THOMPSON ONCOLOGY GROUP
NPI 1619975737
Internal Medicine - Hematology & Oncology in Knoxville, TN
About Thompson Oncology Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMPSON ONCOLOGY GROUP (NPI 1619975737), doing business as Dba Covenant Health Oncology Group, is a healthcare organization registered as a hematology & oncology in Knoxville, Tennessee and active in the NPI registry since July 2005. The organization holds a CLIA Certificate of Compliance certificate valid through August 4, 2027 and lists Mitzi Anderson, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Thompson Oncology Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
138Medicare enrollment records show 138 clinicians reassign Medicare billing to Thompson Oncology Group, which bills Medicare for the services they deliver. Of these, 36 practice at this address and 51 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 138Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 44D1006416
Thompson Oncology Group Dba Covenant Health Oncology Group · Knoxville, TNFrequently 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 Thompson Oncology Group's NPI number?
The NPI number for Thompson Oncology Group is 1619975737. It was assigned to this organization in the NPPES registry on July 12, 2005. The provider is doing business as DBA Covenant Health Oncology Group.
Where is Thompson Oncology Group located?
Thompson Oncology Group is located at 1915 White Ave, Knoxville, TN 37916. The listed phone number is (865) 541-1720.
What is Thompson Oncology Group's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Thompson Oncology Group enrolled in Medicare?
Yes. Thompson Oncology Group is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Thompson Oncology Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 138 clinicians in 8 Medicare specialties reassign their Medicare billing to Thompson Oncology Group. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (68), Hematology/Oncology (43) and Medical Oncology (13). Of these, 36 practice at this address and 51 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Thompson Oncology Group hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 44D1006416) is associated with this NPI, valid through August 4, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Thompson Oncology Group accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Thompson Oncology Group as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Thompson Oncology Group was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Thompson Oncology Group · NPI 1619975737
Hematology & Oncology organization in Knoxville, Tennessee. Organization record, active in the CMS NPPES registry since July 12, 2005.
## Identity
- **NPI:** 1619975737 (Entity type: Organization)
- **Enumerated:** July 12, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Also known as:** DBA Covenant Health Oncology Group (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Mitzi Anderson, CFO
## Practice location
- **Address:** 1915 WHITE AVE, Knoxville, TN 37916-2300
- **Phone:** (865) 541-1720 · **Fax:** (865) 541-2451
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 138 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (68), Hematology/Oncology (43), Medical Oncology (13); 36 practice at this address and 51 within 10 miles; [full list](https://npiprofile.com/npi/1619975737/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 5, 2026
- **Other identifiers:** Medicaid 3708228 (TN)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1619975737) · Data from the CMS NPPES public registry.