Anal Cancer Doctors, Surgeons and Other Experts

Physician assistant Meredith Riffle, colorectal surgeon Martin Weiser, and nurse Nancy Evans
(From left) Physician assistant Meredith Riffle, colorectal surgeon Martin Weiser, and clinical nurse Nancy Evans are part of the close-knit team who care for people with anal cancer.

No matter your diagnosis, your MSK care team will provide treatments that offer the best chance to cure or control anal cancer while helping you maintain your quality of life.

Memorial Sloan Kettering’s anal cancer doctors, surgeons and other experts are some of the most experienced in the world. We take a collaborative approach to care so that you can benefit from the expertise of not just one doctor or oncologist but an entire team of experts. Our skill and deep level of experience, along with access to top-notch supportive services, means that we can offer you the best care possible.

Learn more about our experts.

Memorial Sloan Kettering radiation oncologist Christopher Crane
Attending Radiation Oncologist
MSK radiation oncologist John Cuaron
Lead Service Chief, External Beam Radiotherapy Service: Regional Care Network
Daniel Gorovets, Memorial Sloan Kettering radiation oncologist
Assistant Attending Radiation Oncologist; Residency Program Director; Brachytherapy Fellowship Associate Program Director
Matthew McMillan
Assistant Attending Physician
Borys R. Mychalczak, MD
Chief, Radiation Oncology, MSK Westchester & MSK Bergen
Marsha Reyngold, MD, PhD
Assistant Attending Radiation Oncologist
MSK radiation oncologist Paul Romesser
Director of Colorectal and Anal Cancer, Department of Radiation Oncology
Memorial Sloan Kettering radiation oncologist Diana Roth O'Brien
Assistant Attending Radiation Oncologist
Memorial Sloan Kettering radiation oncologist Jacob Y. Shin
Assistant Attending Radiation Oncologist
Abraham J. Wu, MD
Vice Chair, Graduate Medical Education Committee
Amulya Yalamanchili, MD
Assistant Attending Physician
Dr. Mohammad Ali Abbass
Assistant Attending Physician; Co-Lead, Inherited GI
Memorial Sloan Kettering surgeon Julio Garcia-Aguilar
Chief, Colorectal Service; Benno C. Schmidt Chair in Surgical Oncology
Georgios Karagkounis
Assistant Attending Surgeon
Surgeon Garrett Nash
Vice President of Quality and Safety
Memorial Sloan Kettering surgeon Emmanouil Pappou
Assistant Attending Surgeon
Philip B. Paty, MD
Attending Surgeon, Talcott Chair for Clinical Excellence
Memorial Sloan Kettering surgeon Iris Wei
Assistant Attending Surgeon
Memorial Sloan Kettering surgical oncologist Martin Weiser
Acting Chair, Department of Surgery; Vice Chair for Faculty Affairs, Department of Surgery; Stuart H.Q. Quan Chair in Colorectal Surgery
Memorial Sloan Kettering colorectal surgeon Maria Widmar
Assistant Attending Surgeon
Memorial Sloan Kettering Medical Oncologist Fiyinfolu Balogun
Assistant Attending Physician
Memorial Sloan Kettering medical oncologist Andrea Cercek
Section Head, Colorectal Cancer; Co-Director, Center for Young Onset Colorectal and Gastrointestinal Cancers
Memorial Sloan Kettering Medical Oncologist Sree B. Chalasani
Associate Attending Physician
Memorial Sloan Kettering medical oncologist Louise Connell
Assistant Attending Physician
Samuel Cytryn
Assistant Attending Physician
Avni Desai, MD
Associate Attending Physician
Andrew S. Epstein, MD
Associate Attending Physician
Memorial Sloan Kettering medical oncologist Zoe Goldberg
Associate Attending Physician
Memorial Sloan Kettering medical oncologist Ping Gu
Associate Attending Physician
Memorial Sloan Kettering medical oncologist Smita Joshi
Assistant Attending Physician
Medical oncologist Jia Li
Associate Attending Physician
Michael May
Assistant Attending Physician
Parisa Momtaz, MD
Medical Director, Strategic Partnerships; Clinical Director, Melanoma Service
Memorial Sloan Kettering medical oncologist Maliha Nusrat
Assistant Attending Physician
Leonard Saltz, MD
Executive Director for Clinical Value & Sustainability; Head, Colorectal Oncology Section
Marina Shcherba, DO
Associate Attending Physician
Memorial Sloan Kettering medical oncologist Ryan Sugarman
Medical Site Director, MSK Nassau; Medical Director, Strategic Partnerships
Dr. Rohit Thummalapalli
Assistant Attending Physician
Anna M. Varghese, MD
Associate Attending Physician
Rona Yaeger
Attending Physician
Memorial Sloan Kettering medical oncologist Jessica Yang
Assistant Attending Physician
Medical oncologist Alice Zervoudakis
Clinical Director, Gastrointestinal Oncology Service
Memorial Sloan Kettering gastroenterologist David Faleck
Director of Inflammatory and Immune-Related Bowel Diseases
Memorial Sloan Kettering gastroenterologist Hans Gerdes
Attending Physician
Emmy Ludwig, MD
Attending Physician
Memorial Sloan Kettering Gastroenterologist Arnold Markowitz
Attending Physician
Dr. Robin Mendelsohn
Co-Director, Center for Young Onset Colorectal and Gastrointestinal Cancers
Memorial Sloan Kettering gastroenterologist Makoto Nishimura
Attending Physician
Memorial Sloan Kettering gastroenterologist Mark Schattner
Chief, Gastroenterology, Hepatology and Nutrition Service
Memorial Sloan Kettering gastroenterologist Pari Shah
Associate Attending Physician
Memorial Sloan Kettering radiologist James L. Fuqua, MD
Associate Attending Radiologist
Marc J. Gollub, MD, FACR
Director, Colorectal Radiology
MSK radiologist Iva Petkovska
Associate Attending Radiologist
Raymond A. Isidro
Assistant Attending Physician; Associate Director, Gastrointestinal Pathology Fellowship Program
Memorial Sloan Kettering surgical pathologist Jinru Shia
Director, Gastrointestinal Pathology
Memorial Sloan Kettering pathologist Carlie Sigel
Director, Gastrointestinal Pathology Fellowship Program
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