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A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Nelson:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. John Nelson is Excellent. Dr. Nelson has been reviewed by 5 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Specialties & Research

Dr. John Nelson, MD is board certified in Hematology.

  • He has special expertise in 8 areas:
  • Acute Myeloid Leukemia
  • Anemia
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Hepatitis C
  • Leukemia
  • Myeloproliferative Disorders

Education & Awards

Dr. Nelson graduated from Harvard University , Boston. He has 1 awards.

Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)


Dr. Nelson has 8 hospital affiliations:

  • Westchester Medical Center 
  • Northern Westchester Hospital 


  • Greek
  • French
  • Spanish
  • Portuguese
  • Mandarin
  • Hebrew
  • Polish
  • Korean
  • Italian
  • Hindi

> > > > Dr. John Nelson, MD

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Additional Information
Dr. John C Nelson MD is a male Hematologist, has 40 years of experience and practices in Hematology.
Where does Dr. John C. Nelson practice?
Dr. John Nelson has 1 office location.
Dr. John Nelson practices Hematology near Hawthorne, NY.
See Hawthorne Hematologists.