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Dr. Ramsey Asmar

Medical Oncology & Hematology

Dr. Ramsey Asmar is board-certified in Hematology and Oncology.

Dr. Asmar is a seasoned practitioner dedicated to providing the highest quality, patient-centric care with great compassion. He treats all malignancies and blood disorders, with a focus on lung cancer and gastrointestinal malignancies.

After earning his undergraduate degree at Stanford University, Dr. Asmar attended Wayne State University Medical School, where he graduated with distinction. He then completed his Internal Medicine Residency at the University of Michigan. During his four years on the clinical faculty at Michigan, he served as the Director of their Hematology Hospitalist program.

Dr. Asmar completed his Hematology/Oncology Fellowship at Columbia University Medical Center / New York Presbyterian Hospital. While at Columbia, he authored several peer-reviewed articles, helped design clinical trials, and led various research initiatives for novel strategies in the treatment of lung cancer.

Credentials:  MD
Education & Training
   Residency:    University of Michigan
    Medical School:    Wayne State University Medical School
    College:    Stanford University


Maimonides Medical Center
Mount Sinai Brooklyn
The Brooklyn Hospital Center

Patient Reviews

  • "Dr R Asmar is the best Oncologist ever."
      from Joan 5.0 Stars - (2025-02-21)
  • "Excellent care!! I am well taken care of and feel very comfortable with the treatment and consultations. I also believe that the patient care I have received is above and beyond. I have so much gratitude to Dr Asmar and the staff."
      from Jose 5.0 Stars - (2025-02-08)
  • "Dr. Asmer is amazing! He is patient and compassionate and talks very gently. He tries to understand the problem and offer help accordingly. The staffs here are also helpful and kind. Would definitely recommend!"
      from Shakila 5.0 Stars - (2025-02-05)
  • "Dr.Asmar assistant was very good, she made me comfortable and gave me the reAlso sults of my blood test.i was impressed. Also all the nurses the were very professional and friendly it's always a pleasure."
      from Patsy 5.0 Stars - (2025-02-04)
  • "I’m a patient of Doctor Asmar Ramsey for more than a year now and he is knowledgeable, soft spoken and has a great bedside manner. He doesn’t rush any of my appointments. All the staff are very nice and accommodating. I highly recommend Doctor Asmar for your health care."
      from Guillerma 5.0 Stars - (2025-02-04)
  • "First I have to comment on the parking facility, wonderful!!! Now the professional reception staff, awesome. Dr. Asmar, has been a guiding light to my confidence in my health. Since he has joined my wellness team, I’m making progress that up to his joining ,the information about my condition was unknown."
      from Danielle 5.0 Stars - (2025-01-29)
  • "We are incredibly grateful to have found such an outstanding oncologist for my father and uncle. He is an extremely professional doctor who consistently acts in the best interest of his patients. His expertise and dedication are evident in every step of the treatment process, and he takes the time to explain everything clearly and with compassion. Not only is he exceptional, but his staff also reflects the same level of professionalism and care. Everyone in the office is kind, attentive, and supportive, creating a positive and comforting environment during what can be a challenging time. We deeply appreciate the level of care and attention they have provided to our family. I highly recommend this doctor and his wonderful team to anyone in need of excellent oncological care."
      from Nargiza 5.0 Stars - (2025-01-20)
  • "I appreciate the professionalism"
      from Tyrone 5.0 Stars - (2025-01-17)
  • "My Dad's intered into Doctor Ramsey care in july 2024, afterbeing diagnosis with stomach cancer. Everyone cancer journey will be different, but from the 1st consultation til today Jan. 2025, Doctor Ramsey has given us so much confidence to be hopeful of a full recovery for my dad. He and the team at the treatment center, local here in Brooklyn, have given my dad such quality service while maintaining the highest level of care. The treatment plan was tailored to my dads diagnosis and to date he is on his way to pushing the Cancer into remission. Cancer is a life long battle after your diagnosis, we as a family are very lucky to have Doctor Ramsey and his team guiding our family."
      from Alia 5.0 Stars - (2025-01-17)
  • "When you go to the store clinic you don't even know that you are at the doctor office until you get inside they make you feel welcome"
      from Yanick 4.0 Stars - (2025-01-16)