300 East 66th StreetFloors 1 - 4New York, NY 10065
Overview of Dr. Iyengar
Dr. Neil Iyengar is a medical oncologist and clinical-translational researcher at Memorial Sloan Kettering Cancer Center (MSKCC) where he specializes in the care of patients with breast cancer. He also holds joint research appointments at the Rockefeller University Center for Clinical and Translational Science and Weill Cornell Medical College (WCMC) in New York. He received his undergraduate and medical degrees from the University of Illinois College of Medicine accelerated program in Chicago. He then went on to complete residency training in Internal Medicine at the University of Chicago followed by fellowship in medical oncology and hematology at MSKCC. Dr. Iyengar studies the role of obesity and inflammation in the development and progression of breast and several other cancers. He is Co-Leader of the MSKCC-WCMC Obesity & Cancer Working Group, a multi-institutional translational research team composed of laboratory scientists and clinicians. This group was the first to report obesity-related inflammation in the breast as a putative mechanism of carcinogenesis. Dr. Iyengar has been recognized for his work by several organizations including the Conquer Cancer Foundation of the American Society of Clinical Oncology, the Breast Cancer Research Foundation, National Comprehensive Cancer Network, the American Association for Cancer Research, and others. He has been invited to present his work at international meetings and he has published several peer reviewed articles. Dr. Iyengar is now expanding his work to develop specific interventions, including diets, exercise programs, and medications, that target adipose tissue inflammation in order to protect patients from its harmful cancer-promoting effects.
Education & Training
Memorial Sloan Kettering Cancer CenterFellowship, Hematology and Medical Oncology, 2011 - 2014
University of ChicagoResidency, Internal Medicine, 2008 - 2011
University of Illinois College of MedicineClass of 2008
Certifications & Licensure
FL State Medical License 2021 - Present
GA State Medical License 2025 - 2027
NY State Medical License 2011 - 2026
NJ State Medical License 2020 - 2025
IL State Medical License 2008 - 2011
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Medical Oncology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification Sunrise Ambulatory Care, Allscripts, 2016-2017
- CMS Meaningful Use Stage 1 Certification Sunrise Ambulatory Care, Allscripts, 2016-2017
- CMS Meaningful Use Stage 1 Certification MyMSK, Memorial Sloan Kettering, 2016-2017
Clinical Trials
- Body Composition and White Adipose Tissue Inflammation Start of enrollment: 2015 Nov 04
- Exercise Treatment With Standard Therapy for Metastatic Breast Cancer Start of enrollment: 2019 Jun 12
- Researching the Effect of Aerobic Exercise on Cancer Start of enrollment: 2019 Jun 20
Publications & Presentations
PubMed
- No serum estradiol changes with 5-alpha reductase inhibitors for late alopecia in cancer survivors: A retrospective cohort study.Michael M Ong, Lavanya Mittal, Mario Lacouture, Stephen Dusza, Allison Gordon
Journal of the American Academy of Dermatology. 2026-03-01 - 1 citationsA High-Fiber Plant-Based Diet in Myeloma Precursor Disorders - Results from the NUTRIVENTION Clinical Trial and Preclinical Vk*MYC Model.Urvi A Shah, Laura Lucia Cogrossi, Juan-Jose Garces, Anna Policastro, Francesca Castro
Cancer Discovery. 2025-12-04 - AMCP Market Insights: Navigating the rapidly changing landscape of ER+/HER2- metastatic breast cancer.Bridget Flavin, Denise Wolff, Laura Bobolts, Gaurang Gandhi, Ryan Haumschild
Journal of Managed Care & Specialty Pharmacy. 2025-10-01
Press Mentions
Weight-Loss Drugs for Polycythemia Vera?September 8th, 2025- Iyengar Joins Winship as Director of Survivorship ServicesJuly 1st, 2025
- Could Weight Loss Jabs Raise Your Risk of Getting Cancer?June 4th, 2025
Grant Support
- Breast White Adipose Tissue Inflammation and Breast Cancer OutcomesKAISER FOUNDATION RESEARCH INSTITUTE2020–2025
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