
530 East 74th StreetNew York, NY 10021
Overview of Dr. Horwitz
Dr. Steven Horwitz is an oncologist in New York, NY and is affiliated with multiple hospitals in the area, including Memorial Sloan Kettering Cancer Center, NYC Health + Hospitals / Bellevue, New York-Presbyterian Hospital, and Memorial Hospital for Cancer and allied Diseases. He received his medical degree from Case Western Reserve University School of Medicine and has been in practice 33 years. Dr. Horwitz accepts several types of health insurance, listed below. He is one of 526 doctors at Memorial Sloan Kettering Cancer Center and one of 65 doctors at NYC Health + Hospitals / Bellevue who specialize in Oncology. He has more than 100 publications and over 500 citings.
Education & Training
Stanford Health Care-Sponsored Stanford UniversityFellowship, Medical Oncology, 1997 - 1999
University of Rochester Medical CenterResidency, Internal Medicine, 1993 - 1996
Case Western Reserve University School of MedicineClass of 1993
Certifications & Licensure
CA State Medical License 1997 - Present
FL State Medical License 2021 - Present
NJ State Medical License 2019 - 2027
NY State Medical License 1995 - 2027
CT State Medical License 2024 - 2026
PA State Medical License 2022 - 2026
NC State Medical License 2020 - 2022
American Board of Internal Medicine Medical Oncology- Join now to see all
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification MyMSK, Memorial Sloan Kettering, 2016-2017
- CMS Meaningful Use Stage 1 Certification Sunrise Ambulatory Care, Allscripts, 2016-2017
- America's Top Doctors Castle Connolly, 2010-2014
Clinical Trials
- MDX-060 Monoclonal Antibody in Treating Patients With Refractory or Relapsed Lymphoma Start of enrollment: 2003 Jan 01
- Liposomal Doxorubicin Followed By Bexarotene in Treating Patients With Cutaneous T-Cell Lymphoma Start of enrollment: 2005 Nov 01
- Clofarabine in Treating Patients With T-Cell or Natural Killer-Cell Non-Hodgkin's Lymphoma That Has Relapsed or Not Responded to Previous Treatment Start of enrollment: 2006 Jun 27
Publications & Presentations
PubMed
- Non-JAK-family gene fusions in cutaneous T-cell lymphoma highlights genetic diversity and potential therapeutic targets.Robert Stuver, Haiming Tang, Ahmet Dogan, Zachary D Epstein-Peterson, Shamir Geller
Haematologica. 2026-03-19 - 1 citationsCXCL9 as a novel prognostic marker to identify high-risk adults with hemophagocytic lymphohistiocytosis.Joseph M Rocco, Joseph H Oved, Rikita J Patel, A Zara Herskovits, Namitha Nair
Blood. 2026-02-26 - CD19 CAR T-Cell Therapy in Primary Cutaneous Diffuse Large B-Cell Lymphoma, Leg Type.Silvia Escribano-Serrat, Ofrat Beyar-Katz, Roni Shouval, Parastoo B Dahi, Sigrun Einarsdottir
American Journal of Hematology. 2026-01-30
Journal Articles
- Pembrolizumab in Mycosis Fungoides and Sézary Syndrome: Updated Results of the CITN Multicenter Phase 2 StudyMichael S Khodadoust, Pierluigi Porcu, Francine Foss, Andrei R Shustov, Satish Shanbhag, Lubomir Sokol, Steven M Horwitz, Elad Sharon, European Journal of Cancer
- TCR‐Δ Expression and Γδ+ T‐Cell Infiltrates in Primary Cutaneous Gamma‐Delta T‐Cell Lymphoma and Other Cutaneous T‐Cell Lymphoproliferative DisordersPatricia Myskowski, Melissa Pulitzer, Steven Horwitz, Meenal Kheterpal, Shamir Geller, Allison Moskowitz, Histopathology
Abstracts/Posters
- Expectant Management of Extranodal Marginal Zone Lymphoma of Bronchial-Associated Lymphoid Tissue (BALT)Steven M. Horwitz, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/8/2019
- Genomic Profiling of Mantle Cell Lymphoma Suggests Poor-Risk Profile Is Present at Diagnosis and Does Not Arise By Tumor EvolutionSteven M. Horwitz, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/7/2019
- A Phase 1/1b Dose-Escalation Trial Evaluating Cpi-818, an Oral Interleukin-2-Inducible T-Cell Kinase Inhibitor, in Subjects with Relapsed/Refractory T-Cell LymphomaSteven M. Horwitz, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/9/2019
Lectures
- Dose Optimization of Duvelisib in Patients with Relapsed or Refractory Peripheral T-Cell Lymphoma from the Phase 2 Primo Trial: Selection of Regimen for the Dose-Expan...61st Annual American Society of Hematology Meeting - Orlando, FL - 12/7/2019
- New Directions in Treating Peripheral T-Cell Lymphomas: Expert Guidance and Case Discussions61st Annual American Society of Hematology Meeting - Orlando, FL - 12/7/2019
- Superior Clinical Benefit of Brentuximab Vedotin in Mycosis Fungoides Versus Physician's Choice Irrespective of CD30 Level or Large Cell Transformation Status in the P...2018 ASH Annual Meeting - San Diego, CA - 12/1/2018
Authored Content
- Pembrolizumab in Mycosis Fungoides and Sézary Syndrome: Updated Results of the CITN Multicenter Phase 2 StudyAugust 2018
Press Mentions
Did the Covid Jab Make a Famous Doctor’s Cancer WORSE?September 30th, 2022
New Combo Therapy for Breast Implant–Associated LymphomaJanuary 18th, 2022
Verastem Oncology to Present Phase 2 PRIMO Study Data Evaluating Duvelisib in Relapsed or Refractory Peripheral T-cell Lymphoma at the American Society of Hematology 2019 Annual MeetingNovember 6th, 2019
Insurance Accepted
- Aetna Choice POS II
Aetna HMO
Anthem Blue Access PPO
Anthem Blue Preferred HMO
BCBS Blue Card PPO
BCBS Illinois PPO
CIGNA HMO
CIGNA Open Access
CIGNA PPO
Empire BCBS HMO
Empire BCBS PPO
GHI PPO
Great West PPOHumana ChoiceCare Network PPO
Medical Mutual of Ohio SuperMed Plus
Medical Mutual of Ohio SuperMed POS
Multiplan PHCS PPO
Multiplan PPO
MVP Healthcare PPO
Oxford Health Freedom
Oxford Health Liberty
QualCare HMO
QualCare PPO
Sagamore Health Plus
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
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