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Howard Greenberg

  • ASSISTANT PROFESSOR Medicine, Hematology and Medical Oncology
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  • Medical Oncology

  • Hematology

  • American Board of Internal Medicine


  • MD, S.U.N.Y., Downstate Medical Center

  • Residency, Internal Medicine
    Mount Sinai Hospital

  • Fellowship, Hematology
    Mount Sinai Hospital

  • Fellowship, Medical Oncology
    Memorial Sloan-Kettering Cancer Center


    Howard J. Greenberg, MD is Assistant Professor of Medicine, Hematology and Medical Oncology at the Icahn School of Medicine at Mount Sinai. His clinical interests include   the treatment of lung, breast, colon, and other gastrointestinal cancers. He cares for patients with lymphoma, myeloproliferative disorders, myelodysplastic syndromes, chronic leukemias, and benign blood disorders including hemochromatosis.

    Working closely with his colleagues in surgical oncology and radiation oncology, Dr. Greenberg takes a collaborative, integrative and personalized approach to the treatment and care of his patients. He is the director of the Mount Sinai Queens Infusion Center, a state-of-the-art treatment center for cancer and blood disorders and an extension of the Tisch Cancer Institute at The Mount Sinai Hospital. He finds his work very rewarding knowing that he can help make a patient’s life better regardless of circumstances.

    Dr. Greenberg is committed to caring for the residents of Queens and has been providing them with quality, compassionate care for 35 years. As part of the community outreach program of Mount Sinai Queens in conjunction with the Sharing and Caring breast support service, he has lectured on breast cancer regularly. He has been the recipient of the esteemed Castle Connolly Top Doctors Award, (2007, 2008, 2010 – 2014) in which he is recognized by his peers as possessing a high level of medical skill and expertise.

    Dr. Greenberg is board-certified in the specialty of internal medicine and the subspecialties of medical oncology and hematology. He received his medical degree from SUNY, Downstate Medical Center and went on to complete a residency in internal medicine at Mount Sinai Hospital. He completed his subspecialty training with a fellowship in hematology at Mount Sinai Hospital and a fellowship in medical oncology

    at the Memorial Sloan-Kettering Cancer Center. At Mount Sinai Queens, he serves as Chair of the Medical Board and also serves on the Tumor Board.

Industry Relationships

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device and biotechnology companies to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their relationships with such companies.

Dr. Greenberg did not report having any of the following types of financial relationships with industry during 2015 and/or 2016: consulting, scientific advisory board, industry-sponsored lectures, service on Board of Directors, participation on industry-sponsored committees, equity ownership valued at greater than 5% of a publicly traded company or any value in a privately held company. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.

Insurance Information

Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).

Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.

Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.

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Mount Sinai Queens Infusion Center
27-15 30th Avenue
Astoria, NY 11102

Tel: 718-808-7375
Fax: 718-278-2941
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Office Hours:
  • Monday 8:00am - 4:30pm
  • Tuesday 8:00am - 4:30pm
  • Wednesday 8:00am - 4:30pm
  • Thursday 8:00am - 4:30pm
  • Friday 8:00am - 4:30pm
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Payment Methods
  • Personal Check
  • Cash