MS. THOMAS R COX III MD
NPI 1811930308
General Practice in Madisonville, TN
About Ms. Thomas R Cox Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. THOMAS R COX III MD (NPI 1811930308) is an individual general practice provider in Madisonville, Tennessee, licensed in Tennessee (09434) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Vonore, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1975).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Thomas R Cox Iii Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Thomas Cox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Madisonville, TN 37354
- Reassigned Medicare billing, Tennessee enrollment
- 17 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MADISONVILLE, TN 37354
MADISONVILLE, TN 37354
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 Thomas Cox's NPI number?
The NPI number for Thomas Cox is 1811930308. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is Thomas Cox located?
Thomas Cox practices at 4798 New Highway 68, Madisonville, TN 37354. The listed phone number is (423) 442-2622.
What is Thomas Cox's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Thomas Cox enrolled in Medicare?
Yes. Thomas Cox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Thomas Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Cox reassigns Medicare benefits to Chota Community Health Services (Madisonville, TN). The 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 Thomas Cox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Cox accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 5 other insurers list Thomas Cox 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 Thomas Cox was last updated on April 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ms. Thomas R Cox III, MD · NPI 1811930308
General Practice physician in Madisonville, Tennessee. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1811930308 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 09434 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 4798 NEW HIGHWAY 68, Madisonville, TN 37354-1287
- **Phone:** (423) 442-2622
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Chota Community Health Services (NPI 1043932700, Madisonville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 1975
## Record status
- **NPPES last updated:** April 10, 2021
- **Other identifiers:** Medicaid 3891186 (TN); Other 3039003 (TN); Medicaid 3811317 (TN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1811930308) · Data from the CMS NPPES public registry.