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EAST TENNESSEE RADIATION THERAPY
NPI 1679847917
Radiology - Radiation Oncology in Knoxville, TN

Active since March 05, 2012
1415 OLD WEISGARBER RD, SUITE 250, KNOXVILLE, TN 37909(865) 684-2613(865) 684-2611 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 16, 2025, Sep 19, 2024 (2 updates tracked since 2024).

About East Tennessee Radiation Therapy NPPES

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

EAST TENNESSEE RADIATION THERAPY (NPI 1679847917), doing business as Provision Radiation Therapy, is a healthcare organization registered as a radiation oncology in Knoxville, Tennessee and active in the NPI registry since March 2012. The organization lists Michael W Langenberg, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1679847917
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameEAST TENNESSEE RADIATION THERAPY
Location Address1415 OLD WEISGARBER RD, SUITE 250Knoxville, TN 37909-1327
Mailing AddressPo Box 11664Knoxville, TN 37939-1664 · (865) 584-7376 · Fax (865) 540-3856
Phone(865) 684-2613
Fax(865) 684-2611
Organization SubpartNo
Authorized OfficialMichael W LangenbergExecutive Director · (865) 584-7376
Enumeration DateMarch 5, 2012
Last NPPES UpdateJune 16, 20252 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1679847917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
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.
1415 OLD WEISGARBER RD, Knoxville, TN 37909
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Other Names 1

Doing Business AsProvision Radiation Therapy

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 16

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

SAJI EAPEN MD
Internal Medicine (Hematology & Oncology)
1415 OLD WEISGARBER RD, SUITE 200
KNOXVILLE, TN 37909
Knox County (865) 934-5800
TENNESSEE CANCER SPECIALISTS
Non-Pharmacy Dispensing Site
1415 OLD WEISGARBER RD, STE 200
KNOXVILLE, TN 37909
Knox County (865) 934-5800
ASSOCIATION OF UNIVERSITY RADIOLOGISTS, PC
Radiology (Diagnostic Radiology)
1415 OLD WEISGARBER RD, STE 100
KNOXVILLE, TN 37909
Knox County (865) 584-7376
ASSOCIATION OF UNIVERSITY RADIOLOGISTS, PC
Radiology (Diagnostic Radiology)
1415 OLD WEISGARBER RD, STE 120
KNOXVILLE, TN 37909
Knox County (865) 584-7376
BRENDA PITTMAN NICHOLSON MD
Internal Medicine (Hematology & Oncology)
1415 OLD WEISGARBER RD, SUTIE 200
KNOXVILLE, TN 37909
Knox County (865) 934-5800
MRS. TIFFANY JONES SIPE FNP-BC
Nurse Practitioner (Family)
1415 OLD WEISGARBER RD, SUITE 200
KNOXVILLE, TN 37909
Knox County (865) 934-5800
EAST TENNESSEE COMMUNITY OPEN MRI
Clinic/Center (Magnetic Resonance Imaging (MRI))
1415 OLD WEISGARBER RD, SUITE 150
KNOXVILLE, TN 37909
Knox County (865) 584-7376
AUR VENTURES, LLC
Radiology (Diagnostic Radiology)
1415 OLD WEISGARBER RD, STE 100
KNOXVILLE, TN 37909
Knox County (865) 990-9898

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 East Tennessee Radiation Therapy's NPI number?

The NPI number for East Tennessee Radiation Therapy is 1679847917. It was assigned to this organization in the NPPES registry on March 5, 2012. The provider is doing business as Provision Radiation Therapy.

Where is East Tennessee Radiation Therapy located?

East Tennessee Radiation Therapy is located at 1415 Old Weisgarber Rd Suite 250, Knoxville, TN 37909. The listed phone number is (865) 684-2613.

What is East Tennessee Radiation Therapy'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 East Tennessee Radiation Therapy was last updated on June 16, 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.