Gregory Thomas, DDS
Public Health Dentistry · Knoxville, TN
Gregory Thomas, DDS is a public health dentistry with a practice address in Knoxville, Tennessee, and NPI 1992850770, issued on Jan 24, 2007. Check the license (Tennessee 7143, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Thomas
- Credential
- DDS
- Primary taxonomy
- Public Health Dentistry 1223D0001X
- License number
- 7143 TN
Self-reported in NPPES; status is on the state search - Practice location
- 140 Dameron Ave, Knoxville, TN 37917
- Phone
- (865) 215-5115
- Enumerated
- Jan 24, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest public health dentistry records → All 34 in Tennessee → Look up another NPI →
Also registered at 140 Dameron Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah AdamsCase Manager/Care Coordinator1265980064
- Terri Agh, DPHPharmacist1598858847
- Jennifer Anders, NPWomen's Health Nurse Practitioner1982689329
- Shanthi Appelo, RDRegistered Dietitian1508399429
- Lisa Blahnik, RNRegistered Nurse1689127250
- Tracie Blankenship, RNCommunity Health Registered Nurse1144720095
Verify Gregory Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 7143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average public health dentistry in 2024
23 Medicare Part D claims for 19 beneficiaries, against an average of 72 among the 375 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gregory Thomas among 34 public health dentistry records in Tennessee
Gregory Thomas, DDS is one of 34 public health dentistry records with a practice address in Tennessee. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 38% newer
- In a Medicare fileYes · 38% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223D0001X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Public Health Dentistry providers in Tennessee
There are 34 public health dentistry records in Tennessee.
All 34 in Tennessee → Every provider in Knoxville → Public Health Dentistry nationwide →
The 8 public health dentistry records with the nearest ZIP codes
- Lacy Hudson, D.D.S.Knoxville, TN 379171811259914
- Steven Keeton, DDSKnoxville, TN 379171073516902
- Carl Todoro, D.D.S.Knoxville, TN 379171053571927
- Michael Garrett, DDSKnoxville, TN 379201760470850
- Larman Sprouse, DDS, MPHKnoxville, TN 379201174680326
- Nickita Zaveri, DMDKnoxville, TN 379231538540885
- Samuel Thomas, DDSSeymour, TN 378651295345270
- Benjamin Birdwell, D.D.SMorristown, TN 378141740369545
Common questions
What is Gregory Thomas, DDS's NPI number?
Gregory Thomas, DDS's National Provider Identifier (NPI) is 1992850770, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Thomas, DDS located?
The NPPES record lists a practice address at 140 Dameron Ave, Knoxville, TN, 37917. Phone: (865) 215-5115. Providers update this record themselves, so call before visiting.
How can I verify Gregory Thomas, DDS's license?
NPPES lists Tennessee license number 7143, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Thomas, DDS prescribe under Medicare Part D?
In 2024, Gregory Thomas, DDS had 23 Medicare Part D claims for 19 beneficiaries; the average among public health dentistry prescribers was 72. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.