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Professional Statement

  • Dr. William Cheung is an internist, hematologist, and oncologist who practices medicine in Brooklyn, New York. He is certified in hematology, internal medicine, and medical oncology and is currently affiliated with Beth Israel Medical Center.
  • Having received much of his medical education and training in China, he attended the Chinese University of Hong Kong, completed an internship in general surgery and internal medicine at Prince of Wales Hospital, and his residency in neurosurgery at Queen Elizabeth Hospital. In addition, Dr. Cheung completed both an internship and his residency in internal medicine at New York Downtown Hospital, as well as a fellowship in hematology and oncology at St. Luke’s/Roosevelt Hospital Center, also in New York.
  • Patients who visit Dr. Cheung can receive consultations and be treated for a variety of concerns, including cancer screenings, ECGs and EKGs, spleen problems, and anemia.


  • University of Hong Kong.

Board Certifications

  • American Board of Internal Medicine
  • Hematology (Internal Medicine)
  • Medical Oncology (Internal Medicine)

Language Spoken

  • Cantonese