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

Dr. Benjamin Koziner, MD

Individual provider Hematology & Oncology Physician · NPI 1861745796

Dr. Benjamin Koziner, MD is a Hematology & Oncology Physician in Haverhill, Massachusetts. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2012
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

11 Farmington Ave
Haverhill, MA 01832-8608
Phone: (617) 454-4914
Fax: (646) 872-4888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 129332-1 (NY)

Record details

NPI number1861745796
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 16, 2012
Last updated in NPPESOctober 16, 2012
Mailing address11 Farmington Ave, Haverhill, MA 01832-8608

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