NPPES file of Aug 9, 2026

Gary Clinton Buchanan, D.D.S.

General Practice Dentistry · Trenton, TN

Gary Clinton Buchanan, D.D.S. is a general practice dentistry with a practice address in Trenton, Tennessee, and NPI 1437282019, issued on Mar 13, 2007. Check the license (Tennessee DS8378, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437282019
Name
Gary Clinton Buchanan
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DS8378 TN
Self-reported in NPPES; status is on the state search
Practice location
2066 US Highway 45 Byp S, Trenton, TN 38382
Phone
(731) 855-1053
Enumerated
Mar 13, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2066 US Highway 45 Byp S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kate Avery, DDSDentist1477075281
  2. Molly EdmondsonGeneral Practice Dentistry1740845734
  3. Caleb Gray, DDSDentist1225961261
  4. Mark Harper, D.D.S.General Practice Dentistry1740313154
  5. James Magee, DDSGeneral Practice Dentistry1508342452

Verify Gary Clinton Buchanan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license DS8378
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% more Medicare Part D claims than the average general practice dentistry in 2024

153 Medicare Part D claims for 90 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 58 claims were for opioids.

  1. Gary Buchanan153
  2. Specialty average83

Most prescribed

  1. Amoxicillin60 claims
  2. Hydrocodone-Acetaminophen50 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.

Industry payments in 2024: $61.38

3 payments; by number, the most common kind was food and beverage; the largest payer was Envista Holdings Corporation. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gary Buchanan$61.38
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Gary Clinton Buchanan among 2,023 general practice dentistry records in Tennessee

Gary Clinton Buchanan, D.D.S. is one of 2,023 general practice dentistry records with a practice address in Tennessee. 68% 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 40% of them.

  • NPI issued2007 · 40% of these records are older, 41% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 general practice dentistry records list a practice address in Trenton

They are 6 of the 112 NPPES records with a practice address in Trenton, and 2,023 general practice dentistry records in Tennessee.

The 8 general practice dentistry records with the nearest ZIP codes

  1. George Culbreath, DDSTrenton, TN 383821356365159
  2. Molly EdmondsonTrenton, TN 383821740845734
  3. Mark Harper, D.D.S.Trenton, TN 383821740313154
  4. James Magee, DDSTrenton, TN 383821508342452
  5. John Stovall, DDSTrenton, TN 383821609990126
  6. Ron Bell, D.D.S.Selmer, TN 383751467433094
  7. Jason Collier, DDSSelmer, TN 383751760667570
  8. Jackie McClain, D.D.S. , P.C.Selmer, TN 383751891881348

Common questions

What is Gary Clinton Buchanan, D.D.S.'s NPI number?

Gary Clinton Buchanan, D.D.S.'s National Provider Identifier (NPI) is 1437282019, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gary Clinton Buchanan, D.D.S. located?

The NPPES record lists a practice address at 2066 US Highway 45 Byp S, Trenton, TN, 38382. Phone: (731) 855-1053. Providers update this record themselves, so call before visiting.

How can I verify Gary Clinton Buchanan, D.D.S.'s license?

NPPES lists Tennessee license number DS8378, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Gary Clinton Buchanan, D.D.S. prescribe under Medicare Part D?

In 2024, Gary Clinton Buchanan, D.D.S. had 153 Medicare Part D claims for 90 beneficiaries; the average among general practice dentistry prescribers was 83. 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.