NPPES file of Aug 9, 2026

Duncan Campbell Johnson, D.M.D.

General Practice Dentistry · Louisville, KY

Duncan Campbell Johnson, D.M.D. is a general practice dentistry with a practice address in Louisville, Kentucky, and NPI 1669631776, issued on Jun 3, 2008. Check the license (Kentucky 8568, as entered in NPPES) with the Kentucky 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
1669631776
Name
Duncan Campbell Johnson
Credential
D.M.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
8568 KY
Self-reported in NPPES; status is on the state search
Practice location
1815 Bardstown RD, Louisville, KY 40205
Phone
(502) 459-4120
Enumerated
Jun 3, 2008
Record last updated
Jun 3, 2008 (not updated in 18 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 1815 Bardstown RD

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

  1. Jacquelyn NickeleOrthodontics and Dentofacial Orthopedics Dentistry1922418169
  2. Louis Williams, DDSGeneral Practice Dentistry1194612655

Verify Duncan Campbell Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
    Search for license 8568
    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 Kentucky license search

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76% fewer Medicare Part D claims than the average general practice dentistry in 2024

20 Medicare Part D claims for 12 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.

  1. Duncan Johnson20
  2. Specialty average83

Most prescribed

  1. Amoxicillin13 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.

Duncan Campbell Johnson among 1,590 general practice dentistry records in Kentucky

Duncan Campbell Johnson, D.M.D. is one of 1,590 general practice dentistry records with a practice address in Kentucky. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.

  • NPI issued2008 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2008 · 75% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

407 general practice dentistry records list a practice address in Louisville

They are 407 of the 21,891 NPPES records with a practice address in Louisville, and 1,590 general practice dentistry records in Kentucky.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jennifer Beavin, D.M.DLouisville, KY 402051568615292
  2. Robert Bohn, D.M.D.Louisville, KY 402051831230986
  3. Christopher Costello, D.M.D.Louisville, KY 402051093185001
  4. Patrick Finley, DMDLouisville, KY 402051023664646
  5. Laura Fizer, D.M.D.Louisville, KY 402051942627229
  6. Franklin Florence, D.M.D.Louisville, KY 402051558350165
  7. Timothy Lawrence, DMDLouisville, KY 402051326151986
  8. Michael Mathis, D.M.D.Louisville, KY 402051396847356

Common questions

What is Duncan Campbell Johnson, D.M.D.'s NPI number?

Duncan Campbell Johnson, D.M.D.'s National Provider Identifier (NPI) is 1669631776, issued on Jun 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Duncan Campbell Johnson, D.M.D. located?

The NPPES record lists a practice address at 1815 Bardstown RD, Louisville, KY, 40205. Phone: (502) 459-4120. Providers update this record themselves, so call before visiting.

How can I verify Duncan Campbell Johnson, D.M.D.'s license?

NPPES lists Kentucky license number 8568, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.

How much does Duncan Campbell Johnson, D.M.D. prescribe under Medicare Part D?

In 2024, Duncan Campbell Johnson, D.M.D. had 20 Medicare Part D claims for 12 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.