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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. GEORGE PETER CANELLOS MD
NPI 1114908027
Internal Medicine - Hematology & Oncology in Boston, MA

Active since November 08, 2005
100 BLOSSOM ST, COX 460, BOSTON, MA 02114(617) 726-8314 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. George Peter Canellos Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GEORGE PETER CANELLOS MD (NPI 1114908027) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (27223) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1114908027
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. GEORGE PETER CANELLOSCredential: MD
Location Address100 BLOSSOM ST, COX 460Boston, MA 02114-2606
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-8314
Sole ProprietorNo
Enumeration DateNovember 8, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1114908027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MA · 27223
Definition
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 27223 (MA)
100 BLOSSOM ST, Boston, MA 02114
Open in Google Maps ↗

Other Identifiers 3

Medicaid2046377MA
OtherM08957MA · Bcbs Ma
Other764171MA · Tufts Health Plan

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. PAUL MARTIN BUSSE PHD MD
Radiology (Therapeutic Radiology)
100 BLOSSOM ST, COX LL
BOSTON, MA 02114
Suffolk County (617) 724-1548
MISS LEANNE NASSAR WINES PA-C
Physician Assistant (Medical)
100 BLOSSOM ST, COX 630
BOSTON, MA 02114
Suffolk County (617) 724-4810
DR. ROBY P BHATTACHARYYA MD, PHD
Internal Medicine
100 BLOSSOM ST, MASSACHUSETTS GENERAL HOSPITAL, COX-5
BOSTON, MA 02114
Suffolk County (617) 726-2066
DR. TORUNN YOCK MD
Radiology (Radiation Oncology)
100 BLOSSOM ST, COX 3
BOSTON, MA 02114
Suffolk County (617) 724-1548
MS. MAUREEN TERESA DORAN RN, MPH
Registered Nurse
100 BLOSSOM ST, COX 5-506C
BOSTON, MA 02114
Suffolk County (617) 642-3991
DR. MELIN JANARDAN KHANDEKAR M.D., PH.D.
Radiology (Radiation Oncology)
100 BLOSSOM ST, COX 3
BOSTON, MA 02114
Suffolk County (617) 726-8650
ANNE RYTHER
Nurse Practitioner
100 BLOSSOM ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
MS. KAREN MARIE GACICIA RN
Registered Nurse
100 BLOSSOM ST
BOSTON, MA 02114
Suffolk County (617) 726-2748

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George Canellos's NPI number?

The NPI number for George Canellos is 1114908027. It was assigned to this individual provider in the NPPES registry on November 8, 2005.

Where is George Canellos located?

George Canellos practices at 100 Blossom St Cox 460, Boston, MA 02114. The listed phone number is (617) 726-8314.

What is George Canellos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for George Canellos was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.