East Tennessee Radiation Therapy
NPI 1679847917 · Radiation Oncology Physician · Knoxville, TN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
East Tennessee Radiation Therapy is a Radiation Oncology Physician organization in Knoxville, TN (NPI 1679847917).
Provider details
- NPI number
- 1679847917
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Langenberg, Executive Director(865) 584-7376
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Provision Radiation Therapy
- Doing business as
- Provision Radiation Therapy
Registry dates
- Enumerated
- 2012-03-05
- Last updated
- 2025-06-16
- Certified
- 2025-06-16
Frequently asked questions
- What is East Tennessee Radiation Therapy's NPI number?
- East Tennessee Radiation Therapy's National Provider Identifier (NPI) is 1679847917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is East Tennessee Radiation Therapy?
- East Tennessee Radiation Therapy is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is East Tennessee Radiation Therapy located?
- East Tennessee Radiation Therapy's practice location on file with NPPES is 1415 Old Weisgarber Rd, Knoxville, TN 37909-1327.
- What is East Tennessee Radiation Therapy's phone number?
- The practice phone number listed in the NPPES registry for East Tennessee Radiation Therapy is (865) 684-2613.
- Does East Tennessee Radiation Therapy accept Medicare?
- East Tennessee Radiation Therapy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for East Tennessee Radiation Therapy?
- The authorized official listed on East Tennessee Radiation Therapy's NPPES record is Michael Langenberg, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is East Tennessee Radiation Therapy's NPI active?
- Yes — East Tennessee Radiation Therapy's NPI (1679847917) is active in the NPPES registry as of the last update on 2025-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.