New York Cancer & Blood Specialists Welcomes Medical Oncologist-Hematologist Dr. Rebecca Zweifler
New York, NY, September 02, 2026 --(PR.com)-- New York Cancer & Blood Specialists (NYCBS), one of the Nation’s leading oncology practices, proudly announces the addition of hematologist-oncologist, Dr. Rebecca Zweifler. Beginning September 1, 2026, Dr. Zweifler will be practicing at NYCBS’s office located at 500 W 181st Street, 9th Floor, New York, NY 10033.
“We are excited to welcome Dr. Zweifler to New York Cancer & Blood Specialists,” said Dr. Jeff Vacirca, CEO of NYCBS. “Her commitment to patient education, clinical experience, and dedication to advancing oncology research make her an excellent addition to our team. Her thoughtful approach to communication will further support our mission of providing high-quality cancer care to the diverse communities we serve.”
Dr. Zweifler places a strong emphasis on making complex medical information accessible to patients, explaining difficult concepts clearly, and encouraging questions throughout the care process. Bilingual in English and Spanish, she provides care to patients from a wide range of socioeconomic backgrounds.
Dr. Zweifler earned her Bachelor of Arts from Brown University and her Doctor of Medicine from the University of Connecticut School of Medicine. She completed her Internal Medicine Residency at Lenox Hill Hospital, followed by a fellowship with Northwell Health’s Empire Clinical Research Investigator Program. She completed her Hematology Oncology Fellowship at Morristown Medical Center, where she also served as Chief Fellow.
“Joining New York Cancer & Blood Specialists is an exciting opportunity to continue providing care built around communication, trust, and understanding,” said Dr. Zweifler. “I believe patients should feel comfortable asking questions and confident that they understand their plan of care, and I look forward to bringing that approach to the patients and communities served by NYCBS.”
Throughout her medical career, Dr. Zweifler has contributed to research examining cervical cancer screening, thyroid cancer among Hispanic patients, immunotherapy in older adults, and the use of artificial intelligence in oncology. Her work has resulted in peer-reviewed publications and research presentations. During her time as Chief Fellow, she also oversaw improvements in fellow education and the fellows clinic.
To make an appointment with Dr. Zweifler, please call (212) 396-1174. For more information, please visit nycancer.com.
About NYCBS
New York Cancer & Blood Specialists is a leading oncology practice dedicated to providing world-class, patient-centered, and affordable care to individuals with cancer and blood disorders throughout New York State. With locations across Long Island, New York City, and the Hudson Valley, our mission is to bring world-class cancer care close to home, where patients can heal with the support of family and community.
“We are excited to welcome Dr. Zweifler to New York Cancer & Blood Specialists,” said Dr. Jeff Vacirca, CEO of NYCBS. “Her commitment to patient education, clinical experience, and dedication to advancing oncology research make her an excellent addition to our team. Her thoughtful approach to communication will further support our mission of providing high-quality cancer care to the diverse communities we serve.”
Dr. Zweifler places a strong emphasis on making complex medical information accessible to patients, explaining difficult concepts clearly, and encouraging questions throughout the care process. Bilingual in English and Spanish, she provides care to patients from a wide range of socioeconomic backgrounds.
Dr. Zweifler earned her Bachelor of Arts from Brown University and her Doctor of Medicine from the University of Connecticut School of Medicine. She completed her Internal Medicine Residency at Lenox Hill Hospital, followed by a fellowship with Northwell Health’s Empire Clinical Research Investigator Program. She completed her Hematology Oncology Fellowship at Morristown Medical Center, where she also served as Chief Fellow.
“Joining New York Cancer & Blood Specialists is an exciting opportunity to continue providing care built around communication, trust, and understanding,” said Dr. Zweifler. “I believe patients should feel comfortable asking questions and confident that they understand their plan of care, and I look forward to bringing that approach to the patients and communities served by NYCBS.”
Throughout her medical career, Dr. Zweifler has contributed to research examining cervical cancer screening, thyroid cancer among Hispanic patients, immunotherapy in older adults, and the use of artificial intelligence in oncology. Her work has resulted in peer-reviewed publications and research presentations. During her time as Chief Fellow, she also oversaw improvements in fellow education and the fellows clinic.
To make an appointment with Dr. Zweifler, please call (212) 396-1174. For more information, please visit nycancer.com.
About NYCBS
New York Cancer & Blood Specialists is a leading oncology practice dedicated to providing world-class, patient-centered, and affordable care to individuals with cancer and blood disorders throughout New York State. With locations across Long Island, New York City, and the Hudson Valley, our mission is to bring world-class cancer care close to home, where patients can heal with the support of family and community.
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New York Cancer & Blood Specialists
Mike Scanlon, Marketing Project Manager
631-574-8366
Mike Scanlon, Marketing Project Manager
631-574-8366
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