Individual provider · Type 1 NPI

Leif William Ellisen, MD PHD

Medical Oncology Physician · Boston, MA

NPI number 1225028533 Active

Practice location

55 Fruit St, Grj 904
Boston, MA 02114-2696

Call (617) 724-1399 Map

Fax (617) 726-8623

Mailing address

PO Box 9142, Mass General Physician Organization
Charlestown, MA 02129-9142

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X79659 (MA)
Medical Oncology Physician Primary 207RX0202X79659 (MA)

Medical Oncology Physician: An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

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About NPI 1225028533

Leif William Ellisen, MD PHD's National Provider Identifier is 1225028533, issued on Oct 27, 2005. The primary taxonomy on file is Medical Oncology Physician (207RX0202X), and the practice location is in Boston, MA. The record was last updated on Oct 22, 2012.