NPPES file of Aug 9, 2026

Derrick B. Gregory, D.M.D.

Dentist · Lebanon, TN

Derrick B. Gregory, D.M.D. is a dentist with a practice address in Lebanon, Tennessee, and NPI 1285994947, issued on May 29, 2012. Check the license (Tennessee DS0000009457, 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
1285994947
Name
Derrick B. Gregory
Credential
D.M.D.
Primary taxonomy
Dentist 122300000X
License number
DS0000009457 TN
Self-reported in NPPES; status is on the state search
Practice location
1430 W Baddour Pkwy, Lebanon, TN 37087
Phone
(615) 444-0322
Enumerated
May 29, 2012
Record last updated
May 29, 2012 (not updated in 14 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 1430 W Baddour Pkwy

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

  1. John Boucher, P.T.Physical Therapist1457371718
  2. Heather Dooley, AU.D, CCC-AAudiologist1225159692
  3. Ashley Hall, APNAdult Health Nurse Practitioner1366733396
  4. Keely Metzger, P.A.Physician Assistant1063487551
  5. Wayne Wells, M.D.Family Medicine Physician1780685743

Verify Derrick B. Gregory 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 DS0000009457
    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

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2.2 times the Medicare Part D claims of the average dentist in 2024

192 Medicare Part D claims for 127 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Derrick Gregory192
  2. Specialty average86

Most prescribed

  1. Amoxicillin80 claims
  2. Chlorhexidine Gluconate29 claims
  3. Methylprednisolone25 claims
  4. Hydrocodone-Acetaminophen16 claims
  5. Clindamycin Hcl15 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: $348.23

4 payments; by number, the most common kind was food and beverage; the largest payer was A-dec, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Derrick Gregory$348.23
  2. Specialty average$540.36

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

13 dentist records list a practice address in Lebanon

They are 13 of the 780 NPPES records with a practice address in Lebanon, and 1,525 dentist records in Tennessee.

Other dentist records in Tennessee

  1. Diane Abbey, DDSMemphis, TN1104154145
  2. Larry Abbott, D.D.S.Etowah, TN1649335670
  3. Dalal Abdulkarim, DDSCordova, TN1932082815
  4. Moulton Abernathy, D.D.S.Parsons, TN1710008032
  5. Loay Abuzahra, DMDMurfreesboro, TN1851217335
  6. Jennifer Adair, D.M.D.Memphis, TN1295039857
  7. John Adams, DMDSpring Hill, TN1548830987
  8. Erica Adderly, D.D.SGoodlettsville, TN1992135131
  9. Jacinda AddingtonBristol, TN1578496006
  10. Benjamin Addison, DDSArlington, TN1548831928

Common questions

What is Derrick B. Gregory, D.M.D.'s NPI number?

Derrick B. Gregory, D.M.D.'s National Provider Identifier (NPI) is 1285994947, issued on May 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Derrick B. Gregory, D.M.D. located?

The NPPES record lists a practice address at 1430 W Baddour Pkwy, Lebanon, TN, 37087. Phone: (615) 444-0322. Providers update this record themselves, so call before visiting.

How can I verify Derrick B. Gregory, D.M.D.'s license?

NPPES lists Tennessee license number DS0000009457, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Derrick B. Gregory, D.M.D. prescribe under Medicare Part D?

In 2024, Derrick B. Gregory, D.M.D. had 192 Medicare Part D claims for 127 beneficiaries; the average among dentist prescribers was 86. 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.