Sloan Kettering nuclear medicine physician Lisa Bodei](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/132094/1x1/bodei_1200x1200.jpg?h=cd2a7045)
Director of Targeted Radionuclide Therapy
Associate Attending Physician
![Sonia Mahajan](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/261896/1x1/mahajan-sonia-220928-01_1200x1200.jpg?h=cd2a7045)
Assistant Attending Radiologist
![Memorial Sloan Kettering nuclear physician Neeta Pandit-Taskar](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/474/1x1/pandit-taskar_1200x1200.jpg?h=cd2a7045)
Director, Nuclear Medicine Pediatrics
Medical Oncology (Gastrointestinal Carcinoid Tumors)
![Rona D. Yaeger, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/674/1x1/yeager_1200x1200.jpg?h=cd2a7045)
Associate Attending Physician
![Parisa Momtaz, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/109013/1x1/momtaz_1200x1200.jpg?h=cd2a7045)
Medical Director, Strategic Partnerships; Clinical Director, Melanoma Service
![Memorial Sloan Kettering medical oncologist Eileen O'Reilly](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/461/1x1/o-reilly_161213_15_1200x1200.jpg?h=cd2a7045)
Winthrop Rockefeller Endowed Chair of Medical Oncology; Chair, Human Research Protection Program and Institutional Review Board; Co-Director, Medical Initiatives, David M. Rubenstein Center for Pancreatic Cancer Research; Section Head, Hepatopancreaticobi
![Samuel Cytryn](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/292766/1x1/cytryn-samuel-231219-06_rt-1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering medical oncologist Karuna Ganesh](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/133807/1x1/ganesh_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering medical oncologist Ping Gu](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/159925/1x1/gu_180619_08_lowres_1200x1200.jpg?h=cd2a7045)
Associate Attending Physician
![Memorial Sloan Kettering medical oncologist Smita Joshi](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/182113/1x1/joshi-smitha_190916_13_1200x1200_0.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering medical oncologist Maliha Nusrat](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/188545/1x1/nusrat-maliha_191217_14_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![MSK medical oncologist Nitya Raj](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/124600/1x1/raj_1200x1200.jpg?h=cd2a7045)
Clinical Director, Gastrointestinal Oncology Service; Medical Site Director, Laurence S. Rockefeller Outpatient Pavilion at 53rd Street
![Memorial Sloan Kettering medical oncologist Devika Rao](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/178384/1x1/rao-devika_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Leonard Saltz, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/546/image/saltz-leonard-1x1.jpg?h=fbf7a813)
Executive Director for Clinical Value & Sustainability; Head, Colorectal Oncology Section
![Memorial Sloan Kettering medical oncologist Ryan Sugarman](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/179542/1x1/sugarman-ryan_1200x1200.jpg?h=cd2a7045)
Medical Site Director, MSK Nassau; Medical Director, Strategic Partnerships
![Memorial Sloan Kettering medical oncologist Jessica Yang](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/180586/1x1/yang_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Kenneth H. Yu, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/681/image/yu-kenneth-1x1.jpg?h=fbf7a813)
Associate Attending Physician
![Medical oncologist Alice Zervoudakis](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/122686/1x1/zervoudakis_1200x1200.jpg?h=cd2a7045)
Clinical Director, Gastrointestinal Oncology Service
![David Paul Kelsen, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/326/image/kelsen-david-paul-1x1.jpg?h=fbf7a813)
Edward S. Gordon Chair in Medical Oncology
![Memorial Sloan Kettering medical oncologist Diane Reidy Lagunes](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/518/1x1/180221-km-msk-lagunes-26r_1200x1200.jpg?h=cd2a7045)
Vice Chair of Oncology Operations, Regional Care Network; Past President, MSK Medical Staff; Creator and Host, Cancer Straight Talk Podcast
Pathology (Gastrointestinal Carcinoid Tumors)
![Memorial Sloan Kettering pathologist Olca Basturk](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/18182/1x1/basturk_181204_08_1200x1200.jpg?h=cd2a7045)
Attending Pathologist
![Memorial Sloan Kettering Cancer Center pathologist Jamal Benhamida](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/178237/1x1/benhamida_1200x1200.jpg?h=cd2a7045)
Assistant Attending Pathologist
Assistant Attending Physician
![Memorial Sloan Kettering pathologist Carlie Sigel](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/12968/1x1/sigel-carlie_171108_1200x1200.jpg?h=cd2a7045)
Director, Gastrointestinal Pathology Fellowship Program
![Laura H. Tang, MD, PhD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/621/1x1/tang-laura_190729_05-1200x1200.jpg?h=cd2a7045)
Attending Pathologist
Surgery (Pancreatic Neuroendocrine Tumors)
![Memorial Sloan Kettering surgeon Brian Untch](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/34011/image/untch-140710-08-1x1.jpg?h=fbf7a813)
Assistant Attending Surgeon
![Memorial Sloan Kettering surgeon Vinod Balachandran](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/107173/1x1/balachandran-vinod_200713_05-1200x1200.jpg?h=cd2a7045)
Associate Attending Surgeon
![Michael I. D'Angelica, MD, FACS](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/148/image/d-angelica-michael-1x1.jpg?h=fbf7a813)
Enid A. Haupt Chair in Surgery; Director, Hepatopancreatobiliary Fellowship Program; Director, Surgical Oncology Fellowship Program; Vice Chair, Education
![William R. Jarnagin, MD, FACS](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/301/image/jarnagin-william-1x1.jpg?h=fbf7a813)
Chief, Hepatobiliary Service; Leslie Blumgart Chair in Surgery
![Memorial Sloan Kettering surgeon T. Peter Kingham](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/336/1x1/kingham_180608_04_1200x1200_2.jpg?h=cd2a7045)
Director, Global Cancer Disparities Initiatives
![Memorial Sloan Kettering surgeon Emmanouil Pappou](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/147448/1x1/pappou_171107_1200x1200.jpg?h=cd2a7045)
Assistant Attending Surgeon
![Memorial Sloan Kettering surgeon Kevin Soares](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/182644/1x1/soarses_190606_08_1200x1200_0.jpg?h=cd2a7045)
Assistant Attending Surgeon
![Memorial Sloan Kettering surgeon Vivian E. Strong](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/613/1x1/strong-vivian-240605-01_rtc_1200x1200.jpg?h=cd2a7045)
Iris Cantor Chair in Honor of Dr. Sidney Winawer
![Memorial Sloan Kettering surgeon Alice Wei](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/170617/1x1/wei_190121_22_1200x1200.jpg?h=cd2a7045)
Co-Director, Surgical Initiatives, David M. Rubenstein Center for Pancreatic Cancer Research; Associate Professor of Sugery, Weill-Cornell School of Medicine
Medical Oncology (Pancreatic Neuroendocrine Tumors)
![Memorial Sloan Kettering medical oncologist Eileen O'Reilly](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/461/1x1/o-reilly_161213_15_1200x1200.jpg?h=cd2a7045)
Winthrop Rockefeller Endowed Chair of Medical Oncology; Chair, Human Research Protection Program and Institutional Review Board; Co-Director, Medical Initiatives, David M. Rubenstein Center for Pancreatic Cancer Research; Section Head, Hepatopancreaticobi
![Samuel Cytryn](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/292766/1x1/cytryn-samuel-231219-06_rt-1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering medical oncologist Ping Gu](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/159925/1x1/gu_180619_08_lowres_1200x1200.jpg?h=cd2a7045)
Associate Attending Physician
![Memorial Sloan Kettering medical oncologist Smita Joshi](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/182113/1x1/joshi-smitha_190916_13_1200x1200_0.jpg?h=cd2a7045)
Assistant Attending Physician
![David Paul Kelsen, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/326/image/kelsen-david-paul-1x1.jpg?h=fbf7a813)
Edward S. Gordon Chair in Medical Oncology
![Memorial Sloan Kettering medical oncologist Maliha Nusrat](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/188545/1x1/nusrat-maliha_191217_14_1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering medical oncologist Diane Reidy Lagunes](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/518/1x1/180221-km-msk-lagunes-26r_1200x1200.jpg?h=cd2a7045)
Vice Chair of Oncology Operations, Regional Care Network; Past President, MSK Medical Staff; Creator and Host, Cancer Straight Talk Podcast
![Leonard Saltz, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/546/image/saltz-leonard-1x1.jpg?h=fbf7a813)
Executive Director for Clinical Value & Sustainability; Head, Colorectal Oncology Section
Nuclear Medicine (Pancreatic Neuroendocrine Tumors)
![Memorial Sloan Kettering nuclear physician Neeta Pandit-Taskar](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/474/1x1/pandit-taskar_1200x1200.jpg?h=cd2a7045)
Director, Nuclear Medicine Pediatrics
Pathology (Pancreatic Neuroendocrine Tumors)
![Laura H. Tang, MD, PhD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/621/1x1/tang-laura_190729_05-1200x1200.jpg?h=cd2a7045)
Attending Pathologist
Assistant Attending Physician
![Memorial Sloan Kettering pathologist Carlie Sigel](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/12968/1x1/sigel-carlie_171108_1200x1200.jpg?h=cd2a7045)
Director, Gastrointestinal Pathology Fellowship Program
![Memorial Sloan Kettering cytopathologist Xiao-Jun Wei](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/178018/1x1/wei_1200x1200.jpg?h=cd2a7045)
Associate Pathologist
Medical Oncology (Large Cell & Small Cell Gastrointestinal Neuroendocrine Carcinoma)
![Memorial Sloan Kettering medical oncologist Eileen O'Reilly](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/461/1x1/o-reilly_161213_15_1200x1200.jpg?h=cd2a7045)
Winthrop Rockefeller Endowed Chair of Medical Oncology; Chair, Human Research Protection Program and Institutional Review Board; Co-Director, Medical Initiatives, David M. Rubenstein Center for Pancreatic Cancer Research; Section Head, Hepatopancreaticobi
![Samuel Cytryn](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/292766/1x1/cytryn-samuel-231219-06_rt-1200x1200.jpg?h=cd2a7045)
Assistant Attending Physician
![Memorial Sloan Kettering medical oncologist Ping Gu](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/159925/1x1/gu_180619_08_lowres_1200x1200.jpg?h=cd2a7045)
Associate Attending Physician
![Memorial Sloan Kettering medical oncologist Smita Joshi](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/182113/1x1/joshi-smitha_190916_13_1200x1200_0.jpg?h=cd2a7045)
Assistant Attending Physician
![David Paul Kelsen, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/326/image/kelsen-david-paul-1x1.jpg?h=fbf7a813)
Edward S. Gordon Chair in Medical Oncology
![Memorial Sloan Kettering medical oncologist Diane Reidy Lagunes](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/518/1x1/180221-km-msk-lagunes-26r_1200x1200.jpg?h=cd2a7045)
Vice Chair of Oncology Operations, Regional Care Network; Past President, MSK Medical Staff; Creator and Host, Cancer Straight Talk Podcast
![Leonard Saltz, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/546/image/saltz-leonard-1x1.jpg?h=fbf7a813)
Executive Director for Clinical Value & Sustainability; Head, Colorectal Oncology Section
Pathology (Large Cell & Small Cell Gastrointestinal Neuroendocrine Carcinoma)
![Memorial Sloan Kettering pathologist Carlie Sigel](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/12968/1x1/sigel-carlie_171108_1200x1200.jpg?h=cd2a7045)
Director, Gastrointestinal Pathology Fellowship Program
![William D. Travis, MD](https://www.mskcc.org/sites/default/files/styles/width_200_1x1/public/node/638/image/travis-william-1x1.jpg?h=fbf7a813)
Director, Thoracic Pathology
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