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WILLIAM CHUN HAHN MD PHD
NPI 1457313652
Internal Medicine - Medical Oncology in Boston, MA

Active since April 04, 2006
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE, BOSTON, MA 02215(617) 632-2641(617) 632-4005 Get Directions Write a Review

NPPES record last updated: November 13, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Chun Hahn Md Phd NPPES

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

WILLIAM CHUN HAHN MD PHD (NPI 1457313652) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (150494) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1457313652
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameWILLIAM CHUN HAHNCredential: MD PHD
Location Address450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTEBoston, MA 02215-5418
Mailing Address450 Brookline Ave, Dana-farber Cancer InstituteBoston, MA 02215-5418 · (617) 632-2641 · Fax (617) 632-4005
Phone(617) 632-2641
Fax(617) 632-4005
Sole ProprietorNo
Enumeration DateApril 4, 2006
Last NPPES UpdateNovember 13, 2011
✔ NPI 1457313652 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 · 150494
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
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Other Identifiers 11

Other2938104Aetna Us Healthcare
Other43532Fallon Community Health P
Other900002593Rr Medicare Binney Med
Other2972574Cigna
Medicaid3165221MA
OtherG45978DFHphc Dfci Only
Medicare ID-Type UnspecifiedA29644
Other3000502United Health Care
Other150494Tufts
OtherJ17650MA · Blue Cross Blue Shield
Medicare UPING45978

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.

PRABHSIMRANJOT SINGH MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-7956
SHAWN MAGUIRE PA-C
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-8487
KARINA FRANCA
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-2285
DR. SUZANNE JAQUETH FORREST M.D.
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3270
LAUREN KIRITSY MSW, LCSW
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-3448
OFIR WOLAJ MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Suffolk County (617) 632-6139
JASON BATALHA AGPCNP-BC
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-6140
FATIMA EMRAN AMIR MS, LGC
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3729

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 William Hahn's NPI number?

The NPI number for William Hahn is 1457313652. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is William Hahn located?

William Hahn practices at 450 Brookline Ave Dana-Farber Cancer Institute, Boston, MA 02215. The listed phone number is (617) 632-2641.

What is William Hahn'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 William Hahn was last updated on November 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.