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Dr. William Grace

Medical Oncology & Hematology

William R. Grace, MD is a board-certified medical oncologist and has been practicing for over forty years.

Dr. Grace received his Bachelor of Science degree at the University of Notre Dame in 1965. Thereafter, he attended the Boston University School of Medicine to obtain his Doctor of Medicine. He completed his internship and residency training at Saint Vincent’s Hospital Medical Center of New York. He completed his fellowship at Dartmouth-Hitchcock Medical Center in New Hampshire specializing in hematology/oncology.

His interest in research led Dr. Grace to the NIH Naval Medical Research Institute in Bethesda, Maryland where he was a Research Associate in Immunology and Experimental Hematology. Dr. Grace was Lieutenant Commander of the Naval Medical Corps and Clinical Associate as the Director of the Armed Forces Bone Marrow Transplant Program.

Dr. Grace was Chief of Cancer Research and Chief of Medical Oncology at St. Vincent's Hospital and Medical Center of New York for nearly two decades.

Highly respected, Dr. Grace is a spokesperson for the American Cancer Society and a past president of the New York Cancer Society. Previously, he has attended to royalty and continuously makes television appearances discussing the latest in hematology and oncology.

Dr. Grace has authored multiple publications in his field and has been named ‘Castle Connolly’s- Top Doctor’ for several years in a row.

Dr. Grace is very health conscious and over the years has completed 34 3 hour marathons and competed in the World Ironman Championship in Kona, Hawaii.

Credentials:  M.D.
Education & Training
   Residency:    Saint Vincent’s Hospital Medical Center of New York
    Medical School:    Boston University School of Medicine
    College:    University of Notre Dame
    Fellowships:    Dartmouth-Hitchcock Medical Center


Lenox Hill Hospital

Patient Reviews

  • "Everyone was professional, kind and caring. Dr. Grace went through my file, examined me and knew exactly what I needed. He was forthright and focused. I feel his expertise and caring was genuine and now have hope that I will be cured. Thank you Dr. Grace and all your staff."
      from Larry 5.0 Stars - (2025-03-02)
  • "The Doctor is so knowledgeable and professional"
      from violet 5.0 Stars - (2025-02-22)
  • "Dr Grace is a caring and brilliant physician who surrounds himself with an excellent team. 5 years ago I was considered a goner, but Dr Grace saved me. God bless and thank you!"
      from Mary 5.0 Stars - (2025-02-16)
  • "I Love This Place Everyone was so Polite and Caring. Dr Grace God Bless You For All You are doing . You are an Awesome Doctor. Thank You Thank you Thank You"
      from Jennifer 5.0 Stars - (2025-02-15)
  • "I was introduced to Dr Grace by Dr Ariel Lederman and good Doctors know other exceptional Doctors.Dr Grace is not only a great Oncologist he also is very knowledgeable with other diseases and various issues with the human body.He is treating me for cancer issues but when other aliments are present that are not associated with his cancer treatments his advice as good as it gets.My 2 hour ride from Connecticut to Long Island is well worth Thank you Dr Grace"
      from John 5.0 Stars - (2025-02-01)
  • "Finest Doctor I have ever had the pleasure of taking care of me."
      from Warren 5.0 Stars - (2024-11-23)
  • "Thank u Dr Grace for always being thorough and for taking care of me and making sure everything is on track with my health. You save my life by making sure every time I see you we go over everything in a thorough manner. You are my number one."
      from evamrose 5.0 Stars - (2024-11-16)
  • "I'm so glad I came there for Doctor William Grace. My visit was well appreciated. Dr.Grace always go over and beyond healing me from my illness. I'm so grateful he is still working with me though my cancer. I don't know what I would do if he retired,that will be deviating for me. It's so hard to find great Doctors like Dr. W. Grace."
      from kelly 5.0 Stars - (2024-10-12)
  • "Dr. grace has been my doctor for over 20 years. He is a wonderful kind talented physician . 20 years ago he was doing targeted therapy which is a standard of care today. He has also treated many members of my family . It is truly an honor to be his patient. Blood and Cancer group are very lucky to have him."
      from Nancy 5.0 Stars - (2024-10-12)
  • "Most satisfied doctor,s appointment in lifetime"
      from Anatoli 5.0 Stars - (2024-09-21)