Individual provider · Type 1 NPI

Marcus Otho Butler, MD

Hematology & Oncology Physician · Boston, MA

NPI number 1518070101 Active

Practice location

44 Binney Street, Dana Farber Cancer Institute
Boston, MA 02115

Call (617) 632-2334 Map

Fax (617) 632-3479

Specialties and licenses

TaxonomyCodeLicense
Hematology & Oncology Physician Primary 207RH0003X81212 (MA)
Medical Oncology Physician 207RX0202X81212 (MA)

Hematology & Oncology Physician: An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

32 other providers at this address

Other hematology & oncology physician providers in Boston

See all in Boston →

About NPI 1518070101

Marcus Otho Butler, MD's National Provider Identifier is 1518070101, issued on Aug 16, 2006. The primary taxonomy on file is Hematology & Oncology Physician (207RH0003X), and the practice location is in Boston, MA. The record was last updated on Sep 11, 2025.