Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Carleton Nelson, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1790748192

John Carleton Nelson, MD is a Hematology/Oncology in Hawthorne, New York. Graduated from Harvard Medical School in 1971, 55 years ago. Practices with Westchester Medical Center Advanced Physician Services PC, a 880-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
55
Trained at
Harvard Medical School
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

19 Bradhurst Ave Ste 2100
Hawthorne, NY 10532-2140
Phone: (914) 493-8375
Fax: (914) 347-1832
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 128109 (NY)

Record details

NPI number1790748192
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 8, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 69, Hawthorne, NY 10532-0069

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1971 (55 years in practice)
Group practice Westchester Medical Center Advanced Physician Services Pc — 880 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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