MichaelJZelefskyMD

Vice Chair, Department of Radiation Oncology, Clinical Research Memorial Sloan Kettering Cancer Center

Overview of Dr. Zelefsky

Dr. Michael Zelefsky is a radiation oncologist in New York, NY and is affiliated with multiple hospitals in the area, including Memorial Sloan Kettering Cancer Center and Memorial Hospital for Cancer and allied Diseases. He received his medical degree from Albert Einstein College of Medicine of Yeshiva University and has been in practice 31 years. Dr. Zelefsky accepts several types of health insurance, listed below. He is one of 103 doctors at Memorial Sloan Kettering Cancer Center and one of 27 doctors at Memorial Hospital for Cancer and allied Diseases who specialize in Radiation Oncology. He has more than 100 publications and over 500 citings.

Office
Memorial Sloan Kettering Cancer Center New York
1275 York Avenue
New York, NY 10021
Book by Phone+1(925) 269-9414
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Education & Training

Memorial Sloan Kettering Cancer CenterResidency, Radiation Oncology, 1987 - 1990
Hackensack University Medical Center (Palisades)Internship, Transitional Year, 1986 - 1987
Albert Einstein College of MedicineClass of 1986

Certifications & Licensure

FL State Medical License 2023 - Present
NY State Medical License 1987 - 2024
NJ State Medical License 1997 - 2001
American Board of Radiology Radiation Oncology

Awards, Honors, & Recognition

America's Top Doctors Castle Connolly, 2004-2014
Top Doctors: New York Metro Area Castle Connolly, 2003-2014
New York Magazine: Top Doctors Castle Connolly, 2002-2014
America's Top Doctors for Cancer Castle Connolly, 2005-2013
Super Doctor SuperDoctors.com
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Clinical Trials

Radiation Therapy in Treating Patients With Prostate Cancer Start of enrollment: 1991 Feb 01
Completed
Phase 1
Computer Planned Radiation Therapy in Treating Patients With Prostate Cancer Start of enrollment: 1997 Jun 01
Completed
Phase 2
Cetuximab, Cisplatin, and Radiation Therapy in Treating Patients With Advanced Stage III or Stage IV Head and Neck Cancer Start of enrollment: 1999 Dec 01
Completed
Phase 2
Radiation Therapy With or Without Bicalutamide and Goserelin in Treating Patients With Prostate Cancer Start of enrollment: 2003 May 01
Completed
Phase 3
An Analysis of the Response of Human Tumor Microvascular Endothelium to Ionizing Radiation Start of enrollment: 2004 Aug 01
Completed
Study of Sildenafil Citrate During and After Radiotherapy/Hormone Therapy for Erectile Function Versus Radiotherapy/Hormone Therapy for Prostate Cancer Start of enrollment: 2005 Feb 01
Completed
Phase 3
Prostate Radiation Therapy or Short-Term Androgen Deprivation Therapy and Pelvic Lymph Node Radiation Therapy With or Without Prostate Radiation Therapy in Treating Patients With a Rising Prostate Specific Antigen (PSA) After Surgery for Prostate Cancer Start of enrollment: 2008 Feb 01
Active, not recruiting
Phase 3
Internal Radiation Therapy in Treating Patients With Prostate Cancer Start of enrollment: 2007 Nov 01
Completed
Not Applicable
Feasibility Study of Cone Beam Imaging for Radiation Therapy Treatment Verification Start of enrollment: 2004 Apr 01
Completed
Not Applicable
Study Using High-Dose Single Fraction Image-Guided Radiotherapy for Metastatic Lesions to Soft Tissue Masses, Lymph Node, or Bone Start of enrollment: 2006 Aug 01
Completed
Phase 1
Dose Escalation Study Using Ultra-Hypofractionated, Image-Guided, Intensity-Modulated Radiotherapy in Prostate Cancer Start of enrollment: 2009 May 01
Active, not recruiting
Phase 1
Randomized Study Comparing Two Dosing Schedules for Hypofractionated Image-Guided Radiation Therapy Start of enrollment: 2010 Oct 01
Active, not recruiting
Phase 3
Assessing the Potential for Reduced Toxicity Using Focal Brachytherapy in Early Stage, Low Volume Prostate Cancer Start of enrollment: 2011 May 01
Terminated
Phase 2
Phase 3 Study of ProstAtak® Immunotherapy With Standard Radiation Therapy for Localized Prostate Cancer Start of enrollment: 2011 Sep 01
Active, not recruiting
Phase 3
Trial of ADT and SBRT Versus SBRT for Intermediate Prostate Cancer Start of enrollment: 2017 Mar 28
Completed
Phase 3
Radiotherapy to the Prostate and Dominant Intra-Prostatic Lesion (DIL) Start of enrollment: 2017 Aug 28
Active, not recruiting
Phase 1
A Study of MRI-guided High-dose Radiation Therapy in Prostate Cancer Start of enrollment: 2021 Aug 04
Recruiting
Phase 2
Roles: Contact
A Study of Stereotactic Body Radiotherapy and 177Lu-PSMA-617 for the Treatment of Prostate Cancer Start of enrollment: 2021 Oct 01
Active, not recruiting
Phase 1
Roles: Principal Investigator, Contact
A Study of Stereotactic Body Radiation Therapy and Radium (Ra-223) Dichloride in Prostate Cancer That Has Spread to the Bones Start of enrollment: 2021 Nov 12
Recruiting
Phase 2
Roles: Contact, Principal Investigator
A Study of Stereotactic Body Radiation Therapy (SBRT) Without Androgen Deprivation Therapy (ADT) in People With Unfavorable Intermediate-Risk Prostate Cancer Start of enrollment: 2021 Dec 09
Recruiting
Phase 2
Roles: Contact, Principal Investigator
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Publications & Presentations

PubMed

1 citations
Development of Prostate Bed Delineation Consensus Guidelines for Magnetic Resonance Image-Guided Radiotherapy and Assessment of Its Effect on Interobserver Variability.
Sritharan, K., Akhiat, H., Cahill, D., Choi, S., Choudhury, A., Chung, P., Diaz, J., Dysager, L., Hall, W., Huddart, R., Kerkmeijer, L., Lawton, C., Mohajer, J., Murra...> ;International Journal of Radiation Oncology, Biology, Physics. 2024 Feb 1
Long-term Outcomes from a Phase 1 Dose Escalation Study Using Stereotactic Body Radiotherapy for Patients with Low- or Intermediate-risk Prostate Cancer.
Assaf Moore, Marisa A Kollmeier, Sean M McBride, Nicolas Toumbacaris, Zhigang Zhang, Ahmed Lacy-Elsayegh, Alexandra Dreyfuss, Craig E Grossman, Daniel Gorovets, Michae...> ;European Urology Oncology. 2023 Nov 8
1 citations
Lesion Dosimetry for [Lu]Lu-PSMA-617 Radiopharmaceutical Therapy Combined with Stereotactic Body Radiotherapy in Patients with Oligometastatic Castration-Sensitive Pro...
Milan Grkovski, Joseph A O'Donoghue, Brandon S Imber, George Andl, Cheng Tu, Daniel Lafontaine, Jazmin Schwartz, Maria Thor, Michael J Zelefsky, John L Humm, Lisa Bodei> ;Journal of Nuclear Medicine. 2023 Nov 1
2 citations
Identification of incidental brain tumors in prostate cancer patients via PSMA PET/CT.
Lily A McLaughlin, Onur Yildirim, Marc K Rosenblum, Brandon S Imber, Justin M Haseltine, Michael J Zelefsky, Heiko Schöder, Michael J Morris, William M Rafelson, Simon...> ;Journal of Neuro-Oncology. 2023 Jun 1
2 citations
Salvage prostate brachytherapy in radiorecurrent prostate cancer: An international Delphi consensus study.
Mark T Corkum, Mark K Buyyounouski, Albert J Chang, Hans T Chung, Peter Chung, Brett W Cox, Juanita M Crook, Brian J Davis, Steven J Frank, Ivan Henriquez, Eric M Horw...> ;Radiotherapy and Oncology. 2023 Jul 1
Quantitative longitudinal mapping of radiation-treated prostate cancer using MR fingerprinting with radial acquisition and subspace reconstruction.
Victoria Y Yu, Ricardo Otazo, Can Wu, Ergys Subashi, Manuel Baumann, Peter Koken, Mariya Doneva, Peter Mazurkewitz, Daniel Shasha, Michael Zelefsky, Laura Cervino, Our...> ;Magnetic Resonance Imaging. 2023 Sep 1
1 citations
Deep learning-based dominant index lesion segmentation for MR-guided radiation therapy of prostate cancer.
Josiah Simeth, Jue Jiang, Anton Nosov, Andreas Wibmer, Michael Zelefsky, Neelam Tyagi, Harini Veeraraghavan> ;Medical Physics. 2023 Aug 1
Assessment of Patients With Prostate Cancer and Their Understanding of the International Prostate Symptom Score Questionnaire.
Richard M Gewanter, Jaspreet S Sandhu, Amy L Tin, Jeffrey P Gross, Kathleen Mazzarella, Joanne Urban, Natalia Elsebai, Margaret F Hopkins, Andrew J Vickers, Michael J ...> ;Advances in Radiation Oncology. 2023 Feb 23
3 citations
Quality Metric to Assess Adequacy of Hydrogel Rectal Spacer Placement for Prostate Radiation Therapy and Association of Metric Score With Rectal Toxicity Outcomes.
Craig E Grossman, Michael R Folkert, Stephanie Lobaugh, Neil B Desai, Marisa A Kollmeier, Daniel Gorovets, Sean M McBride, Robert D Timmerman, Zhigang Zhang, Michael J...> ;Advances in Radiation Oncology. 2023 Jan 24
A Multicenter Prospective Trial of Electronic Skin Surface Brachytherapy for Keratinocyte Carcinoma: Early Cosmesis, Quality of Life, and Adverse Events.
Alyce M Kuo, Erica H Lee, Anthony M Rossi, Kishwer S Nehal, Miguel A Cordova, Alexa M Steckler, Ming Lian, Gil'ad Cohen, Zhigang Zhang, Michael J Zelefsky, Michael E K...> ;International Journal of Radiation Oncology, Biology, Physics. 2023 Jul 1
6 citations
SBRT focal dose intensification using an MR-Linac adaptive planning for intermediate-risk prostate cancer: An analysis of the dosimetric impact of intra-fractional org...
Victoria Sarah Brennan, Sarah Burleson, Caroline Kostrzewa, Paola Godoy Scripes, Ergys Subashi, Zhigang Zhang, Neelam Tyagi, Michael J Zelefsky> ;Radiotherapy and Oncology. 2023 Feb 1
Introduction.
Michael Zelefsky> ;Brachytherapy. 2022 Dec 16
1 citations
Consensus Quality Measures and Dose Constraints for Prostate Cancer From the Veterans Affairs Radiation Oncology Quality Surveillance Program and American Society for ...
Abhishek A Solanki, Lindsay L Puckett, Ksenija Kujundzic, Evangelia Katsoulakis, John Park, Rishabh Kapoor, Michael Hagan, Maria Kelly, Jatinder Palta, Leslie K Ballas...> ;Practical Radiation Oncology. 2022 Dec 9
2 citations
Failure Patterns by PSMA PET for Recurrent Prostate Cancer after Prostatectomy and Salvage Radiation.
Brandon S Imber, Stephanie Lobaugh, Sean M McBride, Margaret Hopkins, Marisa Kollmeier, Daniel Gorovets, Victoria Brennan, Luke R G Pike, Richard Gewanter, Borys Mycha...> ;Urology. 2022 Dec 1
3 citations
Combined brachytherapy and ultra-hypofractionated radiotherapy for intermediate-risk prostate cancer: Comparison of toxicity outcomes using a high-dose-rate (HDR) vers...
Marisa A Kollmeier, Daniel Gorovets, Jessica Flynn, Sean McBride, Victoria Brennan, Joel Beaudry, Gilad Cohen, Antonio Damato, Zhigang Zhang, Michael J Zelefsky> ;Brachytherapy. 2022 Jun 17
Are We Ready for Focal Dose Radio-Ablation in the Treatment of Localized Prostate Cancer?
Michael J Zelefsky> ;International Journal of Radiation Oncology, Biology, Physics. 2022 Jun 1
6 citations
Implementation Strategies to Increase Clinical Trial Enrollment in a Community-Academic Partnership and Impact on Hispanic Representation: An Interrupted Time Series A...
Nahomy Ledesma Vicioso, Diana Lin, Daniel R Gomez, Jonathan T Yang, Nancy Y Lee, Andreas Rimner, Yoshiya Yamada, Michael J Zelefsky, Noah S Kalman, Charles E Rutter, R...> ;JCO Oncology Practice. 2022 May 1
7 citations
Local Failure after Prostate SBRT Predominantly Occurs in the PI-RADS 4 or 5 Dominant Intraprostatic Lesion.
Daniel Gorovets, Andreas G Wibmer, Assaf Moore, Stephanie Lobaugh, Zhigang Zhang, Marisa Kollmeier, Sean McBride, Michael J Zelefsky> ;European Urology Oncology. 2023 Jun 1
Radiation therapy foranorectal cancer in patients with a history of prostate radiation therapy.
Lara Hilal, Abraham J Wu, Marsha Reyngold, John J Cuaron, John Navilio, Paul B Romesser, Alexandra Dreyfuss, Sean Yin, Zhigang Zhang, Xing Bai, Sean L Berry, Melissa Z...> ;Frontiers in Oncology. 2022 Jan 1
Enhancing Enrollment of Patients to Radiation Oncology Clinical Trials Across a Multi-Institutional Community-Academic Partnership: An Interrupted Time Series Analysis.
Diana Lin, Daniel R. Gomez, J.T. Yang, Nancy Y. Lee, Andreas Rimner, Yoshiya Yamada, Michael J. Zelefsky, N S Kalman, Charles E. Rutter, Rupesh Kotecha, Minesh P. Meht...> ;International Journal of Radiation Oncology Biology Physics. 2021 Nov 1
Minimum Bladder Reference Contour to Guide Bladder Filling for Prostate Radiotherapy.
Daniel Gorovets, Laura Happersett, Sharif Elguindi, Cesar Della-Biancia, Marisa A. Kollmeier, Sean McBride, Michael J. Zelefsky, Antonio L. Damato> ;International Journal of Radiation Oncology Biology Physics. 2021 Nov 1
8 citations
An international Delphi consensus for pelvic stereotactic ablative radiotherapy re-irradiation.
Finbar Slevin, K. Aitken, Filippo Alongi, Stefano Arcangeli, Eliot Chadwick, Ah Ram Chang, Patrick Cheung, Christopher Crane, Matthias Guckenberger, Barbara Alicja Jer...> ;Radiotherapy and Oncology. 2021 Nov 1
Automated Intrafraction Motion Detection in 3D and Correction Using Monoscopic X-Ray Imaging Improves Accuracy and Efficiency of for High-Dose Prostate SBRT.
Hsiang Chi Kuo, D.M. Lovelock, Daniel Shasha, C. Della Biancia, Antonio L. Damato, Laura Happersett, S.C. Lin, Michael J. Zelefsky, Laura Cervino, Sean L. Berry> ;International Journal of Radiation Oncology Biology Physics. 2021 Nov 1
Does the I-PSS Accurately Assess Urinary Function in Prostate Cancer Patients? Evidence From a Study of Nursing Verification of Patient Answers.
R.M. Gewanter, J. Gross, K. Mazzarella, J. Urban, M. Hopkins, Andrew J. Vickers, Michael J. Zelefsky> ;International Journal of Radiation Oncology Biology Physics. 2021 Nov 1
Quality Metric to Assess Adequacy of Hydrogel Rectal Spacer Placement for Prostate Radiotherapy and Association of Metric Score With Dosimetric and Gastrointestinal To...
Craig Grossman, Michael R. Folkert, Stephanie Lobaugh, Neil Desai, N. Hassan Rezaeian, Marisa A. Kollmeier, Daniel Gorovets, Daniel Shasha, Sean McBride, R.D. Timmerma...> ;International Journal of Radiation Oncology Biology Physics. 2021 Nov 1
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Journal Articles

Development and Validation of a Clinical Prognostic Stage Group System for Nonmetastatic Prostate Cancer Using Disease-Specific Mortality Results from the Internationa...
Michael J Zelefsky, Matthew R Cooperberg, Brian J Davis, Eric M Horwitz, Martha K Terris, Christopher L Amling, Christopher J Kane, Curtiland Deville, Theodore L Dewee..., JAMA Oncology

Press Mentions

Even Low PSA Levels After RT + ADT Can Predict Prostate Cancer OutcomesJune 24th, 2019
PET/CT Imaging + Radiation TherapyOctober 11th, 2017
Augmenix to Unveil New Clinical Data on Its Innovative Absorbable Hydrogel Technology at the 59th Annual Meeting of the American Society for Radiation OncologySeptember 20th, 2017
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Hospital Affiliations

Memorial Sloan Kettering Cancer CenterNew York, New York
Memorial Hospital for Cancer and allied DiseasesBasking Ridge, New Jersey

Insurance Accepted

Aetna Choice POS II
Aetna HMO
Anthem Blue Access PPO
Anthem Blue Preferred HMO
BCBS Blue Card PPO
BCBS Illinois PPO
BCBS Wyoming BlueChoice Personal
CIGNA HMO
CIGNA Open Access
CIGNA PPO
Cofinity PPO
First Health PPO
GHI PPO
Great West PPO
HealthAmerica HealthAssurance PPO
Humana ChoiceCare Network PPO
Medical Mutual of Ohio SuperMed Plus
Medical Mutual of Ohio SuperMed POS
Multiplan PHCS PPO
Multiplan PPO
MVP Healthcare PPO
QualCare HMO
QualCare PPO
United Healthcare - Direct Choice Plus POS
United Healthcare - Direct Options PPO
Please verify your coverage with the provider's office directly when scheduling an appointment