Radiation Oncology

Dr. Walter Choi is a board-certified Radiation Oncologist, highly regarded for his expertise in the field of targeted radiotherapy, including stereotactic radiosurgery, stereotactic body radiotherapy, and brachytherapy, with a particular interest in the treatment of cancers of the lung, prostate, breast, gastrointestinal system, central nervous system, as well as tumors of the eye and orbit.

Dr. Choi received his medical degree from SUNY Downstate College of Medicine in Brooklyn. After a medical internship at Long Island Jewish Medical Center, he returned to complete a residency in Radiation Oncology at SUNY Downstate, where he served as Chief Resident. Subsequently, he completed fellowships in stereotactic radiosurgery and brachytherapy at Beth Israel/Roosevelt Hospital and Montefiore Medical Center.

Dr. Choi is a member of several professional organizations, including the American Society for Radiation Oncology, the American Brachytherapy Society, the Korean American Society for Radiation Oncology, the New York Roentgen Society, the Connective Tissue Oncology Society, and the International Association for the Study of Lung Cancer.

Credentials:  MD
Education & Training
   Residency:    SUNY Downstate
Internships    Long Island Jewish Medical Center
   Medical School:    SUNY Downstate College of Medicine


Patient Reviews

  • "Doctor Choi is very good. Takes his time explaining everything, . Thank you, Doctor choi"
      from Peter 5.0 Stars - (2024-06-09)
  • "Very caring and professional approach to patient care. I felt comfortable and safe. He asked questions and listened to the answers."
      from 5.0 Stars - (2024-05-30)
  • "It’s always a pleasure , when I go see Dr. Choi."
      from Mark 5.0 Stars - (2024-04-19)
  • "Dr. Choi is the BEST! He is very informative. He truly cares about the patient. With all that is going on, Dr. Choi makes me feel very comfortable when seeing him."
      from Hope 5.0 Stars - (2024-04-18)
  • "Nice everything was nice and clean the receptionist they was helpful to me and doctor choice was very helpful and good he answered all my questions thank you all"
      from Pell 5.0 Stars - (2024-04-11)
  • "Dr. Choi was very nice to his patient and explained test data very well in detail with visual demonstration."
      from Carolyne 5.0 Stars - (2024-04-11)
  • "I’ve been seeing Dr Choi for a couple of years. He’s a great Dr. very caring and genuine."
      from Nicole 5.0 Stars - (2024-01-30)