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

Marcus Otho Butler, MD

Individual provider Hematology & Oncology Physician · NPI 1518070101

Marcus Otho Butler, MD is a Hematology & Oncology Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
Specialties on file
2
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

44 Binney Street Dana Farber Cancer Institute
Boston, MA 02115
Phone: (617) 632-2334
Fax: (617) 632-3479
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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 81212 (MA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 81212 (MA)

Record details

NPI number1518070101
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address44 Binney Street, Dana 540, Boston, MA 02115

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