

Ezriel Diamond
, M.D.
Dr. Ezriel Diamond is a board-certified radiation oncologist with decades of experience serving the Long Island community. Recognized as a “Top Doctor” in the New York Metropolitan area, he has been a pioneer in the field of radiation oncology on Long Island. Dr. Diamond began his career at North Shore Hospital in Manhasset, where he played a pivotal role in developing the facility’s Radiation Department. He later established his private practice in Plainview, NY, which has grown into the largest freestanding radiation oncology facility in the tri-state area.
Dr. Diamond specializes in the treatment of various malignancies, with particular expertise in breast, lung, prostate, gastrointestinal, and gynecologic cancers. He actively participates in multidisciplinary tumor board conferences in the Long Island area, including those at North Shore-LIJ hospitals. Dr. Diamond was recently honored at the 4th annual Lean-On-Me Cancer Network Gala, alongside his colleague Dr. Shawn Zimberg.
In addition to English, Dr. Diamond is fluent in Yiddish and Hebrew.
Dr. Diamond is dedicated to providing compassionate, patient-centered care, utilizing advanced radiation therapies to achieve optimal outcomes for his patients.
Education
BS: Brooklyn College, New York
MD: NYU School of Medicine, New York, NY
Residency: NYU Medical Center, New York, NY
Fellowship: Methodist Hospital, New York, NY
Professional Memberships
American Society of Therapeutic Radiology and Oncology (ASTRO)
American Society of Clinical Oncology (ASCO)
American College of Radiation Oncology (ACRO)
Metropolitan Breast Cancer Group (New York City)
American Medical Association (AMA)
Long Island Cancer Network (LION)
Hospital Affiliations
North Shore/LIJ Hospital – Plainview
North Shore/LIJ Hospital – Syosset
St. Joseph Hospital – Bethpage
Mount Sinai Medical Center – New York, New York
Office Locations

Advanced Radiation Centers of New York: Plainview (Nassau County)
- 688 Old Country Road , Plainview, NY 11803