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

DR. ELLEN M KORNMEHL MD
NPI 1740270487
Radiology - Radiation Oncology in Boston, MA

Q: What is Ellen Kornmehl's NPI number?

The NPI number for Ellen Kornmehl is 1740270487. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Q: What is Ellen Kornmehl's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Ellen Kornmehl 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.

Active since October 25, 2005

100 BLOSSOM STREET COX 301, RADIATION ONCOLOFY, BOSTON, MA 02114(617) 726-6050(617) 726-3603 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Ellen M Kornmehl Md NPPES

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

DR. ELLEN M KORNMEHL MD (NPI 1740270487) is an individual radiation oncology provider in Boston, Massachusetts, licensed in Massachusetts (77524) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1740270487

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameDR. ELLEN M KORNMEHLCredential: MD

Location Address100 BLOSSOM STREET COX 301, RADIATION ONCOLOFYBoston, MA 02114-2617

Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(617) 726-6050

Fax(617) 726-3603

Sole ProprietorNo

Enumeration DateOctober 25, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1740270487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in MA · 77524

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

100 BLOSSOM STREET COX 301, Boston, MA 02114

Open in Google Maps ↗

Other Identifiers 3

OtherJ13779MA · Bcbs Ma

Medicaid3109241MA

Other077524MA · Tufts Health Plan

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 Ellen Kornmehl's NPI number?

The NPI number for Ellen Kornmehl is 1740270487. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Ellen Kornmehl located?

Ellen Kornmehl practices at 100 Blossom Street Cox 301 Radiation Oncolofy, Boston, MA 02114. The listed phone number is (617) 726-6050.

What is Ellen Kornmehl's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

When was this NPI record last updated?

The NPPES record for Ellen Kornmehl 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.