DR. KOJI HARATANI MD.PHD.
NPI 1366236408
Internal Medicine - Medical Oncology in Boston, MA

Active since April 05, 2025
450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-3000 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 27, 2025, Apr 5, 2025 (2 updates tracked since 2025).

About Dr. Koji Haratani Md.phd. NPPES

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

DR. KOJI HARATANI MD.PHD. (NPI 1366236408) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (3018127) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1366236408
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. KOJI HARATANICredential: MD.PHD.
Location Address450 BROOKLINE AVEBoston, MA 02215-5450
Mailing Address450 Brookline AveBoston, MA 02215-5450 · (617) 217-1362
Sole ProprietorNo
Enumeration DateApril 5, 2025
Last NPPES UpdateMay 27, 20252 updates tracked since enumeration
NPPES CertifiedMay 27, 2025
NPI 1366236408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in MA · 3018127
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.
450 BROOKLINE AVE, Boston, MA 02215

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.

Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215

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 Koji Haratani's NPI number?

The NPI number for Koji Haratani is 1366236408. It was assigned to this individual provider in the NPPES registry on April 5, 2025.

Where is Koji Haratani located?

Koji Haratani practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-3000.

What is Koji Haratani'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 Koji Haratani was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.