NPPES file of Aug 9, 2026

Lee J. Cowles, D.M.D.

General Practice Dentistry · Portland, OR

Lee J. Cowles, D.M.D. is a general practice dentistry with a practice address in Portland, Oregon, and NPI 1114936267, issued on Aug 7, 2006. Check the license (Oregon 6353, as entered in NPPES) with the Oregon 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
1114936267
Name
Lee J. Cowles
Credential
D.M.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
6353 OR
Self-reported in NPPES; status is on the state search
Practice location
4707 NE 102ND Ave., Portland, OR 97220
Phone
(503) 255-1506
Enumerated
Aug 7, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(503) 255-7059
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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Verify Lee J. Cowles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 6353
    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
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58% fewer Medicare Part D claims than the average general practice dentistry in 2024

35 Medicare Part D claims for 16 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Lee Cowles35
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate11 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: $22.45

1 payment: food and beverage; the largest payer was Peter Brasseler Holdings, LLC. 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. Lee Cowles$22.45
  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.

General Practice Dentistry providers in Oregon

There are 1,888 general practice dentistry records in Oregon.

Other general practice dentistry records in Oregon

  1. Benjamin Aanderud, DMDSherwood, OR1366443574
  2. Steven Abbott, DMDVeneta, OR1417918780
  3. Ruth Abraham, DDSKeizer, OR1356449599
  4. Jesse AchatzWilsonville, OR1730661794
  5. Dennis Adair, D.M.D.Gladstone, OR1215235148
  6. Anthony Adams, D.M.DAloha, OR1295129104
  7. Brannick Adams, D.D.S.Roseburg, OR1376577700
  8. Lisa Adams, DMDBend, OR1952308017
  9. Nima AfsariMedford, OR1447669171
  10. Darioush AfsharSalem, OR1306226782

Common questions

What is Lee J. Cowles, D.M.D.'s NPI number?

Lee J. Cowles, D.M.D.'s National Provider Identifier (NPI) is 1114936267, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lee J. Cowles, D.M.D. located?

The NPPES record lists a practice address at 4707 NE 102ND Ave., Portland, OR, 97220. Phone: (503) 255-1506. Providers update this record themselves, so call before visiting.

How can I verify Lee J. Cowles, D.M.D.'s license?

NPPES lists Oregon license number 6353, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Lee J. Cowles, D.M.D. prescribe under Medicare Part D?

In 2024, Lee J. Cowles, D.M.D. had 35 Medicare Part D claims for 16 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.