Individual provider · Type 1 NPI

John M. Sloan, MD

Hematology (Internal Medicine) Physician · Boston, MA

NPI number 1659345320 Active

Practice location

830 Harrison Ave, 3rd Fl, Moakley Bldg
Boston, MA 02118-2905

Call (617) 638-6428 Map

Fax (617) 638-5756

Mailing address

960 Massachusetts Avenue, Fl 2
Boston, MA 02118-2690

Specialties and licenses

TaxonomyCodeLicense
Medical Oncology Physician 207RX0202X224033 (MA)
Hematology (Internal Medicine) Physician Primary 207RH0000X224033 (MA)
Internal Medicine Physician 207R00000X224033 (MA)

Hematology (Internal Medicine) Physician: An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

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About NPI 1659345320

John M. Sloan, MD's National Provider Identifier is 1659345320, issued on Feb 17, 2006. The primary taxonomy on file is Hematology (Internal Medicine) Physician (207RH0000X), and the practice location is in Boston, MA. The record was last updated on May 20, 2026.