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Headshot of Dr. Mark Grand MD
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4.8
117 Patient Reviews


Languages: English, Spanish

Dr. Mark Grand

Medical Oncology & Hematology

Dr. Mark A. Grand is a board-certified oncologist-hematologist with over three decades of experience.

Dr. Grand earned a bachelor’s in biology from SUNY Albany. He received his Doctor of Medicine at New York Medical College. Dr. Grand completed an internal medicine residency and hematology-oncology fellowship at Berkshire Medical Center. Dr. Grand also completed a fellowship at Brookdale Hospital Medical Center.

Dr. Grand is fluent in Spanish.

Credentials:  MD
Education & Training
   Residency:    Berkshire Medical Center.
   Medical School:    New York Medical College
   College:    SUNY Albany
   Fellowships:    Berkshire Medical Center


  • Locations
  • Hospitals
Rockville Centre Medical Oncology 50 North Park Avenue, 2nd Floor, Rockville Centre, NY 11570 516-336-5255
Valley Stream Medical Oncology 260 Sunrise Highway, 3rd Floor, Valley Stream, NY 11581 718-732-4049
The Brooklyn Hospital Center

Patient Reviews

  • "It was my first time meeting with Dr Grand. He explained the testing that had been done and the results very succinctly. It's been my past experiences that sometimes doctors talk over you he did not. And I was very pleased with the diagnosis also."
      from dennis 4.0 Stars - (2025-11-11)
  • "I like Doctor Grant. He’s Very informative, professional, transparent, and respectful."
      from Rolando 5.0 Stars - (2025-08-31)
  • "Dr Grand is great. Answers all of my questions"
      from Diane 5.0 Stars - (2025-08-22)
  • "Most personable and kind doctor ever!!"
      from Erica 5.0 Stars - (2025-05-31)
  • "Pleasant caring staff"
      from Andrea 5.0 Stars - (2025-05-29)
  • "(Translated by Google) He's a very good doctor. (Original) Es muy bueno doctor"
      from Anderson 5.0 Stars - (2025-05-16)
  • "The new location is gorgeous. Very well decorated. As always Dr.Grand and the staff are very friendly and pleasant."
      from Joyce 5.0 Stars - (2025-05-03)
  • "Dr. Grand is fantastic! So caring and informative"
      from Dawn 5.0 Stars - (2025-05-02)
  • "Dr Grand is more than a caring doctor. He will take the time to discuss any concerns i may have about my treatments. I have a better understanding of what i need to do to keep as healthy as possible."
      from Ed 5.0 Stars - (2025-04-19)
  • "Excellent facility and Dr. Grand was excellent as well as the nurses."
      from Cliff 5.0 Stars - (2025-03-14)

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