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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GEOFFREY LIU MD
NPI 1215928452
Internal Medicine - Medical Oncology in Boston, MA

Active since November 04, 2005
55 FRUIT ST, YAW 7, BOSTON, MA 02114(617) 724-6862(617) 724-1135 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Geoffrey Liu Md NPPES

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

DR. GEOFFREY LIU MD (NPI 1215928452) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (155670) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1215928452
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. GEOFFREY LIUCredential: MD
Location Address55 FRUIT ST, YAW 7Boston, MA 02114-2621
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 724-6862
Fax(617) 724-1135
Sole ProprietorNo
Enumeration DateNovember 4, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1215928452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in MA · 155670
Definition
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.
55 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Other Identifiers 3

OtherJ23526MA · Bcbs Ma
Other155670MA · Tufts Health Plan
Medicaid0139751MA

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.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Geoffrey Liu's NPI number?

The NPI number for Geoffrey Liu is 1215928452. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Geoffrey Liu located?

Geoffrey Liu practices at 55 Fruit St Yaw 7, Boston, MA 02114. The listed phone number is (617) 724-6862.

What is Geoffrey Liu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Geoffrey Liu 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 35 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.